Rate-distortion optimal fast thresholding with complete JPEG/MPEG decoder compatibility

Rate-distortion optimal fast thresholding with complete JPEG/MPEG decoder compatibility
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DOI:
10.1109/83.334973
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发表时间:
1994-09
期刊:
IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
影响因子:
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通讯作者:
K. Ramchandran;M. Vetterli
K. Ramchandran;M. Vetterli
中科院分区:
其他
文献类型:
--
作者:
K. Ramchandran;M. Vetterli

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我们展示了一种率失真最优的方法来阈值或下降的JPEG和MPEG压缩标准的DCT系数。我们的优化算法采用了快速动态规划递归结构。我们的方法的主要优点在于它与标准JPEG和MPEG解码器完全兼容。
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.