Digital watermarking of low bit rate video
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United States of America Patent
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Jul 28, 2009
Grant Date -
Jul 1, 2004
app pub date -
Aug 6, 2003
filing date -
Jan 22, 2002
priority date (Note) -
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Abstract
Methods for embedding digital watermarks in compressed video include perceptual adapting a digital watermark in predicted and non-predicted data based on block activity derived from the compressed video stream, embedding in predicted objects in a video stream having separately compressed video objects, and bit rate control of watermarked video.
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