Digital watermarking systems and methods
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United States of America Patent
Stats
-
Feb 28, 2006
Grant Date -
Jul 24, 2003
app pub date -
Oct 21, 2002
filing date -
Jul 27, 1995
priority date (Note) -
In Force
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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