Digital watermarking systems and methods
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United States of America Patent
Stats
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Nov 18, 2008
Grant Date -
Mar 8, 2007
app pub date -
Feb 24, 2006
filing date -
Jul 27, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to digital watermarking systems and methods. In a first implementation, so-called movie studio rough-cuts are watermarked to provide a forensic tracking clue or to provide security for distributed rough-cuts. In another implementation, a watermark is determined for a compressed video object. The watermark is compressed as an object and the watermarked object is then associated with the compressed video object. The two separate objects are provided to a rendering device, which after decompressing both objects, embeds the watermark in the video prior to rendering.
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Cited Art Landscape
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