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research article
Rate-distortion optimal fast thresholding with complete JPEG/MPEG decoder compatibility
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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RamchandranV94.pdf
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openaccess
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0178ff1bcee448c542883837c85c37e2