Young Scientist Medal awarded by Indian National Science Academy, 1989.
UNDP Fellowship during the period 1989-90.
Diamond Jubilee Fellowship awarded by The National Academy of Science, India, 1992.
Post-doctoral fellowship awarded by Univ. of Washington, Seattle, USA, 1995.
The Computer Engineering Division Medal awarded by The Institution of Engineers (India), 1998.
Fellow of Institute of Electronics and Telecommunication Engineers, 2000.
Vikram Sarabhai Research Award from Physical Research Lab, 2001.
Fellow of The National Academy of Sciences, India, 2002.
Fellow of The Indian National Academy of Engineering, 2005.
Best paper award} in the International Conference on Visual Information Engineering, 2006.
IETE-Ram Lal Wadhwa Gold medal, 2007.
1st Prize in and international competetion on Table Detection (Page Segmentation) in 9th International Conference on Document Analysis and Recognition, Curitiba, Parana, Brazil, Sep. 23-26, 2007, (A. Antonacopoulos, B. Gatos, D. Bridson: Page Segmentation Competition, Proceedings of ICDAR 2007, Vol~2, pp. 1279-1283, 2007).
Fellow of the International Association of Pattern Recognition, 2008.
Fellow of Fellow of Asia-Pacific Artificial Intelligence Association (AAIA), 2022