Robust and stealthy video watermarking into regions of successive frames
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United States of America Patent
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Jul 4, 2006
Issued Date -
N/A
app pub date -
Nov 8, 2004
filing date -
Apr 24, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A technology is described herein for the protection of rights in the content of a video sequence. In one example the technology embeds an information pattern in one or more regions of a video signal. A region includes a plurality of successive frames. The example does not embed the information pattern in one or more different regions which are interposed between the one or more regions. Further, in this example, for one or more regions, the information pattern is embedded into a frame of a region with a relative degree of intensity. One or more frames of that region have the patterns embedded therein which have a relative intensity that differs from the relative intensity of the pattern embedded in other frames of the region.
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