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Rate-distortion optimal fast thresholding with complete JPEG/MPEG decoder compatibility
Ramchandran, K.; Vetterli, M.;
Image Processing, IEEE Transactions on
Volume 3,
Issue 5,
Sept. 1994
Page(s):700
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704
Abstract:
We show a rate-distortion optimal way to threshold or drop the DCT coefficients of the JPEG and MPEG compression standards. Our optimal algorithm uses a fast dynamic programming recursive structure. The primary advantage of our approach lies in its complete compatibility with standard JPEG and MPEG decoders
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