Professional Activities:

Editorial board:

· (*NEW*) Steering Committee Member, IEEE Transactions on Multimedia. (since June 2009).

· (*NEW*) Associate Editor, IEEE Transactions on Information Forensics & Security (since 2009).

· Guest co-Editor (with Chang Wen Chen and Ralf Steinmetz), the Proceedings of the IEEE, Special Issue on Recent Advances in Distributed Multimedia Communications, published in January 2008. (See Guest Editorial)

· Editor (ComSoc representative), IEEE Multimedia Magazine (since 2007).

· Associate Editor, IEEE Transactions on Multimedia. (since 2005).

· Lead Guest Editor, IEEE Transactions on Multimedia Special Issue on Streaming Media, April 2004. (See Guest Editorial)

· Guest editor, Special Issue on “Informing Clientele through Networked Multimedia Information Systems”, Journal of Informing Science (vol. 2, no. 4, 1999 and vol.3, no.1, 2000).

Technical committee:

· Elected member of IEEE Signal Processing Society's Multimedia Signal Processing Technical Committee (2006- ).

· Vice Chair, IEEE Communication Society's Multimedia Communications Technical Committee (2003- ).

· Member of IEEE Circuits & Systems Society's Multimedia Systems and Applications Technical Committee (2007- ).

· Technical Program Vice Chair, IEEE International Conference on Multimedia and Expo, Cancun, Mexico, June 2009.

· TPC member, Packet Video Workshop, Seattle, WA, May 2009.

· Steering committee member, 2010 IEEE Consumer Communications and Networking Conference, Las Vegas, Jan. 2010.

· Steering committee member, 2009 IEEE Consumer Communications and Networking Conference, Las Vegas, Jan. 2009.

· Conference Special Session co-Chair, IEEE International Workshop on Multimedia Signal Processing, 2008.

· Steering committee member, , 2008 IEEE Consumer Communications and Networking Conference, Las Vegas, Jan. 2008.

· Organizing Committee Member (Publication co-Chair), IEEE International Conference on Multimedia and Expo, Beijing, China, June 2007.

· TPC Member (Short Paper), ACM Multimedia, Santa Barbara, CA, Oct. 2006.

· Technical Program Chair, 2007 IEEE Consumer Communications and Networking Conference, Las Vegas, Jan. 2007.

· Technical Program Vice-Chair, 2006 IEEE Consumer Communications and Networking Conference, Las Vegas, Jan. 2006.

· Panelist, Panel on “Distributed Multimedia Content Streaming over Collaborative Networks,” IEEE International Workshop on Multimedia Signal Processing, Shanghai, China, Oct. 2005.

· Conference Special Session Chair and Tutorial Chair, IEEE International Workshop on Multimedia Signal Processing, Shanghai, China, Oct. 2005.

· Technical program Co-Chair, Multimedia Communications and Home Networking Symposium, IEEE Inter. Conf. Communication, Korea, May 2005.

· Chair, Workshop on Digital Rights Management Impact on Consumer Communications, a joint effort between 2005 IEEE Consumer Communications and Networking Conference, and 2005 International Consumer Electronics Show (CES), Las Vegas, Jan. 2005. Click here for workshop program and to download presentation files.

· TPC Member, IEEE International Conference on Multimedia and Expo, Taipei, Taiwan, June 2004.

· TPC Member, Multimedia Technologies and Services Symposium, the 2004 International Conference on Communications (ICC 2004), Paris, France, June 20-24, 2004.

· Technical Program Committee Member, Next Generation Networks and Internet Symposium, IEEE Global Communications Conference, San Francisco, CA, USA, Dec. 2003.

· Technical Program Committee Member, IEEE International Conference on Multimedia and Expo, Baltimore, MD, July 2003.

· Technical Program Committee Member, 13th International Packetvideo Workshop, Nantes, France, April 28-30, 2003.

· Technical Program Committee Member, IEEE International Conference on Multimedia and Expo, Lausanne, Switzerland, Aug. 2002. Co-organizer (with Phil Chou and Heather Yu) of Special Session on "Rate-Distortion Optimized Delivery of Realtime and Streaming Media", and Co-organizer (with H. Yu) of the Panel Session on "Defining the Next Generation Challenges in Media Composition, Compression, and Communication R&D" (Panelists: Tsuhan Chen, Leonardo Chiariglione, Bernd Girod, Phil Chou, Ed. Delp, Dorée D. Seligmann).

· Technical Program Committee Member, 12th International Packetvideo Workshop, Pittsburgh, PA, USA, April 2002.

· Technical Program Committee Member, IEEE Inter. Conf. Information Technology: Coding and Computing, April 2002.

· Session co-organizer (with Weiping Li), Special Session on “Media Streaming” , and Technical Program Committee Member, IEEE Inter. Conf. Information Technology: Coding and Computing, April 2001.

· Session co-chair of “Video Processing/Multimedia Systems”, International Confer. Information systems, Analysis and Synthesis, July 1999.

· Reviewer for IEEE Tran. Multimedia, IEEE Tran. Circuit and System for Video Technologies, IEEE Tran. on Image Processing, IEEE Tran. on Communications, IEEE Journal on Selected Areas in Comm., ACM Tran. Information and System Security, Journal of Visual Communication and Image Representation, Pattern Recognition Letters, and various international conferences.

Standards Activities

· Committee member of ISO/IEC JTC1/SC29/WG11 (MPEG video coding standard). Contributor to the MPEG-4/21 IPMP (intellectual property rights management and protection) standardization activities.

o One proposal on "format compliant selective encryption framework" has been adopted as a normative annex (Annex A) in MPEG4 IPMP FPDAM.

o Four contributions to the MPEG IPMP meeting.

· Committee member of ISO/IEC JTC1/SC29/WG1 (JPEG2000 image compression standard). Main contributor to the visual optimization work in JPEG2000.

o One proposal (palette-based JPEG2000) has been adopted into JPEG2000 Part I.

o One proposal (point-wise extended masking) has been adopted into JPEG 2000 Part II.

o Another proposal (on a special wavelet filtering operation to reduce tile boundary artifacts) has been adopted into JPEG 2000 Part II.

o Four technologies adopted into JPEG2000 verification model software.

o Eleven contributions to the JPEG2000 meeting.

· Participant of ITU Video Coding Experts Group (VCEG)’s H.26L/JVT/MPEG AVC standardization activities.

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