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2003
P.V. Karunaratne, A.K. Katsaggelos, and T.N. Pappas, "Preprocessing of Compressed Digital Video based on Perceptual Quality Metrics," SPIE Conference on Human Vision and Electronic Imaging VIII, vol. 5007, Santa Clara, California, 137-148, January 2003. [PDF] [Tagged] [XML] [BibTex] 
2001
C.A. Segall, P. Karunaratne, and A.K. Katsaggelos, "Pre-Processing of Compressed Digital Video," SPIE Conference on Visual Communications and Image Processing, San Jose, California, January 2001. [PDF] [Tagged] [XML] [BibTex] 
P.V. Karunaratne, C.A. Segall, and A.K. Katsaggelos, "Rate Distortion Optimal Video Pre-Processing Algorithm," ICIP, Thessaloniki, Greece, October 2001. [PDF] [Tagged] [XML] [BibTex] 
1999
C. Tsai, P. Karunaratne, N.P. Galatsanos, and A.K. Katsaggelos, "A Compressed Video Enhancement Algorithm," IEEE International Conf. on Image Processing, Kobe, Japan, October 1999. [PDF] [Tagged] [XML] [BibTex] 
P. Karunaratne, "Compressed Video Enhancement using Regularized Iterative Restoration Algorithms," Department of Electrical and Computer Engineering, M.S. Thesis: Northwestern University, 1999  . [PDF] [Tagged] [XML] [BibTex] 
1998
G. Melnikov, P.V. Karunaratne, G.M. Schuster, and A.K. Katsaggelos, "Rate-Distortion Optimal Boundary Encoding Using an Area Distortion Measure," Int. Conf. Circuits and Systems, Monterey, CA, May 1998. [PDF] [Tagged] [XML] [BibTex]