Professional Activities
1.Session Chair, IEEE International Conference on Information Technology, Research and Education, 2003.
2.Technical Committee member, IEEE International Symposium on Multiple-Valued Logic, 2004.
3.Exhibit co-chair, IEEE International Conference on Image Processing, 2004.
4.Technical Program Committee (TPC) Member, IEEE International Conference on Multimedia & Expo, 2004.
5.Technical Reviewer Committee, Young Scientist Award, 2004.
6.Session Chair, IEEE International Symposium on Circuits & Systems, 2004.
7.Session Chair, IEEE International Conference on Multimedia & Expo, 2004.
8.Technical Committee Member, Visual Signal Processing & Communication, IEEE International Symposium on Circuits & Systems, 2005.
9.Technical Committee Member, Circuits & Systems for Communications, IEEE International Symposium on Circuits & Systems, 2005.
10.Technical Committee Member, Multimedia Systems and Applications, IEEE International Symposium on Circuits & Systems, 2005.
11.Session Chair, IEEE International Symposium on Circuits & Systems, 2005.
12.Award Chair, IEEE International Conference on Information Technology, Research and Education, 2005.
13.Technical Program Committee, International Workshop on Multimedia Signal Processing, 2005.
14.Technical Committee Member, Visual Signal Processing & Communication, IEEE International Symposium on Circuits & Systems, 2005.
15.Committee Member, IEEE Signal Processing Society, Chapter Committee, 2005 – Current.
16.Honorary Chair, ISCSLP 2005, the 5th International Symposium on Chinese Spoken Language Processing
17.Technical Reviewer Committee, Young Scientist Award, 2005.
18.Technical Program Committee, 1st Int. Workshop on Video Processing and Quality Metrics for Consumer Electronics, Scottsdale, Arizona, USA, 2006.
19.Conference Chair, SPIE OpticsEast Symposium, Multimedia Systems and Applications, 2006.
20.Session Chair, SPIE OpticsEast Symposium, Multimedia Systems and Applications, 2006.
21.Technical Program Committee, IEEE International Conference on Information Technology, Research and Education, 2006.
22.Award Chair, IEEE International Conference on Information Technology, Research and Education, 2006.
23.Symposium co-chair, IEEE International Symposium on Multiple-Valued Logic, 2006.
24.Technical Committee Member, Visual Signal Processing & Communication, IEEE International Symposium on Circuits & Systems, 2006.
25.Technical Committee Member, Circuits & Systems for Communications, IEEE International Symposium on Circuits & Systems, 2006.
26.Technical Committee Member, Multimedia Systems and Applications, IEEE International Symposium on Circuits & Systems, 2006.
27.Technical Committee Member, 4th ICCCAS International Conference on Communications, Circuits and Systems, Guilin, China, 2006.
28.Technical Reviewer Committee, Young Scientist Award, 2006.
29.Chair, Mobile Media TSRP, Science Engineering Research Council, A*STAR, 2006.
30.Conference Chair, SPIE OpticsEast Symposium, Multimedia Systems and Applications, 2007.
31.Session Chair, SPIE OpticsEast Symposium, Multimedia Systems and Applications, 2007.
32.Council Member National IT Standard Committee (ITSC 6th Term), 1st April 2004 – 31st March 2007.
33.Technical Program Committee, 2nd Int. Workshop on Video Processing and Quality Metrics for Consumer Electronics, Scottsdale, Arizona, USA, 2007.
34.International Advisory Committee, 2nd IEEE Conference on Industrial Electronics and Applications, Harbin, China, 23-25 May 2007.
35.Technical Program Committee, 1st IMMERSCOM conference, Italy, 2007.
36.Council Member, National IT Standard Committee (ITSC 7th Term), 1st April 2007 – 31st March 2010.
37.Program Committee member, 1st IEEE International Conference on Semantic Computing, September 2007.
38.Technical Committee Member, Visual Signal Processing & Communication, IEEE International Symposium on Circuits & Systems, 2007.
39.Technical Committee Member, Circuits & Systems for Communications, IEEE International Symposium on Circuits & Systems, 2007.
40.Technical Committee Member, Multimedia Systems and Applications, IEEE International Symposium on Circuits & Systems, 2007.
41.Track Chair, IEEE International Conference on Multimedia & Expo, 2007.
42.Session Chair, IEEE International Conference on Multimedia & Expo, 2007.
43.Technical Program Co-Chair, IEEE International Conference on Multimedia & Expo, June 2008.
44.Keynote Address Chair, IEEE International Conference on Multimedia & Expo, June 2008.
45.Session Chair, IEEE International Conference on Multimedia & Expo, June 2008.
46.Government and Industry Advisor, 1st ACM SIGGRAPH ASIA 2008, December 2008.
47.General Chair, ACM SIGGRAPH International Conference on Virtual Reality Continuum and its Applications in Industry, December 2008.
48.International Advisory Committee, 3rd IEEE Conference on Industrial Electronics and Applications, Singapore, 3-5 June 2008.
49.Advisory Committee, IEEE International Symposium on Recent Advances in Communications Engineering, RACE-08, December 2008.
50.Panel member, Science & Technology Plan 2015 and Science & Technology Value Creation 2015, Agency for Science Technology & Research, 2008. 
51.Technical Committee Member, Visual Signal Processing & Communication, IEEE International Symposium on Circuits & Systems, 2008.
52.Technical Committee Member, Circuits & Systems for Communications, IEEE International Symposium on Circuits & Systems, 2008.
53.Executive Committee member, Singapore Sweden Interactive Media Workshop, 15-16 September 2008.
54.President, ACM SIGGRAPH Singapore Chapter, 2009 – 2015.
55.International Advisory Committee, 4th IEEE Conference on Industrial Electronics and Applications, Xi’an China, 27-29 May 2009.
56.Technical Program Committee, 4th Int. Workshop on Video Processing and Quality Metrics for Consumer Electronics, 2009.
57.Evaluator Committee, Singapore Computer Society, IT Youth Award, 2009.
58.Review Committee member, Multimedia Coding & Segmentation, Track of Multimedia Systems and Applications, IEEE International Symposium on Circuits & Systems, 2009.
59.Review Committee member, Circuits and System for Communications (CASCOM), IEEE International Symposium on Circuits & Systems2009.
60.Publicity co-chair, 1st Asia Pacific Signal and Information Processing Association Annual Submit and Conference, 2009.
61.Technical Committee Member, Visual Signal Processing & Communication, IEEE International Symposium on Circuits & Systems, 2009.
62.Technical Committee Member, Circuits & Systems for Communications, IEEE International Symposium on Circuits & Systems, 2009.
63.Workshop Co-Chair, IEEE International Conference on Multimedia & Expo, New York City, 2009.
64.General Chair, 2nd Asia Pacific Signal and Information Processing Association Annual Submit and Conference, Singapore, December 14-17, 2010.
65.Board of Governor, Members-at-Large, Asia Pacific Signal and Information Processing Association, September 2009 – Current. http://www.apsipa.org/committees.htm 
66.Technical  Program Committee Member, Visual Communications and Image Processing 2010, July 2010
67.Review Committee Member, Circuits and Systems for Communications, IEEE International Symposium on Circuits & Systems 2010.
68.Review Committee Member, International Conference on Green Circuits and Systems, 2010. 
69.Special Session Chair, International Conference on Green Circuits and Systems, 2010.
70.International Advisory Committee, 5th IEEE Conference on Industrial Electronics and Applications, 15-17 June 2010.
71.Technical Committee Member, Visual Signal Processing & Communication, IEEE International Symposium on Circuits & Systems, 2010.
72.Technical Committee Member, Circuits & Systems for Communications, IEEE International Symposium on Circuits & Systems, 2010.
73.Technical Program Committee Member, IEEE International Workshop on Multimedia Signal Processing, Saint-Malo, France, 4-6 October 2010.
74.Member, Management Board, Interactive Digital Media Institute, National University of Singapore, August 2010 – July 2012.
75.Scientific Advisor, Faculty of Computer Science, Prince of Songkla University, Thailand, Oct 2010 – Current.
76.Review Committee Member, Circuits and Systems for Communications, IEEE International Symposium on Circuits & Systems, 2011.
77.International Advisory Committee, 6th IEEE Conference on Industrial Electronics and Applications, Beijing, China, 21-23 June 2011.
78.Technical Committee Member, Visual Signal Processing & Communication, IEEE International Symposium on Circuits & Systems, 2011.
79.Technical Committee Member, Circuits & Systems for Communications, IEEE International Symposium on Circuits & Systems, 2011.
80.Technical Program Committee Member, 13th International Workshop on Multimedia Signal Processing (MMSP 2011), Hangzhou, China, October 2011. 
81.External Reviewer, Research Grants Council, University Grant Committee, Hong Kong, China, 2011.
82.Technical Committee Member, Speech, Language and Audio TC, Asia Pacific Signal and Information Processing Association (APSIPA), 2011.
83.International Program Committee Member, 10th International Conference on Virtual Reality Continuum and Its Applications in Industry (VRCAI 2011), Hong Kong, China, Dec 2011.
84.International Advisory Committee, 7th IEEE Conference on Industrial Electronics and Applications, Singapore, 18-20 July 2012.
85.General Chair, 5th ACM SIGGRAPH ASIA 2012, Singapore, Nov 2012.
86.Conference Advisory Board, Asia Pacific Signal and Information Processing Association (APSIPA), 2012.
87.External Reviewer, Research Grants Council, University Grant Committee, Hong Kong, China, 2012.
88.Technical Committee Member, Speech, Language and Audio TC, Asia Pacific Signal and Information Processing Association (APSIPA), 2012.
89.Steering Committee Board Member, ACM SIGGRAPH ASIA, 2012 - 2015.
90.Board Member, ACM SIGGRAPH ASIA Conference Advisory Group (SACAG), 2012 – 2015.
91.International Advisory Committee, 8th IEEE Conference on Industrial Electronics and Applications, June 2013.
92.International Program Committee Member, 11th International Conference on Virtual Reality Continuum and Its Applications in Industry (VRCAI 2012), Singapore, Nov 2012.
93.Session Chair, 5th ACM SIGGRAPH ASIA 2012 keynote.
94.Technical Committee Member, Speech, Language and Audio TC, Asia Pacific Signal and Information Processing Association (APSIPA), 2013.
95.Advisory Co-Chair, ACM IMCOM 2013, the 7th International Conference on Ubiquitous Information Management and Communication, 17-19 Jan 2013, Kota Kinabalu, Malaysia.
96.External Reviewer, Research Grants Council, University Grant Committee, Hong Kong, China, 2013.
97.Technical Committee Member, Circuits and Systems for Communications (CASCOM), 2014.
98.Technical Committee Member, Multimedia Systems and Applications (MSA), 2014.
99.Advisory Co-Chair, ACM IMCOM 2014, the 8th International Conference on Ubiquitous Information Management and Communication, 9-11 Jan 2014, Siem Reap, Cambodia.
100. Technical Track Chair, IEEE China Summit and International Conference on Signal and Information Processing (ChinaSIP), Xi’an, China, July 9-13, 2014. 
101. Advisory Co-Chair, ACM IMCOM 2015, the 9th International Conference on Ubiquitous Information Management and Communication, 8-10 Jan 2015, Bali, Indonesia.
102. Technical Committee Member, Circuits and Systems for Communications (CASCOM), 2015.
103. Technical Committee Member, Multimedia Systems and Applications (MSA), 2015.
104. Expert Review Panel, Chang Jiang Scholars Program, Ministry of Education, People’s Republic of China, 2015.
105. Advisory Co-Chair, ACM IMCOM 2016, the 10th International Conference on Ubiquitous Information Management and Communication, 4-6 Jan 2016, Danang, Vietnam.
106. Technical Track Chair, IEEE International Symposium on Circuits and Systems, Montreal, Canada, May 22-25, 2016.
107. Session Chair, Image Quality C2L-D, IEEE International Symposium on Circuits and Systems, Montreal, Canada, May 25, 2016.
108. Session Chair, Multimedia II, IEEE International Symposium on Circuits and Systems, Montreal, Canada, May 24, 2016.
109. Technical Committee Member, Circuits and Systems for Communications (CASCOM), 2016.
110. Technical Committee Member, Multimedia Systems and Applications (MSA), 2016.
111. Expert Review Panel, Chang Jiang Scholars Program, Ministry of Education, People’s Republic of China, 2016.
112. Expert Review Panel, Youth Thousand Talent Plan, People’s Republic of China, 2016.
113. Advisory Co-Chair, ACM IMCOM 2017, the 11th International Conference on Ubiquitous Information Management and Communication, 5-7 Jan 2017, Beppu, Japan
114. International Committee, 42nd IEEE International Conference on Acoustic, Speech and Signal Processing, New Orleans, 5-9 March, 2017.
115. Associate Editor, IEEE Transactions on Multimedia, 2017.
116. Review Committee Member, IEEE International Symposium on Circuits and Systems, Baltimore, MD, USA, May 28-31, 2017.
117. Session Chair, Signal Processing for Interaction & Augmented Reality B5P-T, IEEE International Symposium on Circuits and Systems, Baltimore, MD, USA, May 30, 2017.
118. Technical Committee Member, Circuits and Systems for Communications (CASCOM), 2017.
119. Technical Committee Member, Multimedia Systems and Applications (MSA), 2017.
120. Asia Liaison, IEEE International Conference on Multimedia Expo, Hong Kong, 10-14 July 2017.
121. General Co-Chair, Ubi-Media, the 10th International Conference on Ubi-Media Computing and Workshops, August 1-4, 2017, Pattaya, Thailand.
122. Expert Review Panel, Chang Jiang Scholars Program, Ministry of Education, People’s Republic of China, 2017.
123. Expert Review Panel, Youth Thousand Talent Plan, People’s Republic of China, 2017.
124. Advisory Co-Chair, ACM IMCOM 2018, the 12th International Conference on Ubiquitous Information Management and Communication, Jan 5-7, 2018, Langkawi, Malaysia.
125. Review Committee Member, IEEE International Symposium on Circuits and Systems, Florence, Italy, May 27-30, 2018.
126. Session Chair, Lecture, Computing Architecture for Multimedia Content Analysis, B3L-A, V.V.G.5, 29 May 2018, 10:15-11:45am, IEEE International Symposium on Circuits and Systems, Florence, Italy, May 27-30, 2018.
127. General Co-Chair, Ubi-Media, the 11th International Conference on Ubi-Media Computing, August 22-25, 2018, Nanjing, China.
128. General Co-Chair, Asia Pacific Signal and Information Processing Association (APSIPA), Hawaii, USA, Nov 2018.
129. Expert Review Panel, Youth Thousand Talent Plan, People’s Republic of China, 2018.
130. Board of Governor, Asia Pacific Signal and Information Processing Association (APSIPA), Jan 2018 – Dec 2019.
131. Conference Board member, Asia Pacific Signal and Information Processing Association (APSIPA), 2018
132. Advisory Co-Chair, ACM IMCOM 2019, the 13th International Conference on Ubiquitous Information Management and Communication, Jan 4-6, 2019, Phuket, Thailand.
133. Review Committee Member, IEEE International Symposium on Circuits and Systems, Sapporo, Japan, May 26-29, 2019.
134. General Co-Chair, Ubi-Media, the 12th International Conference on Ubi-Media Computing, Bali, Indonesia.

International Standards 
1. R. Yu, X. Lin and S. Rahardja, “Advanced Audio Zip – A Scalable Perceptual and Lossless Audio Codec”, ISO/IEC JTC1/SC29/WG11, M9134, Awaji, Japan, Dec 2002.
2. R. Yu, X. Lin and S. Rahardja, “Improvements for Proposed Lossless Audio Codec”, ISO/IEC JTC1/SC29/WG11, MPEG2002/M9600, Pattaya, Thailand, Mar 2003.
3. F. Pan, X. Lin, S. Rahardja, K. P. Lim, Z. G. Li, G. N. Feng, D. J. Wu and S. Wu, “Fast Mode Decision Algorithm for JVT INTRA Prediction”, ISO-IEC/JTC1/SC29/WG11/JVT-G013, 7th JVT Meeting, Pattaya, Thailand, Mar 2003.
4. Z.G. Li F. Pan, K.P. Lim, G.N. Feng, X. Lin and S. Rahardja, “Adaptive basic unit layer rate control for JVT”, ISO-IEC/JTC1/SC29/WG11/JVT-G012, 7th JVT Meeting, Pattaya, Thailand, Mar 2003.
5. Z.G. Li, W. Gao, F. Pan, S. W. Ma, G.N. Feng, K.P. Lim, X. Lin, S. Rahardja and H.Q. Lu, “Adaptive Rate Control with HRD Consideration”, ISO-IEC/JTC1/SC29/WG11/JVT-H014, 8th JVT Meeting, Geneva, Switzerland, May 2003.
6. K.P. Lim, S. Wu, D.J. Wu, S. Rahardja, X. Lin, F. Pan and Z.G. Li, “Fast Intermode Decision”, ISOIEC/JTC1/SC29/WG11/JVT-I020, 9th JVT Meeting, California, USA, Sep 2003.
7. R. Yu, X. Lin, S. Rahardja and H. Huang, “Technical Description of I2R’s Proposal for MPEG-4 Scalable Lossless Coding (SLS): Advanced Audio Zip (AAZ)”, ISO/IEC JTC1/SC29/WG11, MPEG2003/M10135, Brisbane, Australia, Oct 2003.
8. R. Yu, X. Lin, S. Rahardja and H. Huang, “Proposed Core Experiment for improving coding efficiency in MPEG-4 audio scalable coding (SLS)”, ISO/IEC JTC1/SC29/WG11, MPEG2003/M10136, Brisbane, Australia, Oct 2003.
9. R. Yu, X. Lin, S. Rahardja and H. Huang, “Proposal of Bit-Stream Syntax Revision for MPEG-4 Audio Scalable Lossless Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2003/M10361, Hawaii, USA, Dec 2003.
10. R. Yu, X. Lin, S. Rahardja and H. Huang, “Verification Report for MPEG-4 SLS Core Experiment 2 - Improving Coding Efficiency”, ISO/IEC JTC1/SC29/WG11, MPEG2003/M10362, Hawaii, USA, Dec 2003.
11. R. Yu, X. Lin, S. Rahardja and H. Huang, “Proposed WD2 of ISO/IEC 14496-3:2001/AMD 5, Audio Scalable Lossless Coding (SLS)”, ISO/IEC JTC1/SC29/WG11, MPEG2003/M10682, Munich, Germany, Mar 2004.
12. R. Yu, X. Lin, S. Rahardja and H. Huang, “Proposed Core Experiment for improving coding efficiency in MPEG-4 audio scalable coding (SLS)”, ISO/IEC JTC1/SC29/WG11, MPEG2003/M10683, Munich, Germany, Mar 2004.
13. R. Yu, X. Lin, S. Rahardja and H. Huang, “Proposed WD3 of ISO/IEC 14496-3:2001/AMD 5, Audio Scalable Lossless Coding (SLS)”, ISO/IEC JTC1/SC29/WG11, MPEG2004/M11058, Redmond, USA, Jul 2004.
14. R. Yu, S. Rahardja, X. Lin and H. Huang, “Reduce Complexity for MPEG-4 Audio Scalable Lossless (SLS) Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2004/M11062, Redmond, USA, Jul 2004.
15. Z.G. Li, X.K. Yang, K.P. Lim, X. Lin, S. Rahardja, and F. Pan, “Customer Oriented Scalable Video Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2004/M11187, Palme de Mallorca, Spain, Oct 2004.
16. R. Yu, X. Lin, S. Rahardja and H. Huang, “Proposed WD changes for Lazy Coding for MPEG-4 Audio Scalable Lossless (SLS) Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2004/M11377, Palma de Mallorca, Spain, Oct 2004.
17. R. Yu, S. Rahardja, X. Lin and H. Huang, “Proposed Changes for ISO/IEC 14496-3/PDAM 5 Scalable Lossless Coding (SLS)”, ISO/IEC JTC1/SC29/WG11, MPEG2004/M11379, Palma de Mallorca, Spain, Oct 2004.
18. D. Huang, R. Yu, X. Lin, H. Huang and S. Rahardja, “Proposal for Lossless Audio Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2004/M11382, Palma de Mallorca, Spain, Oct 2004.
19. Z.G. Li, S. Rahardja, X. Lin, K.P. Lim and W. Yao, “New Coding Modes for Scalable Video Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2004/M11511, Hong Kong, China, Jan 2005.
20. Z.G. Li, K.P. Lim, X. Lin and S. Rahardja, “Customer Oriented Low Delay Scalable Video Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2004/M11544, Hong Kong, China, Jan 2005.
21. R. Yu, X. Lin and S. Rahardja, “Proposed Bitstream Revision for MPEG-4 SLS (DRAFT)”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M11632, HongKong, China, Jan 2005.
22. R. Yu, R. Geiger, S. Rahardja and X. Lin, “Updated N6794, Status of Performance and Complexity of Lossless Audio Coding Architectures”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M11633, HongKong, CN, Jan 2005.
23. H. Huang, D. Huang, W. Choo, R. Yu, X. Lin and S. Rahardja, “Additional Information for Lossless Audio Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M11634, HongKong, China, Jan 2005.
24. Z.K. Lu, W.S. Lim, Z.G. Li, K.P. Lim, X. Lin, S. Rahardja, E.P. Ong and S.S. Yao, “Perceptual Regionof-Interest (ROI) Based Scalable Video Coding”, ISO/IEC JTC1/SC29/WG11/JVT-O56, Busan, Korea, Apr 2005.
25. Z.K. Lu, W.S. Lin, Z.G. Li, K.P. Lim, X. Lin, S. Rahardja, E.P. Ong, and S.S. Yao, "Perceptual regionof-interest (ROI) based scalable video coding", ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, 15th Meeting JVT-O056, Busan, Korea, Apr 2005.
26. W. Choo, H. Huang, R. Yu, X. Lin, S. Rahardja and D. Huang, “Proposal for Lossless Audio Coding”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M11989, Busan, Korea, Apr 2005.
27. R. Geiger, R. Yu, M. Schumidt, X. Lin and S. Rahardja, “Proposed Study on ISO/IEC 14496-3:2001/FPDAM5 (Scalable Lossless Coding)”, ISO/IEC JTC1/SC29/WG11, MPEG2005/ M11991, Busan, Korea, Apr 2005.
28. R. Yu, X. Lin and S. Rahardja, “Integration of MPEG-4 SLS with MPEG-4 Scalable Audio Coding Tools”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M12337, Poznan, Poland, Jul 2005.
29. R. Yu, R. Geiger, X. Lin and S. Rahardja, “Proposed Text of ISO/IEC 14496-3:2001/FDAM 5, Scalable Lossless Coding (SLS)”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M12379, Poznan, Poland, Jul 2005.
30. R. Yu, R. Geiger, X. Lin and S. Rahardja, “Update on Performance and Complexity of Lossless Audio Coding Architectures”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M12380, Poznan, Poland, Jul 2005.
31. Z.K. Lu, Z.G. Li, J.H. Zheng, W. Yao, W.S. Lin, K.P. Lim, W.S. Lin, X. Lin and S. Rahardja, “CE8 report: Perceptual Region-of-Interest (ROI) Based Scalable Video Coding”, ISO/IEC JTC1/SC29/WG11/JVT-P106, Poznan, Poland, Jul 2005.
32. Z.K. Lu, Z.G. Li, S. Rahardja, X. Lin, K.P. Lim, W.S. Lin, J.H. Zheng and W. Yao, “Progress report of CE4: ROI”, ISO/IEC JTC1/SC29/WG11/JVT-Q018, Nice, France, Oct 2005.
33. Z.G. Li, Z.K. Lu, S. Rahardja, X. Lin, K.P. Lim, W.S. Lin, J.H. Zheng and W. Yao, “On high level syntax related to ROI”, ISO/IEC JTC1/SC29/WG11/JVT-Q017, Nice, France, Oct 2005.
34. R. Yu, J. Kim, T. Chan and S. Rahardja, “Report on Integration of SLS with Scalable AAC and BSAC”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M12658, Nice, France, Oct 2005.
35. H.B. Huang, T. Li, S. Rahardja, X. Lin, “Proposed corrigendum to FDAM ALS (RLS-LMS predictor)”, ISO/IEC JTC1/SC29/WG11, MPEG2005/M12854, Bangkok, Thailand, Jan 2006.
36. Z.K. Lu, Z.G. Li, J.H. Zheng, S. Rahardja, X. Lin, W.S. Lin and K.P. Lim, “CE4: Improved high-level syntax adaptive ROI”, ISO/IEC JTC1/SC29/WG11/JVT-R043, Bangkok, Thailand, Jan 2006.
37. Y.H. Tan, Z.G. Li, K.P. Lim, S. Rahardja and J.Y. Tham, “Simplified motion compensation for motionrefined FGS”, ITU-T Q.6/16 and ISO/IEC JTC 1/SC 29/WG 11/JVT-T027, Klagenfurt, Austria, Jul 2006.
38. Z.K. Lu, J.H. Zheng, W.S. Lin and S. Rahardja, “A perceptual deblocking filter for ROI-based scalable video coding”, Joint Video Team (JVT) of ISO/IEC MPEG & ITU-T VCEG (ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6, JVT-U032, Hangzhou, China, Oct 2006.
39. W. Yao, Z.G. Li and S. Rahardja, “Balanced Inter-Layer Prediction,” ITU-T Q.6/16 and ISO/IEC JTC 1/SC 29/WG 11/JVT-U021, Hangzhou, China, Oct 2006.
40. W. Yao, Z.G. Li and S. Rahardja, “Balance Inter-layer prediction with two base layers”, Joint Video Team (JVT) of ISO/IEC MPEG & ITU-T VCEG (ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6. JVT-V046, Marrakech, Morocco, Jan 2007.
41. Z.G. Li, S. Rahardja, S.L. Xie and W. Yao, “Hypothetical Reference Decoder for Video Coding”. Joint Video Team (JVT) of ISO/IEC MPEG & ITU-T VCEG (ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6. JVT-W020, San Jose, California, USA, Apr 2007.
42. Z.G. Li, W. Yao and S. Rahardja, S.L. Xie, “Encoder optimization of Scalable Video Coding”. Joint Video Team (JVT) of ISO/IEC MPEG & ITU-T VCEG (ISO/IEC JTC1/SC29/WG11 and ITU-T SG16 Q.6. JVT-X022, Geneva, Switzerland, Jul 2007.
43. Y. Zhu, R. Yu and S. Rahardja, “Comments on Study of ISO/IEC FCD 23000-12 Interactive Music AF (N10970)”, ISO/IEC JTC1/SC29/WG11, M17340, Kyoto, Japan, Jan 2010.
44. Y. Zhu, R. Yu and S. Rahardja, “A proposal for the support of audio equalization and interactivity in IMAF”, ISO/IEC JTC1/SC29/WG11, M17341, Kyoto, Japan, Jan 2010.
45. H.B. Huang, T.E. Chan, H.Y. Shu, R.S. Yu, S. Rahardja, “AVS 音频无损压缩提案,” AVS, M2688, Guangzhou, China, March 2010.
46. Y. Zhu and S. Rahardja, “A Study of Audio Equalization and Interactivity Support in IM AF”, ISO/IEC JTC1/SC29/WG11, M17594, Dresden, Germany, Apr 2010.
47. Y. Zhu and S. Rahardja, “Encoding of dynamic volume change information in IM AF”, ISO/IEC JTC1/SC29/WG11, M17627, Dresden, Germany, Apr 2010.
48. H.B. Huang, T.E. Chan, H. Shu, R. Yu, S. Rahardja, “AVS 音频无损压缩提案,” AVS, M2688, Guangzhou, China, March 2010.
49. H.Y. Shu, H.B. Huang, T.E. Chan, R.S. Yu, S. Rahardja, “AVS 音频无损压缩标准核心实验,” AVS, M2716, Sanxia, China, June 2010.
50. C. Yeo, Y.H. Tan, Z.G. Li and S. Rahardja, “Mode-Dependent Fast Separable KLT for Block-based Intra Coding,” JCTVC-B024, 2nd JCT-VC meeting (ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11), Geneva, Switzerland, Jul 2010.
51. Y. H. Tan, C. Yeo, Z.G. Li and S. Rahardja, “Intra-prediction with Adaptive Sub-sampling,” JCTVCB025, 2nd JCT-VC meeting (ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11), Geneva, Switzerland, Jul 2010.
52. C. Yeo, Y. H. Tan, Z.G. Li and S. Rahardja, “Choice of transforms in MDDT for Unified Intra Prediction,” JCTVC-C039, 3rd JCT-VC meeting (ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11), Guangzhou, China, Oct 2010.
53. C. Yeo, Y. H. Tan, Z.G. Li and S. Rahardja, “Chroma Intra prediction using reconstructed luma,” JCTVC-C040, 3rd JCT-VC meeting (ITU-T SG16 WP3 and ISO/IEC JTC1/SC29/WG11), Guangzhou, China, Oct 2010.
54. Y.W. Zhu, R.S. Yu, T.E. Chan and S. Rahardja, “Revised proposal for dynamic volume change representation for IMAF”, ISO/IEC JTC 1/SC 29/WG 11, MPEG2011/m19274, Daegu, Korea, Jan 2011.
55. Y.W. Zhu, R.S. Yu, T.E. Chan and S. Rahardja, “A proposal for the support of audio equalization and interactivity in IMAF”, ISO/IEC JTC 1/SC 29/WG 11, MPEG2011/m19275, Daegu, Korea, Jan 2011.
56. H.B. Huang, H. Zhou, R.S. Yu, S. Rahardja, “AVS2 语音音频编码技术方案,” AVS, M2967, Guilin, China, Sep 2012.
57. H.Y. Shu, H.B. Huang, T.E. Chan, R.S. Yu, S. Rahardja, “AVS2 语音音频编码技术方案,” AVS, M2970, Guilin, China, Sep 2012.
58. H.B. Huang, H. Zhou, H.Y. Shu, R.S. Yu and S. Rahardja, “AVS2 基于语音音频编码技术的分级扩展方案,” AVS, M2992, Beijing, China, Dec 2012.
59. H.B. Huang, H. Zhou, H.Y. Shu, R.S. Yu and S. Rahardja, “AVS2 基于音频编码技术的分级扩展方,” AVS, M3006, Beijing, China, Dec 2012.

Papers
Journal Publications

1. M.A. Do, C.L. Law and S. Rahardja, “Experimental results on the performance of DPSK microwave link for indoor wireless LANs”, Journal of Electrical and Electronic Engineering, Australia, Vol. 14, No. 4, pp. 316-319, Dec 1994. 

2. B.J. Falkowski and S. Rahardja, “Efficient computation of quaternary fixed polarity Reed-Muller expansions”, IEE Proceedings, Computers and Digital Techniques, Vol. 142, No. 5, pp. 345-352, Sep 1995. 

3. S. Rahardja and B.J. Falkowski, “Application of Sign Haar transform in ternary communication system”, International Journal of Electronics, Vol. 79, No. 5, pp. 551-559, Nov 1995. 

4. B.J. Falkowski and S. Rahardja, “Complex decision diagrams”, IEE Electronics Letters, Vol. 32, No. 4, pp. 290-291, Feb 1996. 

5. B.J. Falkowski and S. Rahardja, “Walsh like functions and their relations”, IEE Proceedings, Vision, Image and Signal Processing, Vol. 143, No. 5, pp. 279-284, Nov 1996. 

6. B.J. Falkowski and S. Rahardja, “Generalized Hybrid Arithmetic Canonical Expansions for Completely Specified Quaternary Functions”, IEE Proceedings, Circuits, Devices and Systems, Vol. 144, No. 4, pp. 201-208, Aug 1997. 

7. B.J. Falkowski and S. Rahardja, “Classification and properties of fast linearly independent logic transformation”, IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, Vol. 44, No. 8, pp. 646-655, Aug 1997. 

8. S. Rahardja and B.J. Falkowski, “Classifications and graph based representations of switching functions using a novel complex spectral technique”, International Journal of Electronics, Vol. 83, No. 6, pp. 731-742, Dec 1997. 

9. B.J. Falkowski and S. Rahardja, “Fast Construction of Polarity Coefficient Matrices for Fixed Polarity Quaternary Reed-Muller Expansions”, Invited Chapter, in "Advances in Spectral Techniques", C. Moraga, Ed., Special Issue of Book Series Berichte zur angewandten Informatik, (Reports on Applied Computer Science), University of Dortmund Publisher, Dortmund, Germany, pp, 27-32, Feb 1998. 

10. B.J. Falkowski and S. Rahardja, “Recursive relations and fast flow diagram for non-linear quantized transform”, IEE Proceedings, Computers and Digital Techniques, Vol. 145, No. 2, pp. 97-107, Mar 1998. 

11. S. Rahardja and B.J. Falkowski, “Symmetry conditions of Boolean functions in Complex Hadamard Transform”, IEE Electronics Letters, Vol. 34, No. 17, pp. 1634-1635, Aug 1998. 

12. S. Rahardja and B.J. Falkowski, “Application of linearly independent arithmetic transform in testing of digital circuits”, IEE Electronics Letters, Vol. 35, No. 5, pp. 363-364, Mar 1999. 

13. S. Rahardja and B.J. Falkowski, “Family of Unified Complex Hadamard Transforms”, IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, Vol. 46, No. 8, pp. 1094-1100, Aug 1999. 

14. S. Rahardja and B.J. Falkowski, “Comparative Study of Discrete Orthogonal Transforms in Adaptive Signal Processing”, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E82-A, No. 8, pp. 1386-1390, Aug 1999. 

15. S. Rahardja and B.J. Falkowski, “Fast linearly independent Arithmetic expansions and their application to testing”, IEEE Transactions on Computer, Vol. 48, No. 9, pp. 991-999, Sep 1999. 

16. S. Rahardja and B.J. Falkowski, “Complex Composite Spectra of Unified Complex Hadamard Transform for Logic Functions”, IEEE Transactions on Circuits and Systems II: Analog and Digital Signal Processing, Vol. 47, No. 11, pp. 1291-1297, Nov 2000. 

17. B.J. Falkowski and S. Rahardja, “PLI logic for multiple-valued logic functions", IEE Proceedings, Computers and Digital Techniques, Vol. 148, No. 1, pp. 7-14, Jan 2001. 

18. B.J. Falkowski and S. Rahardja, “Generalized hybrid arithmetic transform for systems of incompletely specified quaternary functions”, IEE Electronics Letters, Vol. 37, No. 16, pp. 1006-1007, Aug 2001. 

19. S. Rahardja and B.J. Falkowski, “Efficient algorithm to calculate Reed-Muller Expansions Over GF(4)”, IEE Proceedings, Circuits, Devices and Systems, Vol. 148, No. 6, pp. 289-295, Dec 2001. 

20. W. Ser, S. Rahardja and Z.N. Lin, “Autocorrelation properties of Unified Complex Hadamard Transform sequences”, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Special Section Information Theory and Its Applications, Vol. E85-A, No. 10, pp. 2280-2282, Oct 2002. 

21. B.J. Falkowski and S. Rahardja, “Operations on Logic Functions and Variables through Sign Haar Spectra”, Computers and Electrical Engineering, An International Journal, The Netherlands, Vol. 29, No. 1, pp. 1-12, Jan 2003. 

22. S. Rahardja, W. Ser and Z.N. Lin, “UCHT-Based Complex Sequences for Asynchronous CDMA System”, IEEE Transactions on Communications, Vol. 51, No. 4, pp. 618-627, Apr 2003. 

23. S. Rahardja and B.J. Falkowski, “Fast Mixed Linearly Independent Arithmetic Logic Transforms for Multiple-Valued Functions”, Journal of Multiple-Valued Logic and Soft Computing, USA, Vol. 10, No. 1, pp. 73-87, Mar 2004. 

24. H.B. Huang, R.S. Yu, X. Lin and S. Rahardja, “A Method for Realizing a Reversible Integer Type-IV Discrete Cosine Transform”, IEE Electronics Letters, Vol. 40, No. 8, Apr 2004. 

25. B.J. Falkowaki, C.C. Lozano and S. Rahardja, “Calculation of best fixed polarity Reed-Muller transform over GF(5)”, IEICE Electronics Express, Vol. 1, No. 5, pp. 95-97, Jun 2004.

26. F. Pan, X. Lin, S. Rahardja, W.S. Lin, E.P. Ong, S.S. Yao, Z.K. Lu and X.K. Yang, “A locally adaptive algorithm for measuring blocking artifacts in images and videos”, Signal Processing: Image Communication, Vol. 19, No. 6, pp. 499-506, Jul 2004. 

27. B.J. Falkowski and S. Rahardja, “Complex Hadamard Transforms: Properties, Relations and Architecture”, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Japan, Vol. E87-A, No. 8, pp. 2077-2083, Aug 2004. 

28. B.J. Falkowaki, C.C. Lozano and S. Rahardja, “Algorithm to generate fixed polarity Reed-Muller GF(5) Spectra from disjoint cubes”, IEICE Electronics Express, Japan, Vol. 1, No. 6, pp. 131-136, Jun 2004. 

29. S. Xie and S. Rahardja, “Performance evaluation for quaternary DS-SSMA communications with complex signature sequences over Rayleigh-fading channels”, IEEE Transactions on Wireless Communications, Vol. 4, No. 1, pp. 266-277, Jan 2005. 

30. P. Li, W.S. Lin, S. Rahardja, X. Lin, X.K. Yang and Z.G. Li, “Geometrically determining the leaky bucket parameters for video streaming over constant bit-rate channels”, Signal Processing: Image Communication, Vol. 20, pp. 193-204, Feb 2005. 

31. X.K. Yang, W.S. Lin, Z.K. Lu, X. Lin, S. Rahardja, E.P. Ong and S.S. Yao, “Rate control for videophone using local perceptual cues”, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 15, No. 4, pp. 496- 507, Apr 2005. 

32. C.H. You, S.N. Koh, and S. Rahardja, “An Invertible Frequency Eigendomain Transformation for Masking-Based Subspace Speech Enhancement”, IEEE Signal Processing Letters, Vol. 12, No. 5, pp. 461-464, May 2005. 

33. C.H. You, S.N. Koh and S. Rahardja, “β-order MMSE Spectral Amplitude Estimation for speech enhancement”, IEEE Transactions on Audio, Speech and Language Processing, Vol. 13, No. 4, pp. 475-486, Jul 2005. 

34. F. Pan, X. Lin, S. Rahardja, K. P. Lim, Z. G. Li, D. Wu, S. Wu, “Fast Mode Decision Algorithm for Intra Prediction in H.264/AVC Video Coding”, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 15. No. 7, pp. 813-912, Jul 2005. 

35. D. Wu, Pan Feng, K. P. Lim, S. Wu, Z. G. Li, X. Lin, S. Rahardja, C.C. Ko, “Fast Intermode Decision in H.264/AVC Video Coding”, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 15. No. 7, pp. 953-958, Jul 2005. 

36. S. Rahardja, B.J. Falkowski and C.C. Lozano, “Fastest linearly independent transforms over GF(2) and their properties”, IEEE Transactions on Circuits and Systems I, Vol. 52, No. 9, pp. 1832-1844, Sep 2005. 

37. C.H. You, S.N. Koh, and S. Rahardja, “Masking-Based β-Order MMSE Speech Enhancement”, Speech Communication, Vol. 48, pp. 57-70, Jan 2006. 

38. H.B. Huang, S. Rahardja, R.S. Yu and X. Lin, “Integer MDCT with enhanced approximation of the DCT-IV”, IEEE Transactions on Signal Processing, Vol. 54, No. 3, pp. 1156-1159, Mar 2006. 

39. B.J. Falkowski, C.C. Lozano, S. Rahardja, “Column polarity matrix algorithm for ternary fixed polarity Reed-Muller expansions”, Journal of Circuits, Systems, and Computers, USA, Vol. 15, No. 2, pp. 243-262, Apr 2006. 

40. Z.G. Li, W. Gao, F. Pan, S.W. Ma, K.P. Lim, G.N. Feng, X. Lin, S. Rahardja, H.Q. Lu and Y. Lu, “Adaptive rate control for H.264”, Journal of Visual Communication and Image Representation, Vol. 17, No. 2, pp. 376-406, Apr 2006. 

41. R.S. Yu, S. Rahardja, X. Lin and C.C. Ko, “A fine granular scalable to lossless audio coder”, IEEE Transactions on Audio, Speech and Language Processing, Vol. 14, No. 4, pp. 1352-1363, Jul 2006. 

42. Z.G. Li, S. Rahardja and H.F. Sun, “Implicit bit allocation for combined coarse granular scalability and spatial scalability”, IEEE Transactions on Circuit System for Video Technology, Vol. 16, No. 12, pp. 1449-1459, Dec 2006. 

43. T. Li, S. Rahardja and S.N. Koh, “Perceptually adaptive bit-plane coding for scalable audio”, IEE Electronics Letters, Vol. 43, No. 1, pp. 60-61, Jan 2007. 

44. S.L. Xie, S. Rahardja and Z.H. Gu, “Performance of DS-CDMA downlink systems with orthogonal UCHT complex sequences”, IEEE Transactions on Communications, Vol. 55, No. 2, pp. 251-256, Feb 2007. 

45. R. Geiger, R.S. Yu, J. Herre, S. Rahardja, S.W. Kim, X. Lin, M. Schmidt, “ISO/IEC MPEG-4 High-Definition Scalable Advanced Audio Coding”, Journal of AES, Volume 55, Issue 1 / 2, pp. 27-43, Feb 2007. 

46. C.C. Lozano, B.J. Falkowski and S. Rahardja, “Properties and relations for fast linearly independent arithmetic transforms”, IET Signal Processing, Vol. 1, No. 2, pp. 82-95, Jun 2007. 

47. C.H. You, S.N. Koh and S. Rahardja, “Subband Kalman filtering incorporating masking properties for noisy speech signal”, Speech Communication, Vol. 49, No. 7-8, pp. 558-573, Jul 2007. 

48. C.H. You, S. Rahardja and S.N. Koh, “Audible noise reduction in eigendomain for speech enhancement”, IEEE Transactions Audio, Speech and Language Processing, Vol. 15, No. 6, pp. 1753-1765, Aug 2007. 

49. A. Aung, B.P. Ng and S. Rahardja, “Performance of SCHT sequences in asynchronous CDMA system”, IEEE Communications Letters, Vol. 11, No. 8, pp. 641-643, Aug 2007. 

50. T. Li, S. Rahardja, R.S. Yu and S.N. Koh, “On Integer MDCT for perceptual audio coding”, IEEE Transactions on Audio, Speech and Language Processing, Vol. 15, No. 8, pp. 2236-2248, Nov 2007. 

51. F. Pan, X. Lin, S. Rahardja, E.P. Ong, W.S. Lin, “Using edge direction information for measuring blocking artifacts of images”, Multimedia Systems and Signal Processing, Vol. 18, No. 4, pp. 297-308, Dec 2007. 

52. T. Li, S. Rahardja and S.N. Koh, “Frequency region based prioritized bit plane coding for scalable audio”, IEEE Transactions on Audio, Speech and Language Processing, Vol. 16, No. 1, pp. 94-105, Jan 2008.

53. H.J. Yang, A.C. Kot and S. Rahardja, “Orthogonal data embedding for binary images in morphological transform domain – a high capacity approach”, IEEE Transactions on Multimedia, Vol. 10, No. 3, pp. 339-351, 2008. 

54. Y.H. Tan, Z.G. Li, K.P. Lim and S. Rahardja, “Simplified motion refined scheme for fine granularity scalability”, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 18, No. 9, pp. 1212 – 1222, Oct 2008. 

55. H.B. Huang, P. Franti, D.Y. Huang and S. Rahardja, “Cascaded RLS-LMS Prediction in MPEG-4 Lossless Audio Coding”, IEEE Transactions on Audio, Speech and Language Processing, Vol. 16, No. 3, pp. 554-562, Mar 2008.

56. A. Aung, B.P. Ng and S. Rahardja, “Sequency-ordered Complex Hadamard Transform: Properties, Computational Complexity and Applications”, IEEE Transactions on Signal Processing, Vol. 56, No. 8, pp. 3562-3571, Aug 2008.  

57. E.C.W. Koh, H.W. Sun, T.L. New, T.H. Nguyen, B. Ma, E.S. Chng, H.Z. Li and S. Rahardja, “Speaker diarization using direction of arrival estimate and acoustic feature estimation: The I2R-NTU submission for the NIST RT 2007 Evaluation”, CLEAR 2007 and RT 2007, Lecture notes in Computer Science 4625, R. Steifelhagen et. Al. (Eds.), Springer-Verlag Berlin Heidelberg, pp. 484-496, 2008. 

58. A. Aung, B.P. Ng and S. Rahardja, “Conjugate symmetric sequency-ordered Complex Hadamard Transform”, IEEE Transactions on Signal Processing, Vol. 57, No. 7, pp. 2582-2593, Jul 2009. 

59. T. Li, S. Rahardja and S.N. Koh, “Fixed quality layered audio based on scalable lossless coding”, IEEE Transactions on Multimedia, Vol. 11, No. 3, pp. 422-432, Apr 2009. 

60. S.E. Nai, W. Ser, Z.L. Yu and S. Rahardja, “A Robust Adaptive Beamforming Framework with Beam Pattern Shaping Constraints”, IEEE Transactions on Antennas and Propagation, Vol. 57, No. 7, pp. 2198-2203, May 2009. 

61. W. Yang, J. Zheng, J. Cai, S. Rahardja and C. W. Chen, “Natural and seamless image composition with color control”, IEEE Transactions on Image Processing, vol. 18, no. 11, pp. 2584-2592, Nov 2009. 

62. A.Y.S. Chia, S. Rahardja, S.D. Rajan, M.K. Leung, “Structural descriptors for category level object detection”, IEEE Transactions on Multimedia, Vol. 11, No. 8, pp. 1407-1421, Dec 2009. 

63. Z.J. Zhu, Z.G. Li, S. Rahardja, and P. Franti, “Recover real world scene: high quality image inpainting using multi-exposed references”, IET Electronics Letters, pp. 1310-1312, Vol. 45, Issue 25, Dec 2009. 

64. L. Chen, W. Ser, Z.L. Yu, S. Rahardja and W. Cen, “Linear sparse array synthesis with minimum number of sensors”, IEEE Transactions on Antennas and Propagation, Vol. 58, No. 3, pp. 720-726, Mar 2010. 

65. A. Aung, B.P. Ng and S. Rahardja, “A robust watermarking scheme using sequency-ordered Complex Hadamard Transform”, Journal of Signal Processing Systems, Springer Science+Business Media, May 2010. 

66. Y.H. Tan, W.S. Lee, J.Y. Tham, S. Rahardja and K.M. Lye, “Complexity scalable H.264/AVC Encoding”, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 20, No. 9, pp. 1271-1275, Sep 2010. 

67. H. Huang, H. Shu, R. Yu, T. Chan and S. Rahardja, "Introduction to AVS Lossless Audio Coding Standard: Entropy Coding", Diansheng Jishu, Vol. 34, No. 12, pp. 69-71, Dec. 2010 (in Chinese).

68. A.Y.S. Chia, S. Rahardja, S.D. Rajan, M.K. Leung, “A split and merge based ellipse detector with self-correcting capability”, IEEE Transactions on Image Processing, Vol. 20, No. 7, pp. 1991-2006, Jul 2011. 

69. C.H. Yeo, Y.H. Tan, Z.G. Li and S. Rahardja, “Mode-dependent transforms for coding directional intra prediction residuals”, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 22, No. 4, pp. 545-554, Apr 2012. 

70. H. Shu, H.B. Huang and S. Rahardja, “Analysis of Bit-Plane Probability for Generalized Gaussian Distribution and its Application in Audio Coding”, IEEE Transactions on Audio, Speech and Language Processing, Vol. 20, No. 4, pp. 1167-1176, May 2012. 

71. A.Y.S. Chia, S.D. Rajan, M.K. Leung, S. Rahardja, “Object recognition by discriminative combinations of line segments, eliipses and appearance features”, IEEE Transactions on Pattern Analysis and Machine Intelligence, Vol. 34, No. 9, pp. 1758-1772, Sep 2012.

72. W. Yao, L.P. Chau and S. Rahardja, “Joint Rate Allocation for Statistical Multiplexing in Video Broadcasting Applications”, IEEE Transactions on Broadcasting, Vol. 58, No. 3, pp. 417-427, Sep 2012.

73. W. Yao, Z.G. Li and S. Rahardja, “Dynamic Threshold Based Keyframe Detection And Its Application in Rate Control”, IET Image Processing, Vol. 6, No. 7, pp. 986-995, Oct 2012.

74. S.L. Xie and S. Rahardja, “An Alternating Direction Method for Balanced Image Restoration”, IEEE Transactions on Image Processing, Vol. 21, No. 11, pp. 4557- 4567, Nov. 2012. 

75. Z.G. Li, J.H. Zheng, Z.J. Zhu, S.Q. Wu and S. Rahardja, “Detailed Enhanced Exposure Fusion”, IEEE Transactions on Image Processing, Vol. 21, No. 11, pp. 4672-4676, Nov 2012.

76. R.S. Yu, W.X. Yang and S. Rahardja, “A Statistical Demand-Price Model With Its Application in Optimal Real-Time Price”, IEEE Transactions on Smart Grid, Vol. 3, No. 4, pp. 1734-1742, Dec. 2012.

77. Y.H. Tan, C.H. Yeo, Z.G. Li and S. Rahardja, “Intra Coding with Adaptive Partial Reconstruction”, IEEE Transactions on Circuits and Systems for Video Technology, Vol. 23, No. 2, pp. 281-290, Feb 2013. 

78. W. Yao, S. Rahardja and L.P. Chau, “Joint Rate Allocation of Stereoscopic 3D Videos in Next Generation Broadcast Applications”, IEEE Transactions on Broadcasting, Vol. 59, No. 3, pp. 445-454, Sep 2013.

79. H.L. Tan, Z.G. Li, Y.H. Tan, S. Rahardja and C.H. Yeo, “A Perceptually Relevant MSE-based Image Quality Metric”, IEEE Transactions on Image Processing, Vol. 22, No. 11, pp. 4447-4459, Nov. 2013.

80. J.H. Zheng, Z.G. Li, Z.J. Zhu, S.Q. Wu and S. Rahardja, “Hybrid Patching for a Sequence of Differently Exposed Images With Moving Objects”, IEEE Transactions on Image Processing, Vol. 22, No. 12, December 2013.

81. H.L. Tan, C.C. Ko and S. Rahardja*, “Fast Coding Quad-Tree Decisions using Prediction Residuals Statistics for High Efficiency Video Coding (HEVC)”, IEEE Transactions on Broadcasting, Vol. 62, No. 1, pp. 128-133, Mar. 2016.

82. Q.Y. Wang, R.Y. Liang, S. Rahardja, L.Y. Zhao, C.R. Zhu, L. Zhao, “Piecewise-linear Frequency Shifting Algorithm for Frequency Resolution Enhancement in Digital Hearing Aids”, Applied Sciences, 7, 335, Mar 2017.

83. K.S. Chan, A. James, S. Shafiee, S. Rahardja*, J. Shen, K. Sivakumar and B. Belzer, “User Areal Density Optimization for Conventional and 2D Detectors/Decoders”, IEEE Transactions on Magnetics, Volume 54, No. 2, Print ISSN: 0018-9464, Online ISSN: 1941-0069, pp. 1-2, Feb 2018. doi: 10.1109/TMAG.2017.2747627.

84. I. R. Khan, S. Rahardja*, M.M. Khan, M. Movania, and F. Abed, “A New Tone Mapping Technique Based on Histogram Using a Sensitivity Model of the Human Visual System”, IEEE Transactions on Industrial Electronics, Volume 65, No. 4, pp. 3469-3479, April 2018. doi: 10.1109/TIE.2017.2760247.

85. J. Chen, C.-H. Chang, Y. Wang, J. Zhao and S. Rahardja*, “New Hardware and Power Efficient Sporadic Logarithmic Shifters for DSP Applications”, IEEE Transactions on Computer Aided Design of Integrated Circuits and Systems, Volume 37, No. 4, pp. 896-900, Apr 2018. doi: 10.1109/TCAD.2017.2740300.

86. F. Abed, I.R. Khan, and S. Rahardja*, “A new four-channel format for encoding of HDR images”, IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Letter, Vol. E101-A, No. 2, pp. 512-515, Feb 2018. 

87. Y.X. Sun, J. Chen, C. Yuen and S. Rahardja, “Indoor Sound Source Localization with Probabilistic Neural Network”, IEEE Transactions on Industrial Electronics, Volume 65, No. 8, pp. 6403-6413, Aug 2018. doi: 10.1109/TIE.2017.2786219.

88. Z. Li, J. Chen and S. Rahardja, “Graph Construction for Hyperspectral Data Unmixing”, Hyperspectral Imaging in Agriculture, Food and Environment, INTECH Book Chapter, ISBN 978-1-78923-291-2. Available at http://mts.intechopen.com/articles/show/title/graph-construction-for-hyperspectral-data-unmixing. Published 1 August 2018. doi: 10.5772/intechopen.73158.

89. K.S. Chan and S. Rahardja*, “Analysis of the Joint Viterbi Detector/Decoder (JVDD) over a coded ISI/AWGN system”, IEEE Transactions on Broadcasting, accepted, to be published in 2019.

90. N. Borijindargoon, B.P. Ng and S. Rahardja*, “MUSIC-like algorithm for source localization in Electrical Impedance Tomography”, IEEE Transactions on Industrial Electronics, accepted, to be published in 2019.
.


Conference Publications

1. S. Rahardja, C.L. Law and M.A. Do, “Performance investigation of differential phase shift keying modulation system for wireless LAN”, Proceedings 1st International Workshop on Mobile and Personal Communication Systems, Adelaide, Australia, pp. 169-173, Nov 1992.
2. S. Rahardja, C.L. Law and M.A. Do, “Differential phase shift keying modulation for WIN systems”, Proceedings of IEEE TENCON, Melbourne, Australia, Vol. 1, pp. 166-170, Nov 1992.
3. M.A. Do, C.L. Law and S. Rahardja, “Error rate measurements of DPSK indoor wireless LANs”, Proceedings 5th IEEE International Conference on Wireless Communications, Canada, Jul 1993.
4. C.L. Law, M.A. Do and S. Rahardja, “Wireless LANs with DPSK”, Proceedings SICON/Institute for Computer and Information Engineering (ICIE), Singapore, Vol. 1, pp. 320-325, Sep 1993.
5. B.J. Falkowski and S. Rahardja, “Fast construction of polarity matrices for fixed polarity quaternary Reed-Muller expansions”, Proceedings International Workshop on Spectral Techniques, Beijing, China, pp. 220-225, Apr 1994.
6. B.J. Falkowski and S. Rahardja, “Sign Haar transform”, Proceedings 27th IEEE International Symposium on Circuits and Systems, (ISCAS 1994), London, United Kingdom, Vol. 2, pp. 161-164, May 1994.
7. B.J. Falkowski and S. Rahardja, “Fast transforms for orthogonal logic”, Proceedings 28th IEEE International Symposium on Circuits and Systems, (ISCAS 1995), Seattle, Washington, USA, pp. 2164-2167, May 1995.
8. B.J. Falkowski and S. Rahardja, “Efficient algorithm for the generation of fixed polarity quaternary Reed-Muller expansions”, Proceedings 25th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 1995), Bloomington, Indiana, USA, pp. 158-163, May 1995.
9. B.J. Falkowski and S. Rahardja, “Novel quantized transform for ternary systems”, Proceedings 25th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 1995), Bloomington, Indiana, USA, pp. 117-122, May 1995.
10. B.J. Falkowski and S. Rahardja, “Quasi-arithmetic polynomial expansions for quaternary functions”, IFIG WG 10.5 Workshop on Applications of the Reed-Muller Expansion in Circuit Design, Makuhari, Chiba, Japan, pp. 265-272, Aug 1995.
11. B.J. Falkowski and S. Rahardja, “Family of fast transforms for GF(2) orthogonal logic”, IFIG WG 10.5 Workshop on Applications of the Reed-Muller Expansion in Circuit Design, Makuhari, Chiba, Japan, pp. 263-280, Aug 1995.
12. S. Rahardja and B.J. Falkowski, “Family of fast transform for Mixed Arithmetic logic”, Proceedings 29th IEEE International Symposium on Circuits and Systems, (ISCAS 1996), Atlanta, Georgia, USA, pp. 396-399, May 1996.
13. B.J. Falkowski and S. Rahardja, “Composite Complex Hadamard spectra of Boolean functions”, Proceedings 29th IEEE International Symposium on Circuits and Systems, (ISCAS 1996), Atlanta, Georgia, USA, pp. 392-395, May 1996.
14. S. Rahardja and B.J. Falkowski, “Family of fast Mixed Arithmetic logic transforms for multiple-valued input binary function”, Proceedings 26th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 1996), Santiago de Compostela, Spain, pp. 24-29, May 1996.
15. B.J. Falkowski and S. Rahardja, “Complex spectral decision diagrams”, Proceedings 26th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 1996), Santiago de Compostela, Spain, pp. 255-260, May 1996.
16. B.J. Falkowski and S. Rahardja, “Complex Hadamard decision diagrams”, Proceedings 5th Workshop on Post Binary Ultra-Large Scale Integration, Santiago de Compostela, Spain, pp. 6-7, May 1996.
17. S. Rahardja and B.J. Falkowski, “Family of Complex Hadamard transforms: Relationship with other transforms and complex composite spectra”, Proceedings 27th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 1997), Antigonish, Nova Scotia, Canada, pp. 125-130, May 1997.
18. B.J. Falkowski and S. Rahardja, “Properties and applications of Unified Complex Hadamard transforms”, Proceedings 27th IEEE International Symposium on Multiple- Valued Logic, (ISMVL 1997), Antigonish, Nova Scotia, Canada, pp. 131-136, May 1997.
19. S. Rahardja and B.J. Falkowski, “Detection of Boolean symmetries using Complex Hadamard transformation”, Proceedings 30th IEEE International Symposium on Circuits and Systems, (ISCAS 1997), Hong Kong, Vol. 3, pp. 2116-2119, Jun 1997.
20. B.J. Falkowski and S. Rahardja, “Algorithms for fast Reed-Muller transform”, Proceedings 30th IEEE International Symposium on Circuits and Systems, (ISCAS 1997), Hong Kong, Vol. 4, pp. 2669-2672, Jun 1997.
21. B.J. Falkowski and S. Rahardja, “Properties of Boolean functions in spectral domain of Sign Haar Transform”, Proceedings 1st International Conference on Information, Communications and Signal Processing, (ICICS 1997), Singapore, Vol. 1, pp. 64-68, Sep 1997.
22. S. Rahardja and B.J. Falkowski, “Application of Mixed Arithmetic logic in testing of digital circuits”, Proceedings 7th International Symposium on IC Technology, Systems and Applications, (ISIC 1997), Singapore, pp. 553-556, Sep 1997.
23. B.J. Falkowski and S. Rahardja, “Complex spectral transforms for classification of switching functions”, Proceedings 7th International Symposium on IC Technology, Systems and Applications, (ISIC 1997), Singapore, pp. 505-508, Sep 1997.
24. B.J. Falkowski and S. Rahardja, “Fast Construction of Polarity Coefficient Matrices for Fixed Polarity Quaternary Reed-Muller Expansions”, Invited Chapter, in "Advances in Spectral Techniques", C. Moraga, Ed., Special Issue of Book Series Berichte zur angewandten Informatik, (Reports on Applied Computer Science), University of Dortmund Publisher, Dortmund, Germany, pp, 27-32, Feb 1998.
25. B.J. Falkowski and S. Rahardja, “Spectral Transformations for Systems of Incompletely Specified Discrete Functions”, 4th International Conference on Signal Processing, (ICSP 1998), Beijing, China, Vol. 1, pp. 529-532, Oct 1998.
26. S. Rahardja and B.J. Falkowski, “Digital Signal Processing with Complex Hadamard Transform”, 4th International Conference on Signal Processing, (ICSP 1998), Beijing, China, Vol. 1, pp. 533-536, Oct 1998.
27. S. Rahardja and B.J. Falkowski, “A New Algorithm to Compute Quaternary Reed-Muller Expansions”, Proceedings 30th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 2000), USA, pp. 153-158, May 2000.
28. B.J. Falkowski and S. Rahardja, “Fast Transforms for Multiple-Valued Input Binary Output PLI Logic”, Proceedings 30th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 2000), USA, pp. 47-52, May 2000.
29. H.C. Ng, H.B. Huang, X. Lin, H.L. Toh, S. Rahardja, H. Lan, X. Chen, “A standalone video communication system for wired and wireless applications”, Proceedings IEEE International Conference on Multimedia & Expo, (ICME 2000), Baltimore MD, USA, Vol. 1, pp. 37-40, Jul 2000.
30. Z.N. Lin, S. Rahardja, W. Ser, “Performance of UCHTs Sequences in Synchronous CDMA”, 2nd International Symposium on Communication Systems Networks & Digital Signal Processing, (CSNDSP 2000), Bournemouth, UK, pp. 328-331, Jul 2000.
31. Z.N. Lin, S. Rahardja, W. Ser, “Orthogonal UCHT sequences for Asynchronous CDMA System”, 6th IEEE International Symposium on Spread Spectrum Techniques and Applications, North New Jersey, USA, Vol. 2, pp. 404-408, Sep 2000.
32. Z.N. Lin, S. Rahardja, W. Ser, “Upper Bound on the Periodic Autocorrelation of Unified Complex Hadamard Transforms Sequences”, IEEE International Symposium on Information Theory, (ISIT 2001), Washington, DC, USA, pp. 68, Jun 2001.
33. Z.L. Yu and S. Rahardja, “DOA Estimation using two closely spaced microphones”, Proceedings 35th IEEE International Symposium on Circuits and Systems, (ISCAS 2002), Arizona, USA, Vol. 2, pp. 193-196, May 2002.
34. S. Rahardja and B.J. Falkowski, “Polynomial expansions over GF(2) based on fastest transformation”, Proceedings 35th IEEE International Symposium on Circuits and Systems, (ISCAS 2002), Arizona, USA, Vol. 3, pp. 377-380, May 2002.
35. B.J. Falkowski and S. Rahardja, “Boolean verification with fastest LIA transforms”, Proceedings 35th IEEE International Symposium on Circuits and Systems, (ISCAS 2002), Arizona, USA, Vol. 5, pp. 321- 324, May 2002.
36. Z.B. Cai, S. Rahardja and Q.Y. Zou, “A knowledge based real-time speech detector for microphone array videoconferencing system”, Proceedings 6th International Conference On Signal Processing, (ICSP2002), Beijing, China, Vol. 1, pp. 350-353, Aug 2002.
37. Q.Y. Zou, S. Rahardja and Z.B. Cai, “Speaker localization using microphone array in a reverberrant room”, Proceedings 6th International Conference On Signal Processing, (ICSP 2002), Vol. 1, Beijing, China, pp. 354-357, Aug 2002.
38. S. Rahardja, D. Wu, X. Lin, K.P. Lim, R. Yu, F. Pan, Z. G. Li, S. Yao, G. N. Feng, S. Wu, “Live Video Streaming on Embedded Devices through Wireless Channel”, International Conference on Advances in Infrastructure for e-Business, e-Education, e-Science, e-Medicine, and Mobile Technologies on the Internet, (SSGRR 2003w), L'Aquila, Italy, Jan 2003.
39. R.S. Yu, C.C. Ko, S. Rahardja and X. Lin, “Bit-Plane Golomb Coding for Sources with Laplacian Distribution”, 28th International Conference on Acoustic, Speech and Signal Processing, ICASSP 2003), Hong Kong, China, Vol. IV, pp. 277-280, Apr 2003.
40. S.L. Xie, L.H. Xie, S. Rahardja, “An LMI-based decentralized Hº for interconnected linear system”, 28th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2003), Hong Kong, Vol. VI, pp. 589-592, Apr 2003.
41. S. Rahardja and S.L. Xie, “Generalized complex spectral decision diagrams using unified complex Hadamard transform”, Proceedings 30th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 2003), Tokyo, Japan, pp. 391-395, May 2003.
42. S.L. Xie, S. Rahardja, Z.H. Gu, “Relationship between UCHT and FFT”, Proceedings 30th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 2003), Tokyo, Japan, pp. 154-158, May 2003.
43. H.P. Lu, C.C. Kot, S. Rahardja, “Binary image watermarking through biased binarization”, Proceedings IEEE International Conference on Multimedia & Expo, (ICME 2003), Baltimore MD, USA, Vol. 3, pp. 101-104, Jul 2003.
44. R. Yu, X. Lin, S. Rahardja and C.C. Ko, “A Fine Granular Scalable Perceptually Lossy and Lossless Audio Codec”, IEEE International Conference on Multimedia & Expo, (ICME 2003), Baltimore, USA, Vol. 1, pp. 65-68, Jul 2003.
45. Z.G. Li, F. Pan, K.P. Lim, G.N. Feng, X. Lin and S. Rahardja, “Adaptive Frame Layer Rate Control for H.264”, Proceedings IEEE International Conference on Multimedia & Expo, (ICME 2003), Baltimore MD, USA, Vol. 1, pp. 581-584, Jul 2003.
46. K.P. Lim, D.J. Wu, S. Wu, S. Rahardja, X. Lin, R.S. Yu, F. Pan, Z.G. Li, S.S. Yao, G.N. Feng, “Video streaming on embedded devices through GPRS”, Proceedings IEEE International Conference on Multimedia & Expo, (ICME 2003), Baltimore MD, USA, Vol. 2, pp. 169-172, Jul 2003.
47. S. Rahardja and S.L. Xie, “An algorithm to compute unified complex Hadamard transform”, 7th International Symposium Signal Processing and its Application, Paris, France, Vol. 2, pp. 173-176, Jul 2003.
48. S.L. Xie, S. Rahardja and Z.H. Gu, “Performance analysis of DS-SSMA communications with complex signature sequences and complex processing in Rayleigh-fading”, 7th International Symposium Signal Processing and its Application, Paris, France, Vol. 2, pp. 315-318, Jul 2003.
49. E.P. Ong, W.S. Lin, Z.K. Lu, X. K. Yang, S.S. Yao, X. Lin, S. Rahardja and F. Moschetti, “Quality Evaluation of MPEG-e and H.26L Coded Video for Mobile Multimedia Communications”, 7th International Symposium Signal Processing and its Application, Paris, France, Jul 2003.
50. S.S. Yao, S. Rahardja, X. Lin, K.P. Lim Z. Lu, “Post-processing for JPEG 2000 Image Coding Using Recursive Line Filtering Based on a Fuzzy Control Model”, Visual Communications and Image Processing, (VCIP 2003), Lugano, Switzerland, Vol. 5150, pp. 764-773, Jul 2003.
51. C.H. You, S.N. Koh, S. Rahardja, “Adaptive beta-Order MMSE Speech Enhancement Application for Mobile Communication in a Car Environment”, 4th International Conference on Information, Communications & Signal Processing and 4th Pacific-Rim Conference on Multimedia, (ICICS-PCM 2003), Singapore, pp. 3B33.5-P0854, Dec 2003.
52. B.J. Falkowski, C.C. Lozano, S. Rahardja, “Fast Calculation of Ternary Fixed-Polarity Reed-Muller Transform Using Column Polarity Matrix”, Proceedings 16th European Conference on Circuit Theory and Design, (ECCTD 2003), Krakow, Poland, Vol. I, pp. 357-360, Sep 2003.
53. R.S. Yu, C.C. Ko, S. Rahardja, X. Lin, “An RLS-LMS algorithm for Lossless audio coding”, Proceedings Asilomar Conference on Signals, Systems and Computers, USA, Dec 2003.
54. Z.H. Gu, S. Xie, and S. Rahardja, “Performance of DS-CDMA systems UCHT signature sequences over fading channels,” 7th International Symposium On Consumer Electronics, (ISCE 2003), Sydney, Australia, Dec 2003.
55. D.J. Wu, S. Wu, K.P. Lim, S. Rahardja, X. Lin, F. Pan, Z.G. Li, R.S. Yu, G.N. Feng, C. Zhu, “Broadcasting MPEG Video/Audio to portable devices over wireless networks”, 7th International
Symposium On Consumer Electronics, (ISCE 2003), Sydney, Australia, Dec 2003.
56. Z.G. Li, F. Pan, K.P. Lim, G.N. Feng, X. Lin, S. Rahardja, “Adaptive basic unit layer rate control for H.264”, 7th International Symposium On Consumer Electronics, (ISCE 2003), Sydney, Australia, Dec 2003.
57. X.K. Yang, W.S. Lin, Z.K. Lu, X. Lin, S. Rahardja, E.P. Ong and S.S. Yao, “Local visual perceptual clues and its use in videophone rate control”, Proceedings 37th IEEE International Symposium on Circuits and Systems, (ISCAS 2004), Vancouver, Canada, May 2004.
58. B.J. Falkowski, C.C. Lozano and S. Rahardja, “Calculation of fixed polarity Reed-Muller spectra over GF(5) from disjoint cubes of five-valued functions”, Proceedings 13th Workshop on Post Binary Ultra-Large Scale Integration, (WPBULSI 2004), Toronto, Canada, pp. 3-7, May 2004.
59. B.J. Falkowski, C.C. Lozano and S. Rahardja, “Fast Optimization of Fixed-Polarity Reed-Muller Expansions over GF(5)”, Proceedings 34th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 2004), Toronto, Canada, pp. 162-167, May 2004.
60. B.J. Falkowski, C.C. Lozano and S. Rahardja, “Spectra Generation for Fixed-Polarity Reed-Muller Transform over GF(5)”, Proceedings 34th IEEE International Symposium on Multiple-Valued Logic, (ISMVL 2004), Toronto, Canada, pp. 177-183, May 2004.
61. B.J. Falkowski, C.C. Lozano and S. Rahardja, “Generation of Disjoint Cubes for Multiple-Valued Functions”, Proceedings 37th IEEE International Symposium on Circuits and Systems, (ISCAS 2004), Vancouver, Canada, Vol. 5, pp. 133-136, May 2004.
62. D.Y. Huang, W.S. Lin and S. Rahardja, “Speech pitch detection in noisy environment using multi-rate adaptive lossless FIR filters”, Proceedings 37th IEEE International Symposium on Circuits and Systems, (ISCAS 2004), Vancouver, Canada, May 2004.
63. C.H. You, S.N. Koh and S. Rahardja, “An MMSE speech enhancement approach incorporating masking properties”, 29th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2004), Montreal, Canada, May 2004.
64. H.B. Huang, S. Rahardja, R.S. Yu and X. Lin, “A fast algorithm of integer MDCT for lossless audio coding”, 29th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2004), Montreal, Canada, May 2004.
65. P. Li, W.S. Lin, S. Rahardja, X. Lin, X.K. Yang and Z.G. Li, “Geometrically Determining Leaky Bucket Parameters for Video Streaming over Constant Bit-Rate Channels”, 29th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2004), Montreal, Canada, May 2004.
66. R.S. Yu, X. Lin, S. Rahardja, C.C. Ko, “A scalable lossy to lossless audio coder for MPEG-4 lossless audio coding”, 29th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2004), Montreal, Canada, May 2004.
67. Z.H. Gu, S.L. Xie and S. Rahardja, “Performance analysis for DS-CDMA systems with UCHT signature sequences over fading channels”, 59th IEEE Vehicular Technology Conference, (VTC 2004), Milan, Italy, May 2004.
68. Z.H. Gu, S.L. Xie and S. Rahardja, “Unified complex Hadamard transform sequences for multi-carrier CDMA systems”, 59th IEEE Vehicular Technology Conference, (VTC 2004), Milan, Italy, May 2004.
69. Z.G. Li, N. Ling, S. Rahardja, X. Lin and P. Li, “An iterative method for hypothetical reference decoder”, IEEE International Conference on Multimedia and Expo, (ICME 2004), Taipei, Taiwan, Jun 2004.
70. R. Yu, X. Lin, S. Rahardja and C. C. Ko, “A statistics study of the MDCT coefficient distribution for audio”, IEEE International Conference on Multimedia and Expo, (ICME 2004), Taipei, Taiwan, Jun 2004.
71. C.H. You, S.N. Koh and S. Rahardja, “Kalman Filtering Speech Enhancement Incorporating Masking Properties for Mobile Communication in a Car Environment”, IEEE International Conference on Multimedia and Expo, (ICME 2004), Taipei, Taiwan, Jun 2004.
72. S.L. Xie, S. Rahardja and Z.H. Gu, “Performance analysis for UCHT complex sequences in DS-CDMA downlink systems”, 60th IEEE Vehicular Technology Conference, (VTC 2004), Los Angeles, USA, Sep 2004.
73. B.J. Falkowski, C.C. Lozano and S. Rahardja, “Algorithms for calculation of fixed polarity Reed-Muller expansions over GF(5)”, Proceedings 4th TICSP International Workshop on Spectral Methods and Multirate Signal Processing, (WSMMSP 2004), Vienna, Austria, pp. 101-105, Sep 2004.
74. Z.G. Li, F. Pan, K.P. Lim, X. Lin and S. Rahardja, “Adaptive rate control for H.264”, IEEE International Conference on Image Processing, (ICIP 2004), Singapore, Oct 2004.
75. B.J. Falkowski, C. Lozano and S. Rahardja, “Generation of fixed-polarity Reed-Muller Transform over GF(5) from disjoint cubes”, 47th IEEE International Midwest Symposium on Circuits and Systems, (MWSCAS 2004), Hiroshima, Japan, Vol. 2, pp. 213-216, Jul 2004.
76. B.J. Falkowski, C. Lozano and S. Rahardja, “Efficient calculation of fixed-polarity Reed Muller expansions over GF(5) using extended dual polarity property”, IEEE International Midwest Symposium on Circuits and Systems, (MWSCAS 2004), Hiroshima, Japan, Vol. 2, pp. 217-220, Jul 2004.
77. B.J. Falkowaki, C.C. Lozano and S. Rahardja, “Algorithms for calculation of fixed-polarity Reed-Muller expansions over GF(5)”, Proceedings 4th TICSP International Workshop on Spectral Methods and Multirate Signal Processing, (WSMMSP 2004), Vienna, Austria, Sep 2004.
78. R.S. Yu, R. Geiger, S. Rahardja, J. Herre, X. Lin and H.B. Huang, “MPEG-4 scalable to lossless audio coding”, 117th AES Convention, San Francisco, USA, Oct 2004.
79. S.S. Yao, W.S. Lin, S. Rahardja, X. Lin, Z.K. Lu and E.P. Ong, “A New Visual Quality Metric for Compressed Image and Video Evaluation”, 1st International Workshop on Video Processing and Quality Metrics for Consumer Electronics, (VPQM 2005), Scottsdale, Arizona, USA, Jan 2005.
80. Z.K. Lu, W.S. Lin, E.P. Ong, S.S. Yao and S. Rahardja, “Modeling Global Modulatory factors in Just-Noticeable-Distortion Estimation”, 1st International Workshop on Video Processing and Quality Metrics for Consumer Electronics, (VPQM 2005), Scottsdale, Arizona, USA, Jan 2005.
81. R.S. Yu, X. Lin, S. Rahardja and C.C. Ko, “Improving coding efficiency for MPEG-4 audio scalable lossless coding”, 30th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2005), Philadelphia, Pennsylvania, USA, Mar 2005.
82. C.H. You, S.N. Koh and S. Rahardja, “Subspace speech enhancement for audible noise reduction”, 30th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2005), Philadelphia, Pennsylvania, USA, Mar 2005.
83. B.J. Falkowski, C.C. Lozano, and S. Rahardja, “Generalized Fastest Linearly Independent Arithmetic Transforms”, Proceedings 38th IEEE International Symposium on Circuits and Systems, (ISCAS 2005), Kobe, Japan, May 2005.
84. B.J. Falkowski, C.C. Lozano, and S. Rahardja, “Generation and Properties of New Fastest Linearly Independent Transforms over GF(2) with Reordering”, Proceedings 38th IEEE International Symposium on Circuits and Systems, (ISCAS 2005), Kobe, Japan, May 2005.
85. S.S. Yao, K.P. Lim, X. Lin, S. Rahardja, “A Post-Processing Algorithm Using Histogram-Driven Anisotropic Diffusion”, Proceedings 38th IEEE International Symposium on Circuits and Systems, (ISCAS 2005), Kobe, Japan, May 2005.
86. S.S. Yao, W.S. Lin, S. Rahardja, X. Lin, E.P. Ong, Z.K. Lu, X.K. Yang, “Perceived Visual Quality Metric Based on Error Spread and Contrast”, Proceedings 38th IEEE International Symposium on Circuits and Systems, (ISCAS 2005), Kobe, Japan, May 2005.
87. X.K Yang, S.S. Yao, K.P. Lim, X. Lin, S. Rahardja, F. Pan, “An Adaptive Edge-preserving Artifacts Removal Filter for Video Post-processing”, Proceedings 38th IEEE International Symposium on Circuits and Systems, (ISCAS 2005), Kobe, Japan, May 2005.
88. S.L. Xie, Z.H. Gu and S. Rahardja, “Multi-Carrier DS-CDMA Systems with Recursive Quaternary Quasi-Orthogonal Sequences”, 61st IEEE Vehicular Technology Conference, (VTC 2004), Stockholm, Sweden, Jun 2005.
89. Z.H. Gu, S.L. Xie and S. Rahardja, “UCHT Complex Sequences for Downlink Multi-carrier DS-CDMA Systems”, 61st IEEE Vehicular Technology Conference, (VTC 2004), Stockholm, Sweden, Jun 2005.
90. Z.G. Li and S. Rahardja, “Customer oriented SNR scalability scheme for scalable video coding”, Visual Communication and Image Processing, (VCIP 2005), Beijing, China, Jul 2005.
91. Z.G. Li, S. Rahardja, X. Lin, W. Yao, “Customer adaptive combined SNR and spatial scalability”, IEEE International Workshop on Multimedia Signal Processing, (MMSP 2005), Shanghai, China, Oct 2005.
92. R.S. Yu, X. Lin, S. Rahardja, H.B. Huang, “MPEG-4 scalable to lossless audio coding: emerging international standard for digital audio compression”, International Workshop on Multimedia Signal Processing, (MMSP 2005), Shanghai, China, Oct 2005.
93. S. Xie, Z. Gu, S. Rahardja, J.C. Wong, Y. Xin, “Selection of Spreading Sequence Subsets for DS-CDMA Systems over Multipath Channels”, 5th International Conference on Information, Communications and Signal Processing, (ICICS 2005), Bangkok, Thailand, Dec 2005.
94. H. Huang, X. Lin, S. Rahardja, R. Yu, “Integer DFT with High Transform Accuracy”, 5th International Conference on Information, Communications and Signal Processing, (ICICS 2005), Bangkok, Thailand, Dec 2005.
95. C.H. You, S.N. Koh, S. Rahardja, L. Shue, F. Sattar, “Experiment of Masking-Based Beta-Order MMSE Speech Enhancement in a Car Noise Environment”, 5th International Conference on Information, Communications and Signal Processing, (ICICS 2005), Bangkok, Thailand, Dec 2005.
96. T. Li, S. Rahardja, R.S. Yu, S.N. Koh, “Study on rounding errors of IntMDCT in perceptual audio coding”, 7th IEEE International Symposium on Multimedia, (ISM 2005), Irvine, California, USA, pp. 753-758, Dec 2005.
97. S.S. Yao, W.S. Lin, S. Rahardja E.P. Ong, Z.K. Lu, “Video quality evaluation based on wavelet visible difference measure”, 2nd International Workshop on Video Processing and Quality Metrics for Consumer Electronics, (VPQM 2006), Scottsdale, Arizona, USA, Jan 2006.
98. W.S. Lin, Z.K. Lu, S. Rahardja E.P. Ong, S.S. Yao, “Visual processing driven by perceptual quality gauge: a perspective”, 2nd International Workshop on Video Processing and Quality Metrics for Consumer Electronics, (VPQM 2006), Scottsdale, Arizona, USA, Jan 2006.
99. C.C. Lozano, B.J. Falkowski and S. Rahardja, “Algorithm for generation of quaternary fixed polarity arithmetic spectra”, Proceedings 39th IEEE International Symposium on Circuits and Systems, (ISCAS 2006), Kos, Greece, May 2006.
100. B.J. Falkowski, C.C. Lozano, and S. Rahardja, “Efficient computation of fixed polarity arithmetic expansions for ternary functions”, Proceedings 39th IEEE International Symposium on Circuits and Systems, (ISCAS 2006), Kos, Greece, May 2006.
101. C.C. Lozano, B.J. Falkowski and S. Rahardja, “Properties and Hardware Implementation of New Fastest Linearly Independent Ternary Arithmetic Transforms”, Proceedings 15th Workshop on Post Binary Ultra-Large Scale Integration, (WPBULSI 2006), Singapore, pp. 7-10, May 2006.
C.H. You, S. Rahardja and S.N. Koh, “Perceptual Kalman filtering speech enhancement”, 31st International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2006), Toulouse, France, May 2006.
103. H.B. Huang, S. Rahardja, X. Lin, R.S. Yu and P. Franti, “Cascaded RLS-LMS prediction in MPEG-4 lossless audio coding”, 31st International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2006), Toulouse, France, May 2006.
104. Z.L. Yu, W. Ser and S. Rahardja, “QR-RLS based minimum variance distortionless responses beamformer”, 31st International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2006), Toulouse, France, May 2006.
105. Z. Gu and S. Xie and S. Rahardja, “Asynchronous Multi-Carrier DS-CDMA with UCHT-Based Complex Spreading Sequences,” Proceedings 63rd Vehicular Technology conference (VTC 2006), Melbourne, Australia, pp. 1349-1352, May 2006.
106. R. Geiger, R.S. Yu, J. Herre, S. Rahardja, S.W. Kim, X. Lin, M. Schmidt, “ISO/IEC MPEG-4 High-Definition Scalable Advanced Audio Coding”, 120th AES Convention, Convention Paper 6791, Paris, France, May 2006.
107. T. Li, S. Rahardja and S.N. Koh, “Perceptually enhanced bit-plane coding for scalable audio”, IEEE International Conference on Multimedia & Expo, (ICME 2006), Canada, Jul 2006.
108. Y.W. Zhu, Q.B. Sun and S. Rahardja, “Detecting musical sounds in broadcast audio based on pitch tuning analysis”, IEEE International Conference on Multimedia & Expo, (ICME 2006), Toronot, Canada, Jul 2006.
109. B.J. Falkowski, C.C. Lozano and S. Rahardja, “Generalized Fastest LIA Transform Spectra Calculation by Systolic Processor”, Proceedings IEEE International Symposium on Information Theory, (ISIT 2006), Seattle, Washington, USA, pp. 2017-2021, Jul 2006.
110. S.L. Xie, Z.H. Gu and S. Rahardja, “Complex Hadamard transform-based quaternary quasi-orthogonal sequences and allocation for DS-CDMA systems”, 10th International Conference on Communications Systems, (ICCS 2006), Singapore, Oct 2006.
111. J. Yuan, Q.B. Sun and S. Rahardja, “Server-Assisted Prefetching for Internet Streaming Media Delivery”, SPIE Optis East, Oct 2006.
112. T. Li, S. Rahardja and S.N. Koh, “Perceptually Prioritized Bit-Plane Coding for High-Definition Advanced Audio Coding”, IEEE International Symposium on Multimedia, (ISM 2006), San Diego, USA, Dec 2006.
113. B.J. Falkowski, C.C. Lozano and S. Rahardja, “Disjoint Cubes Generation Algorithm for Multiple-Valued Functions”, Proceedings 8th IEEE Asia-Pacific Conference on Circuits and Systems, (APCCAS 2006), Singapore, Dec 2006.
114. T. Li, S. Rahardja and S.N. Koh, “Switchable Bit-Plane Coding for High-Definition Advanced Audio Coding”, 13th International Multimedia Modeling Conference, (MMM 2007), Singapore, Jan 2007.
115. Z.H. Gu, W.S. Lin, Z.K. Lu and S. Rahardja, “Perception-based distributed image coding”, 3rd International Workshop on Video Processing and Quality Metrics for Consumer Electronics, (VPQM 2007), Scottsdale, Arizona, USA, Jan 2007.
116. Z. G. Li, W. Yao and S. Rahardja, “Motion Refined Medium Granular Scalability for Scalable Video Coding”, Visual Communication and Image Processing, (VCIP 2007), San Jose, California, USA, Jan 2007.
117. J.L. Yuan, Q.B. Sun and S. Rahardja, “A more aggressive prefetching scheme for streaming media delivery over the internet”, Visual Communication and Image Processing, (VCIP 2007), San Jose, California, USA, Jan 2007.
118. C.H. You, S. Rahardja and S.N. Koh, “Autoregressive parameter estimation for Kalman filtering speech enhancement”, 32nd International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2007), Hawaii, USA, Apr 2007.
119. J. Cheng, A.C. Kot and S. Rahardja, “Steganalysis of binary cartoon image using distortion measure”, 32nd International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2007), Hawaii, USA, Apr 2007.
120. W. Yao, Z. G. Li and S. Rahardja, “Balanced Inter-layer Prediction for Combined Coarse Granular Scalability and Spatial Scalability”, IEEE International Symposium on Circuits and Systems, (ISCAS 2007), New Orleans, USA, May 2007.
121. T. Li, S. Rahardja and S.N. Koh, “Adaptive bit-plane coding for scalable audio”, IEEE International Conference on Multimedia & Expo, (ICME 2007), Beijing, China, pp. 340-343, Jul 2007.
122. H.J. Yang, A.C. Kot, S. Rahardja and X.D. Jiang, “High capacity data hiding for binary images in morphological wavelet transform domain”, IEEE International Conference on Multimedia & Expo, (ICME 2007), Beijing, China, Jul 2007.
123. S.L. Xie, S. Rahardja and Z.G. Li, “Wyner-Ziv image coding from random projections”, IEEE International Conference on Multimedia & Expo, (ICME 2007), Beijing, China, Jul 2007.
124. Z.K. Lu, J.H. Zheng, W.S. Lin, S.Q. Wu and S. Rahardja, “An adaptive deblocking filter for ROI-based scalable video coding”, IEEE International Conference on Multimedia & Expo, (ICME 2007), Beijing, China, Jul 2007.
125. E.W.K. Chin, H.W. Sun, T.L. Nwe, T.H. Nguyen, B. Ma, E.S. Chng, H.Z. Li and S. Rahardja, “Using direction of arrival estimate and acoustic feature information in speaker diarization”, INTERSPEECH 2007, Antwerp, Belgium, Aug 2007.
126. S.E. Nai, W. Ser, Z.L. Yu and S. Rahardja, “Iterative robust capon beamformer”, 14th IEEE Statistical Signal Processing Workshop 2007, (ISP 2007), Madison, WI, USA, pp. 542-545, Aug 2007.
127. A. Chia, S.M.K. Leung, H.L. Eng and S. Rahardja, “Ellipse detection with Hough transform in one dimensional parametric space”, IEEE International Conference on Image Processing, (ICIP 2007), Texas, USA, Sep 2007.
128. E.S. Ng, J.Y. Tham and S. Rahardja, “Edge weighted spatio-temporal search for error concealment”, IEEE International Conference on Image Processing, (ICIP 2007), Texas, USA, Sep 2007.
129. Z. Li, W. Yao, S. Xie and S. Rahardja, “Hypothetical reference decoder for H.264 over channel with jitter”, SPIE Optics East, Multimedia Systems and Application X, Vol. 6777, Boston, Massachusetts, USA, Sep 2007.
130. Y.H. Tan, Z. Li and S. Rahardja, “Fast mode decision in fine granularity scalability motion refinement”, SPIE Optics East, Multimedia Systems and Application X, Vol. 6777, Boston, Massachusetts, USA, Sep 2007.
131. E.S. Ng, J.Y. Tham and S. Rahardja, “Error concealment using weighted sum of macroblocks”, SPIE Optics East, Multimedia Systems and Application X, Vol. 6777, Boston, Massachusetts, USA, Sep 2007.
132. T.J. Wee, L. Chaisorn and S. Rahardja, “A design of real time image capturing and processing system using Texas Intrument’s processor”, SPIE Optics East, Multimedia Systems and Application X, Vol. 6777, Boston, Massachusetts, USA, Sep 2007.
133. Z.G. Li, W. Yao, S. Rahardja and S.L. Xie, “New framework for optimization of scalable video coding”, IEEE Workshop on Signal Processing System, (SIPS 2007), Shanghai, China, Oct 2007.
134. T. Li, S. Rahardja and S.N. Koh, “Perceptual enhancement for fully scalable audio”, IEEE International Workshop on Multimedia Signal Processing, (MMSP 2007), Greece, pp. 31-34, Oct 2007.
135. D.Y. Huang, H.B. Huang and S. Rahardja, “Maximum a posteriori based adaptive algorithm”, 41st ASILOMAR Conference on Signals, Systems and Computers, San Francisco, California, USA, Nov 2007.
136. T. Li, S. Rahardja and S.N. Koh, “A fully scalable audio coding structure with embedded psychoacoustic model”, 33rd International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2008), Las Vegas, USA, Apr 2008.
137. L. Cen, W. Ser, Z.L. Yu and S. Rahardja, “An improved genetic algorithm for aperiodic array synthesis”, 33rd International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2008), Las Vegas, USA, Apr 2008.
138. W. Yao, Z.G. Li and S. Rahardja, “Early Detection of All-Zero Block in H.264 with New Rate-Quantization Models”, Proceedings 41st IEEE International Symposium on Circuits and Systems, (ISCAS 2008), Washington, Seattle, May 2008.
139. E.S. Ng, J.Y. Tham and S. Rahardja, “A new integrated spatio-temporal framework for video error concealment”, 17th International Conference on Computer Communications and Networks (ICCCN 08), St. Thomas U.S. Virgin Islands, May 2008.
140. J. Zhang, J. Cai, W. Guan, J. Zheng and S. Rahardja, “Re-examination of applying wavelet based progressive image coder for 3D semi-regular mesh”, IEEE International Conference on Multimedia & Expo, (ICME 2008), Hannover, Germany, Jun 2008.
141. C.H. You, S. Rahardja and H. Li, “Speech enhancement for telephony name speech recognition”, IEEE International Conference on Multimedia & Expo, (ICME 2008), Hannover, Germany, Jun 2008.
142. A. Chia, S. Rahardja, “Category-level detection based on object structures”, 16th European Signal Processing Conference, (EUSIPCO 2008), Lausanne, Switzerland, Aug 2008.
143. L. Chaisorn and S. Rahardja, “Ordinal-based method for robust image/video signature generation”, Society of Photo-Optical Instrumentation Engineers (SPIE), San Diego, California, USA, Aug 2008.
144. T. Li, S. Rahardja and S.N. Koh, “Efficient stereo bitrate allocation for fully scalable audio codec”, International Workshop on Multimedia Signal Processing, (MMSP 2008), Cairns, Queensland, Australia, pp.921-926, Oct 2008.
145. A. Chia, D. Rajan, M. Leung and S. Rahardja, “A split merge based ellipse detector” IEEE International Conference on Image Processing (ICIP), San Diego, California, USA, Oct 2008.
146. T. Li, L. Liew and S. Rahardja, “A multi-quality music managing system for internet music store” IEEE 9th International Conference on Signal Processing (ICSP 2008), pp. 2685-2688, Beijing, China, Oct 2008.
147. E.C.W. Koh, H.W. Sun, T.L. New, T.H. Nguyen, B. Ma, E.S. Chng, H.Z. Li and S. Rahardja, “Speaker diarization using direction of arrival estimate and acoustic feature estimation: The I2R-NTU submission for the NIST RT 2007 Evaluation”, CLEAR 2007 and RT 2007, Lecture notes in Computer Science 4625, R. Steifelhagen et. Al. (Eds.), Springer-Verlag Berlin Heidelberg, pp. 484-496, 2008.
148. E.P. Ong, S.Q. Wu, M.H. Loke, S. Rahardja, J. Tay, C.K. Tan and L. Huang, “Video quality monitoring of streamed videos”, 34th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2009), Taipei, Taiwan, Apr 2009.
149. T. Li and S. Rahardja, “MPEG-4 scalable lossless audio transparent bitrate and its application”, 34th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2009), Taipei, Taiwan, Apr 2009.
150. L.N. Tin, H.W. Sun, H. Li and S. Rahardja, “Speaker diarization in meeting audio”, 34th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2009), Taipei, Taiwan, Apr 2009.
151. T. Li and S. Rahardja, “Transparent bitrate estimation for perceptual audio coding”, the 4th IEEE conference on Industrial Electronics and Applications, (ICIEA 2009), Xi’an, China, May 2009.
152. D.Y. Huang and S. Rahardja, “The misadjustment of the cascaded LMS prediction filter”, Proceedings 42nd IEEE International Symposium on Circuits and Systems, (ISCAS 2009), Taipei, Taiwan, May 2009.
153. H.L. Tan, Y.W. Zhu, S. Rahardja and L. Chaisorn, “Rhythm analysis for personal and social music applications using drum loop patterns”, IEEE International Conference on Multimedia & Expo, (ICME 2009), New York, USA, Jun 2009.
154. M.J. Yang, J.Y. Tham, S. Rahardja and D.J. Wu, “Real-time H.264 encoder implementation on a lowpower digital signal processor”, IEEE International Conference on Multimedia & Expo, (ICME 2009), New York, USA, Jun 2009.
155. H.L. Tan, Y.W. Zhu and S. Rahardja, “Drum loop pattern extraction from polyphonic music audio”, IEEE International Conference on Multimedia & Expo, (ICME 2009), New York, USA, Jun 2009.
156. H.L. Tan, Y.W. Zhu, S. Rahardja and L. Chaisorn, “Rhythm analysis for personal and social music applications using drum loop patterns”, IEEE Int’l Workshop on Media Information Analysis for Personal and Social Applications, New York, USA, Jun 2009.
157. L. Chaisorn, C. Manders and S. Rahardja, “Video retrieval – Evolution of video segmentation, indexing and search”, Proceedings of IEEE International Conference on Computer Science and Information Technology (ICCSIT 2009), Beijing, China, Aug 2009.
158. T. Li, S. Rahardja, H.Y. Shu and H.B. Huang, “Information Embedding in MPEG-4 Scalable Lossless Audio”, 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, Kyoto, Japan, pp. 21-24, Sep 2009.
159. D.Y. Huang, S. Rahardja and E.P. Ong, “Biologically inspired algorithms for enhancement of speech intelligibility over telephone channel”, IEEE International Workshop on Multimedia Signal Processing, (MMSP 2009), Rio de Janeiro, Brazil, Oct 2009.
160. C.H. You, S.N. Koh, H.Z. Li and S. Rahardja, “Improved adaptive beta-order MMSE speech enhancement”, Asia-Pacific Signal and Information Processing Association, (APSIPA-ASC 2009), Sapporo, Japan, Oct 2009.
161. Y.W. Zhu, C.M. Manders, F. Farbiz and S. Rahardja, “Music feature analysis for synchronization with dance animation”, IEEE Tencon 2009, Singapore, Nov 2009.
162. Z.K. Lu and S. Rahardja, “Realistic HDR tone-mapping based on contrast perception matching”, IEEE International Conference on Image Processing, (ICIP 2009), Cairo, Egypt, Nov 2009.
163. Z.G. Li, S. Rahardja, S.S. Yao, J.H. Zheng and W. Yao, “High dynamic range compression by half quadratic regularization”, IEEE International Conference on Image Processing, (ICIP 2009), Cairo, Egypt, Nov 2009.
164. Y.H. Tan, W.S. Lee, J.Y. Tham and S. Rahardja, “Complexity scalable rate-distortion optimization for H.264/SVC”, IEEE International Conference on Image Processing, (ICIP 2009), Cairo, Egypt, Nov 2009.
165. H.Y. Shu, H.B. Huang, T. Li and S. Rahardja, “Bit plane coding for source with generalized Gaussian distribution”, IEEE International Symposium on Multimedia, San Diego, California, USA, Dec 2009.
166. I.R. Khan, Z.Y. Huang, F. Farbiz, C.M. Manders and S. Rahardja, “HVS based histogram adjustment for global tone mapping”, SIGGRAPH ASIA 2009, Sketch, Yokohama, Japan, Dec 2009.
167. S. Rahardja, F. Farbiz, C. Manders, Z.Y. Huang, S.L. Ng, I.R. Khan, E.P. Ong and P. Song, “Eye HDR: Gaze-adaptive system for displaying High-Dynamic-Range Images”, SIGGRAPH Asia 2009 Art Gallery
& Emerging Technology, Yokohama, Japan, Dec 2009.
168. Z.K. Lu and S. Rahardja, “A Contrast Perception Matching based HDR Tone-Mapping Operator”, SIGGRAPH ASIA 2009, Poster no. 51, Yokohama, Japan, Dec 2009.
169. D.Y. Huang, E.P. Ong, S. Rahardja, M.H. Dong and H.Z. Li, “Transformation of vocal characteristics: A review of literature”, International Conference on Machine Vision, Image Processing and Pattern Analysis (MVIPPA 200), Bangkok, Thailand, Dec 2009.
170. J.H. Zheng, Z.G. Li, S. Rahardja and S.S. Yao, "Edge-detected detail enhancement through synthesis of multilight images ", Electronic Imaging, IS&T/ SPIE Image Processing: Algorithms and Systems VIII, San Jose, United States, Jan 2010.
171. J.H. Zheng, Z.G. Li, S. Rahardja, S.S. Yao, W. Yao, “Collaborative image processing algorithm for detail refinement and enhancement via multi-light images”, 35th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2010), Dallas, Texas, USA, Mar 2010.
172. Y.H. Tan, W.S. Lee, J.Y. Tham, S. Rahardja, “Non-cooperative optimization of wireless video encoders”, 35th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2010), Dallas, Texas, USA, Mar 2010.
173. H.B. Huang, H.Y. Shu and S. Rahardja, “Bit-plane Arithmetic coding for Laplacian source”, 35th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2010), Dallas, Texas, USA, Mar 2010.
174. H.Y. Shu, H.B. Huang, T. Li and S. Rahardja, “Enhanced scalable to lossless audio coding scheme”, 35th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2010), Dallas, Texas, USA, Mar 2010.
175. W. Yao, Z.G. Li, S. Rahardja, S.S. Yao and J.H. Zheng, “Half-quadratic regularization based de-noising for high dynamic range image synthesis”, 35th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2010), Dallas, Texas, USA, Mar 2010.
176. Z.G. Li, Z.J. Zhu, S.L, Xie, S.Q. Wu, S. Rahardja, “Robust generation of high dynamic range images”, 35th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2010), Dallas, Texas, USA, Mar 2010.
177. Z.J. Zhu, S. Rahardja, S.Q. Wu and P. Franti, “Real-Time Ghost Removal for Composing High Dynamic Range Images”, 5th IEEE Conference on Industrial Electronics and Applications, (ICIEA 2010), Taichung, Taiwan, Jun 2010.
178. Z.G. Li, S.L. Xie, W. Yao, and S. Rahardja, “A Similarity Index in the Complex Domain”, 5th IEEE Conference on Industrial Electronics and Applications, (ICIEA 2010), Taichung, Taiwan, Jun 2010.
179. J. H. Zheng, Z. G. Li, S. S. Yao, W. Yao and S. Rahardja, “Photorealistic Detail Manipulation via Multilight Images”, 5th IEEE Conference on Industrial Electronics and Applications, (ICIEA 2010), Taichung, Taiwan, Jun 2010.
180. W. Yao and S. Rahardja, “Keyframe Detection Using Dynamic Threshold”, 5th IEEE Conference on Industrial Electronics and Applications, (ICIEA 2010), Taichung, Taiwan, Jun 2010.
181. Z.G. Li, W. Yao, S.L. Xie and S. Rahardja, “Price Based Joint Source and Channel Coding for Real Time Video Applications Over the Internet with Flow Rate Management”, 5th IEEE Conference on Industrial Electronics and Applications, (ICIEA 2010), Taichung, Taiwan, Jun 2010.
182. T. Li, R.S. Yu, H.Y. Shu and S. Rahardja, “Fixed Quality Layered Truncation for Scalable Lossless Audio”, 5th IEEE Conference on Industrial Electronics and Applications, (ICIEA 2010), Taichung, Taiwan, Jun 2010.
183. A.Y.S. Chia, S. Rahardja, S.D. Rajan, M.K. Leung, “Object recognition by discriminative combinations of line segments and ellipses”, IEEE Conference on Computer Vision and Pattern Recognition, (CVPR 2010), San Francisco, USA, Jun 2010.
184. Y. Song, S. Rahardja and R.S. Yu, “Beamforming performance of circular microphone array on spherical platform near bottom boundary”, IEEE International Conference on Multimedia & Expo, (ICME 2010), Singapore, Jun 2010.
185. Z.G. Li, S. Rahardja, S.Q. Wu, Z.J. Zhu and S.L. Xie, “Robust movement detection based on new similarity index for HDR imaging”, ACM SIGGRAPH 2010, Los Angeles, California, Jul 2010.
186. M.L. Yuan, G.G. Chua, F. Farbiz and S. Rahardja, “Eye contact with a virtual character using a visionbased head tracker”, 25th Int. Symp Computer and Information Sciences, London, U.K., Sep 2010.
187. Y. Song, R.S. Yu and S. Rahardja, “Beamforming of circular microphone array with sound absorbent cylinder”, European Signal Processing Conference (EUSIPCO 2010), Aalborg, Denmark, Aug 2010.
188. S.Q. Wu, S.L. Xie, S. Rahardja and Z.G. Li, “A robust and fast anti-ghosting algorithm for high dynamic range imaging”, IEEE International Conference on Image Processing, (ICIP 2020), Hong Kong, Oct 2010.
189. Z.J. Zhu, S. Rahardja, Z.G. Li and P. Franti, “Detecting and composing near-identical HDR images without exposure information”, IEEE International Conference on Image Processing, (ICIP 2020), Hong Kong, Oct 2010.
190. Z.G. Li, S. Rahardja, Z.J. Zhu, S.L. Xie and S.Q. Wu, “Movement detection for the synthesis of high dynamic range images”, IEEE International Conference on Image Processing, (ICIP 2020), Hong Kong, Oct 2010.
191. T.E. Chan, H.B. Huang, S. Rahardja, H.Y. Shu and R.S. Yu, “An Introduction to AVS Lossless Audio Coding”, Convention paper 8285, 129th AES Convention, San Francisco, CA, USA, Nov 2010.
192. Z.G. Li, Z.J. Zhu, S. Rahardja and S.Q. Wu, “Fast patching of moving regions for high dynamic range imaging”, SIGGRAPH ASIA 2010, Poster, Seoul, South Korea, Dec 2010.
193. C.H. Yeo, Y.H. Tan, Z.G. Li and S. Rahardja, “Mode-dependent fast separable KLT for block-based intra coding”, Proceedings 44th IEEE International Symposium on Circuits and Systems, (ISCAS 2011), Rio de Janeiro, Brazil, May 2011.
194. Z.G. Li, J.H. Zheng, C.H. Yeo and S. Rahardja, “Quadratic optimization based small scale details extraction”, 36th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2011), Prague, Czech Republic, Apr 2011.
195. Z.G. Li, Z.J. Zhu and S. Rahardja, “Structural similarity indices for high dynamic range imaging”, 36th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2011), Prague, Czech Republic, Apr 2011.
196. H.Y. Shu, R.S. Yu and S. Rahardja, “Scalable audio streaming based on linear rate-MNR model”, 6th IEEE Conference on Industrial Electronics and Applications, (ICIEA 2011), Beijing, China, Jun 2011.
197. Y.H. Tan, C.H. Yeo, Z.G. Li and S. Rahardja, “Intra-prediction with adaptive sub-sampling”, 18th IEEE International Conference on Image Processing, (ICIP 2011), Brussels, Belgium, Sep 2011.
198. Z.G. Li, Z.J. Zhu and S. Rahardja, “Fast movement detection for high dynamic range imaging”, 18th IEEE International Conference on Image Processing, (ICIP 2011), Brussels, Belgium, Sep 2011.
199. Z.J. Zhu, Z.G. Li, S. Rahardja and P. Franti, De-ghosting of HDR images with double-credit intensity mapping”, 18th IEEE International Conference on Image Processing, (ICIP 2011), Brussels, Belgium, Sep 2011.
200. C.H. Yeo, Y.H. Tan, Z.G. Li and S. Rahardja, “Chroma intra prediction using template matching with reconstructed luma components”, 18th IEEE International Conference on Image Processing, (ICIP 2011), Brussels, Belgium, Sep 2011.
201. Y. Song, S. Rahardja and R.S. Yu, “Direction of arrival estimation using acoustic vector-sensor on sound absorbent cylinder”, 19th European Signal Processing Conference, Barcelona, (EUSIPCO 2011), Spain, Sep 2011.
202. D.Y. Huang, S.S. Ge, Z.C. Zhang and S. Rahardja, “Speaker state classification based on fusion of asymmetric SIMPLS and support vector machines”, Interspeech 2011, Florence, Italy, 28-31 Aug 2011.
203. R. Yu, D.J. Wu, J.P. Chen, and S. Rahardja, “Low-complexity priority based packet scheduling for streaming MPEG-4 SLS”, IEEE International Workshop on Multimedia Signal Processing, (MMSP 2011), Hangzhou, China, Oct 2011.
204. R. Yu, H.Y. Shu and S. Rahardja, “An adaptive streaming system for MPEG-4 Scalable to Lossless Audio”, IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, Mohonk Mountain House, New Paltz, NY, USA, Oct 2011.
205. H.Y. Shu, R. Yu, H.B. Huang and S. Rahardja, “Normalization of LPC Residue for Random Access Frame in Audio Coding”, IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, Mohonk Mountain House, New Paltz, NY, USA, Oct 2011.
206. R.S. Yu, W.X. Yang and S. Rahardja, “Optimal Real-Time Price Based on a Statistical Demand Elasticity”, 2nd IEEE International Conference on Smart Grid Communications, Belgium, Nov 2011.
207. J.H. Zheng, Z.G. Li and S. Rahardja, “Detail-Enhanced Fusion of Differently Exposed Images”, 8th International Conference on Information, Communications and Signal Processing (ICICS 2011), Singapore China, Nov 2011.
208. T.F. Wee, Z.Y. Huang, F. Farbiz, J.T. Cher, L.C. Ching and S. Rahardja, “Ungrounded Handheld Device for Simulating High-Forces of Ball Impacts in Virtual Tennis”, SIGGRAPH Asia 2011 Emerging Technology, Hong Kong, Dec 2011.
209. Z.G. Li, C.H. Yeo, Y.H. Tan and S. Rahardja, “A Local Intensity Adaptive Structural Similarity Index”, 37th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2012), Kyoto, Japan, Mar 2012.
210. W. Yao, Z.G. Li and S. Rahardja, “Noise Reduction for Differently Exposed Images”, 37th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2012), Kyoto, Japan, Mar 2012.
211. S.L. Xie and S. Rahardja, “An Alternating Direction Method For Frame-Based Image Deblurring With Balanced Regularization”, 37th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2012), Kyoto, Japan, Mar 2012.
212. Z.G. Li, J.H. Zheng, Z.J. Zhu, S.Q. Wu and S. Rahardja, “A Bilateral Filter in Gradient Domain”, 37th International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2012), Kyoto, Japan, Mar 2012.
213. W.X. Yang, R.S. Yu and S. Rahardja, “Benefits to consumers under RTP with a statistical demand model”, IEEE PES Innovative Smart Grid Technologies Asia, Tianjin, China, May 2012.
214. Z.G. Li, Z.J. Zhu, S.Q. Wu, J.H. Zheng and S. Rahardja, “Fast Correction of Moving Regions for Differently Exposed Images with Moving Objects”, 7th IEEE Conference on Industrial Electronics and Applications, (ICIEA 2012), Singapore, Jun 2012.
215. Y. Song, R.S. Yu and S. Rahardja, “LMS in Prominent System Subspace for Fast System Identification”, IEEE Statistical Signal Processing Workshop, Ann Arbor, USA, Aug. 2012.
216. Z.J. Zhu, Z.G. Li, S. Rahardja, P. Franti, “2D Denoising Factor for High Dynamic Range Imaging”, 39th ACM International Conference and Exhibition on Computer Graphics and Interactive Techniques (SIGGRAPH), Los Angeles, USA, Aug. 2012.
217. J.H. Zheng, Z.G. Li, Z.J. Zhu, S.Q. Wu, S. Rahardja, “Patching of Moving Object for Ghosting-free HDR Synthesis”, 39th ACM International Conference and Exhibition on Computer Graphics and Interactive Techniques (SIGGRAPH), Los Angeles, USA, Aug. 2012.
218. W. Yao, L.P. Chau and S. Rahardja, “Joint Rate Allocation for Statistical Multiplexing of SVC”, 19th IEEE International Conference on Image Processing, (ICIP 2012), Orlando, Florida, USA, Sep 2012.
219. Z.G. Li, S.Q. Wu, Z.J. Zhu, S.L. Xie and S. Rahardja, “Anti-ghost of Differently Exposed Images With Moving Objects”, 19th IEEE International Conference on Image Processing, (ICIP 2012), Orlando, Florida, USA, Sep 2012.
220. H.Y. Shu, R.S. Yu and S. Rahardja, “Dynamic Incentive Strategy for Voluntary Demand Response based on TDP Scheme”, Asia-Pacific Signal Information Processing Association, APSIPA ASC 2012, Los Angeles, USA, Dec 2012.
221. H.L. Tan, Y.H. Tan, Z.G. Li, S. Rahardja and C.H. Yeo, “Perceptually Relevant Energy Function For SEAM Carving”, 38th IEEE International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2013), Vancouver, Canada, Apr 2013.
222. H. Zhou, H.Y. Shu, R. Yu, H.B. Huang and S. Rahardja, “A Novel Scalable Audio Coding Scheme”, 38th IEEE International Conference on Acoustic, Speech and Signal Processing, (ICASSP 2013), Vancouver, Canada, Apr 2013.
223. R.S. Yu, H.Y. Shu and S. Rahardja, “Time-Utility Function Based Packet Scheduling Algorithm for Streaming Scalable Media”, The 2013 IEEE International Conference on Multimedia and Expo, San Jose, California, USA, July 2013.
224. J.H. Zheng, Z.G. Li, S.Q. Wu, Z.J. Zhu, W. Yao and S. Rahardja, “Perceptually Fine Detail Extraction From A Vector Field”, The 2013 IEEE International Conference on Multimedia and Expo (ICME 2013), San Jose, California, USA, July 2013.
225. Z.G. Li, J.H. Zheng, S.Q. Wu, Z.J. Zhu, W. Yao and S. Rahardja, “Content Adaptive Bilateral Filtering”, The 2013 IEEE International Conference on Multimedia and Expo Workshop, San Jose, California, USA, July 2013.
226. H.B. Huang and S. Rahardja, “A New R-D Estimation Method for Compressed Domain MP3/AAC Bit-Rate Reduction”, The 2014 International Conference on Ubiquitous Information Management and Communication, Siem Reap, Cambodia, Jan. 2014.
227. H.B. Huang and S. Rahardja, “A New Error-Mapping Scheme for Scalable Audio Coding”, IEEE International Workshop on Multimedia Signal Processing, (MMSP 2014), Jakarta, Indonesia, Sep 2014.
Granted Patents
Total Granted Patents: 79
Total Granted Primary Patents: 11

1. Z.L. Yu, M. Zhang, H. Lan, S. Rahardja, “Adaptive Control System for Noise Cancellation”, US7092529, 15 Aug 2006.
2. R.S. Yu, S. Rahardja, X. Lin, “Method and a Device for Processing Bit Symbols Generated by a Data Source; a Computer Readable Medium; a Computer Program Element'”, US7532763, 12 May 2009, also published as CN1695306A, CN1695306B, DE60228139D1, EP1573922A1, EP1573922B1, EP1573922B9, US20060200709, WO2004042933A1.
3. R. Yu, X. Lin, S. Rahardja, “Context-Based Encoding and Decoding of Digital Signals”, US7656319, 2 Feb 2010, also published as CN100584023C, CN101015216A, EP1774791A1, EP1774791A4, EP2006839A2, EP2006839A3, US20080094259, WO2006006936A1.
4. R.S. Yu, X. Lin, S. Rahardja, “Systems and methods for scalably encoding and decoding data”, US7994946, 9 Aug 2011, also published as CN101015125A, CN101015125B, DE602004020936D1, EP1756950A1, EP1756950A4, EP1756950B1, EP2077620A1, EP2077620B1, US20110001642, WO2005122408A1, WO2005122408A8.
5. K.P. Lim, D.J. Wu, S. Wu, S. Rahardja, F. Pan, X. Lin, Z.G. Li, “Mode Decision for Inter Prediction in Video Coding”, US8094720, 10 Jan 2012, also published as CN1934871A, CN1934871B, EP1687985A1, EP1687985A4, US20070140337, WO2005020588A1.
6. H.B. Huang, X. Lin, S. Rahardja, R.S. Yu, “Method for Transforming a Digital Signal from the Time Domain into the Frequency Domain and Vice Versa”, US8126951, 28 Feb 2012, also published as EP1668533A1, EP1668533A4, EP1668534A1, EP1668534A4, EP1687736A1, US8126950, US20070276893, US20070276894, US20080030385, WO2005031595A1, WO2005031596A1, WO2005031597A1.
7. Z.K. Lu, W.S. Lin, Z.G. Li, K.P. Lim, X. Lin, S. Rahardja, E.P. Ong, S.S. Yao, “Method for Encoding a Picture, Computer Program Product and Encoder”, US8224102, 17 Jul 2012, also published as US20090324113, WO2006107280A1.
8. Z.G. Li, X.K. Yang, K.P. Lim, X. Lin, S. Rahardja, F. Pan, “Scalable Video Coding with Grid Motion Estimation and Compensation”, US8249159, 21 Aug 2012, also published as CN100588257C, CN101049026A, EP1774793A1, EP1774793A4, US20080013630, WO2006001777A1.
9. T. Li, S. Rahardja, H.B. Huang, “Method and Device of Bitrate Distribution/Truncation of Scalable Audio Coding”, US8442836, 14 May 2013, also published as EP2248263A1, EP2248263A4, EP2248263B1, US20110046945, WO2009096898A1.
10. R.S. Yu, X. Lin, S. Rahardja, “Method for Encoding a Digital Signal into a Scalable Bitstream; Method for Decoding a Scalable Bitstream”, US8446947, 21 May 2013, also published as CN1890711A, CN1890711B, DE602004013031D1, DE602004013031T2, EP1673764A1, EP1673764A4, EP1673764B1, EP1939863A2, US8446947, US20070274383, WO2005036528A1.
11. J.H. Zheng, Z.G. Li, S. Rahardja, “Method and a Device for Merging a Plurarity of Digital Pictures”, US8687883, 1 Apr 2014.