•     Associate Editor, Machine Vision and Application Journal
  

•          Program Chair, NSF/CUNY 3-D Imaging & Visualization Mini-Conference: University and Industry R&D Perspectives, Tuesday, April 4, 2006, CUNY Graduate Center, New York City.

•          Program Chair, NSF/CUNY Imaging & Visualization Mini-Conference: Bridging the Gap between University Research and Business Applications, May 11th, 2005, CUNY Graduate Center, New York City.

•          Program Co-Chair, the Second IEEE Workshop on Image and Video Registration, in conjunction with CVPR’04, Washington, D.C., July 2, 2004

•          Program committee member of the IEEE Workshop on Omnidirectional Vision (in conjunction with ECCV02), June 2nd, 2002, Copenhagen, Denmark

•          Program committee member of the IEEE Virtual Reality (VR) Conference 1999 - 2003.

•          Program committee member of the 2002 IEEE Workshop on Applications of Computer Vision

•          Session Chair of International Workshop on Digital and Computational Video, December 10, 1999, Tampa, Florida, U.S.A.

•          Session Chair of the 9th China National Conference on Image and Graphics, 1998

•          Member of graduate admission committee in the Department of Computer Science at the University of Massachusetts at Amherst, 2000-2001

•          Member of Faculty Search Committee, Department of Computer Science, City College of New York, Fall 2004

•          Senior Member of the IEEE, the Institute of Electrical and Electronics Engineers

•          Senior Member of the ACM, the Association of Computing Machinery

•          Senior Member of the China Image and Graphic Association

•          Proposal reviewer for

Maryland Technology-Development Corporation

Canada Foundation for Innovation (CFI)

Science & Engineering Research Council (SERC), the Agency for Science, Research & Technology (A*STAR), Singapore

•          Reviewer for papers of international journals and conferences, including

IEEE Transactions on Pattern Analysis and Machine Intelligence

IEEE Transactions on Image Processing

IEEE Transactions on Robotics and Automation

IEEE Transactions on System, Man and Cybernetics

IEEE Computer Graphics and Applications

International Journal of Computer Vision

Machine Vision and Applications Journal

Computer Vision and Image Understanding,

Photogrammetric Engineering and Remote Sensing

Real-Time Imaging Journal

IEEE Transactions on Intelligent Transportation Systems

Pattern Analysis and Applications Journal

IEEE International Conference on Computer Vision 1999

IEEE International Conference on Virtual Reality 1999-2003

IEEE International Conference on Robotics and Automation

2002 International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision

2002 IEEE Workshop on Applications of Computer Vision

2002 IEEE Workshop on Omnidirectional Vision.