Image analysis – Image compression or coding – Lossless compression
Reexamination Certificate
2007-12-25
2007-12-25
Wu, Jingge (Department: 2624)
Image analysis
Image compression or coding
Lossless compression
C382S250000
Reexamination Certificate
active
10819570
ABSTRACT:
A reversible Discrete Cosine Transform (DCT) is described. The reversible DCT may be part of a compressor in a system. The system may include a decompressor with a reversible inverse DCT for lossless decompression or a legacy decompressor with an inverse DCT for lossy decompression.
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Schwartz Edward L.
Zandi Ahmad
Blakely , Sokoloff, Taylor & Zafman LLP
Ricoh & Company, Ltd.
Shikhman Max
Wu Jingge
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