Digital watermarking and fingerprinting including synchronization, layering, version control, and compressed embedding
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United States of America Patent
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Mar 28, 2006
Grant Date -
Oct 2, 2003
app pub date -
Jan 22, 2003
filing date -
Jan 22, 2002
priority date (Note) -
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Abstract
This disclosure describes several video watermarking and fingerprinting enhancements. These enhancements include synchronizing watermark detectors with one-dimensional calibration signals, layering digital watermarks, watermarks for version control, compressed domain watermarking, watermarking of video object layers, key channel watermark embedding for video, robust fingerprinting of video and watermarking of scalable video.
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