Image compression system using block transforms and tree-type coefficient truncation
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United States of America Patent
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Aug 8, 2000
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app pub date -
Jun 5, 1998
filing date -
Jun 5, 1997
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Abstract
An data compression technique combines the benefits of block-wise processing, such as allows reduced buffer memory usage and improved speed through parallel techniques, with tree-type compression normally associated with wavelet-type compression techniques. Block artifacts in the reconstructed data at the partitions between blocks are minimized by use of lapping transformations.
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