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US Patent 7231587 Embedded picture PSNR/CRC data in compressed video bitstream

Patent 7231587 was granted and assigned to LSI Corporation on June, 2007 by the United States Patent and Trademark Office.

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Patent abstract

A method for processing an input signal is disclosed. The method generally includes the steps of (A) extracting a compressed signal and a first checksum from the input signal, (B) generating a decompressed signal by decompressing the compressed signal, (C) calculating a second checksum for the decompressed signal and (D) generating a result by comparing the first checksum to the second checksum.

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