Co-chair for the First International Workshop on Video Processing and Recognition, 2007.
Lead guest editor, IEEE Transactions on Pattern Analysis and Machine Intelligence special issue on probabilistic graphical models in computer vision
Technical Area Chair, IEEE International Conference on Computer Vision and Pattern Recognition, 2008.
Technical Area Chair and program committee, the 8th IEEE International Conference on Automatic Face and Gesture Recognition, 2008.
Program Co-chair, 3rd International Workshop on Semantic Learning and Applications in Multimedia in association with CVPR , 2008.
Program Co-chair, IEEE Workshop on Motion and Video Computing, 2008.
Program committee, the 10th European Conference on Computer Vision, 2008.
Program committee, the 19th International Conference on Pattern Recognition , 2008.
Program committee, Second IEEE Workshop on Online Learning for Classification (OLC) 2008.
Program committee, Eye tracking research and application symposium, 2008.
Member of the program committee, International Conference on Computer Vision, 2007.
Member of the program committee, International Conference on Computer Vision, 2007.
Co-chair for the First International Workshop on Video Processing and Recognition, 2007.