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The enhancement of compressed video is considered. We present a general algorithm for processing the compressed data, with three variants of the algorithm having practical application. We then consider the algorithm within the context of MPEG-2. Assuming complete knowledge of the compressed bitstream, experiments compare the different realizations of the enhancement algorithm. Our comparisons stress improvements in visual quality, measured by models of the human visual system. Quantitative and qualitative results are provided.
Image Processing, 2000. Proceedings. 2000 International Conference on (Volume:2 )
Date of Conference: 10-13 Sept. 2000