Editorial Board

1. 2003-present: Associate Editor, IEEE Transaction on Circuits and Systems for Video Technology
2. 2003-present: Member, Editorial Board, International Journal of Visual Communication and Image Representation

Technical Committee Leadership

1. 1999-present: Member, Visual Signal Processing and Communications Technical Committee, IEEE Circuits and Systems Society
2. Secretary, IEEE CAS VSPC TC since May 2008
3. 2005-present: Member, Multimedia Systems and Applications Technical Committee, IEEE Circuits and Systems Society
4. 2003-2007: Member, Multimedia Signal Processing Technical Committee, IEEE Signal Processing Society
5. 2009-present: Member, Multimedia Communication Technical Committee, IEEE Communication Society

Conference Leadership

1. 2010: General Chair, Visual Communication and Image Proceeding 2010 (VCIP 2010), Huang Shan, China.
2. 2010: General Chair, Challenge of Image and Video Retrieval 2010 (CIVR 2010), Xi’An, China
3. 2009: Member, Technical Program Committee, 2009 IEEE International Symposium on Broadband Multimedia System and Broadcasting (BMSB 2009), Bilbao, Spain
4. 2009: Member, Program Committee, Pacific-Rim Symposium on Image and Video Technology 2009 (PSIVT 2009), Tokyo, Japan
5. 2009: Track Chair, Visual Signal Processing and Communications Track, IEEE International Symposium on Circuits and Systems 2009 (ISCAS 2009), Taipei, China
6. 2009: Member, Program Committee and Award Committee, Visual Communications and Image Processing 2009 (VCIP 2009), San Jose, USA.
7. 2008: Program Chair, Pacific-Rim Conference on Multimedia 2008 (PCM 2008), Tainan, Taiwan
8. 2008: Asia Liaison, IEEE International Conference on Multimedia and Expo 2008 (ICME 2008), Hannover, Germany
9. 2008: Member, Program Committee, Pacific-Rim Symposium on Image and Video Technology 2008 (PSIVT 2008), Santiago, Chile
10. 2007: Special Session Chair, and Invited Panelist, IEEE International Conference on Multimedia and Expo 2007 (ICME 2007), Beijing, China
11. 2007: Member, International Steering Committee, Picture Coding Symposium 2007 (PCS 2007), Lisbon, Portugal
12. 2007: Member, International Advisory Committee, and Award Chair, The IEEE 2007 Workshop on Signal Processing Systems (SiPS 2007), Shanghai, China
13. 2007: Member, Technical Program Committee, Packet Video Workshop 2007 (PV 2007), Lausanne, Switzerland
14. 2006: Track Chair, Multimedia Signal Coding and Processing Track, IEEE International Conference on Multimedia and Expo 2006 (ICME 2006), Toronto, Canada
15. 2006: General Chair, Packet Video Workshop 2006 (PV 2006), Hangzhou, China
16. 2006: Member, Technical Committee, the 14th European Signal Processing Conference (EUSIPCO 2006), Florence, Italy
17. 2006: Theme Chair, and Invited Speaker, Multimedia Compression and Transmission Theme, Pacific-Rim Symposium on Image and Video Technology 2006 (PSIVT 2006), Hsinchu, Taiwan
18. 2006: Member, Program and Local Committees, and Invited Panelist, Picture Coding Symposium 2006 (PCS 2006), Beijing, China
19. 2006: Publicity Chair, IEEE International Symposium on Multimedia 2006 (ISM 2006), San Diego, USA
20. 2005: Program Chair, Visual Communication and Image Processing 2005 (VCIP 2005), Beijing, China
21. 2001: Local Chair, The Second IEEE Pacific Rim Conference on Multimedia 2001 (PCM’01), Beijing, China
22. 2000: Special/Tutorial Sessions Chair, The First IEEE Pacific Rim Conference on Multimedia 2000 (PCM’00), Sydney, Australia

Referee

1996-present: Frequent reviewers for numerous international conferences and journals, including, ICIP, ICME, ISCAS, ICASSP, VCIP, PV, PCS, PSIVT, PCM, MMSP, PSIVT, EUSIPO, and T-CSVT, T-MM, T-SP, T-IP, JCVI, etc.

Adjunct Positions at Universities

1. 2001-present: Guest Professor and Ph.D. Supervisor, University of Science and Technology of China, Hefei, China
2. 2004-present: Guest Professor and Ph.D. Supervisor, Shanghai Jiaotong University, Shanghai, China
3. 2006-present: Adjunct Professor, Chinese University of Hong Kong, Hong Kong, China
4. 2006-present: Adjunct Professor, Tianjin University, Tianjin, China
5. 2006-present: Adjunct Professor, Nankai University, Tianjin, China
6. 2003-present: Adjunct Professor, Huazhong University of Science and Technology, Wuhan, China
7. 2002-present: Guest Professor, Shandong University, Jinan, China
8. 2001-present: Guest Professor, Sichuan University, Chengdu, China
9. 2003-present: Have been directly supervising 12 Ph.D. students