Reversible DCT for lossless-lossy compression

Image analysis – Image compression or coding – Lossless compression

Reexamination Certificate

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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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