发明名称 An improved compression and decompression system with reversible wavelets and lossy reconstruction
摘要 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.
申请公布号 GB2330473(B) 申请公布日期 1999.12.15
申请号 GB19980019916 申请日期 1998.09.11
申请人 * RICOH COMPANY LIMITED 发明人 MARTIN * BOLIEK;MICHAEL * GORMISH;ALEXANDER F * KEITH;EDWARD L * SCHWARTZ
分类号 G06F17/00;G06F17/14;G06T9/00;H03M7/30;H04N1/41;H04N1/413;H04N7/26;H04N7/30;H04N21/6377;H04N21/658;(IPC1-7):H04N1/41;H04N7/50 主分类号 G06F17/00
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