Compression and decompression system with reversible wavelets and lossy reconstruction

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United States of America Patent

PATENT NO 6141446
SERIAL NO

08940831

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Abstract

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A method and apparatus for encoding and decoding data that includes generating transformed signals in response to input data. In one embodiment, the transformed signals are generated using a reversible wavelet transform. The present invention also includes a method and apparatus for compressing the transform signals into data representing a losslessly compressed version of the input data. In one embodiment, the present invention decomposes the input data using reversible wavelet transforms.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO 143-8555

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boliek, Martin San Francisco, CA 70 2567
Gormish, Michael J Redwood City, CA 94 3401
Keith, Alexander F Palo Alto, CA 9 588
Schwartz, Edward L Sunnyvale, CA 130 5079

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