System and method of retrieving a watermark within a signal
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United States of America Patent
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Feb 1, 2011
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N/A
app pub date -
Apr 4, 2006
filing date -
Jun 4, 2001
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Abstract
(f) of an original signal. The watermarked signal includes odd and even overlapped blocks where the watermark is contained in the even blocks. The method comprises test-decoding the watermarked signal and, if the watermarked signal contains errors, recoding the watermarked signal with a higher redundancy code. The steps of test-decoding and recording may be performed until all errors are corrected.
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