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      www.data-compression.info/Algorithms/AC Arithmetic coding (AC) is a special kind of entropy coding. Unlike Huffman coding, arithmetic coding doesn´t use a discrete number of bits for each symbol to compress.
    • Patent US5453844 - Image data coding and compression system ...

      www.google.com/patents/US5453844 Data representing the image of an original picture having high resolution are first acquired. The data are then processed in accordance with a blurring function ...
    • Data Compression -- Section 1

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