PROFESSIONAL ACTIVITIES 
 Boards 
-  On the Advisory Board for the Computer Science Department, California State University, Hayward, 2005- 2006.
 Chair/Co-Chair of Conferences 
-  Chair of 10th SPIE Conference on Document Recognition and Retrieval, San Jose, CA, 2003.
-   Co-Chair of 9th SPIE Conference on Document Recognition and Retrieval, San Jose, CA, 2002.
-   Co-chair of IAPR  International Workshop on Performance Evaluation Issues in Multilingual Optical Character Recognition, Bangalore, India, 1999.
 Conference Program Committee Member 
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	2007 Almaden Institute on Navigating Complexity, San Jose, CA, 2007 
-   ACM International Workshop on Text Mining in Bioinformatics, Arlingon, VA, 2006
-   14th SPIE Conference on Document Recognition and Retrieval, San Jose, 2007
-   13th SPIE Conference on Document Recognition and Retrieval, San Jose, 2006
-   12th SPIE Conference on Document Recognition and Retrieval, San Jose, 2005
-   11th SPIE Conference on Document Recognition and Retrieval, San Jose, 2004
-   11th ACM International Conference on Information and Knowledge Management, McLean, VA, November 2002.
-   14th IEEE Symposium on Computer-Based Medical Systems, Washington DC, 2001
-   6th IAPR International Conference on Document Analysis and Recognition, Seattle, 2001
-   8th SPIE Conference on Document Recognition and Retrieval, San Jose, 2001
-   IEEE Conference on Computer Vision and Pattern Recognition, Santa Barbara, 1998.
 Editorship 
-   Co-guest editor for Special Issue on Performance Evaluation, Int. Journal on Document Analysis and Recognition, vol. 4, no. 3, 2002.
 Peer-Reviewer 
-   Funding: National Science Foundation.
-   Journals: IEEE Trans. on Pattern Analysis and Machine Intelligence, IEEE Trans. of Image Processing,
Computer Vision, Graphics and Image Processing, Communications of the ACM.
 Organization Membership 
-  IEEE Senior member, ACM, and SIAM.