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DIGITAL WATERMARKING AND FINGERPRINTING ENHANCEMENTS

7,020,304

3/28/2006 12:00:00 AM

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.