Steganographic systems and methods
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United States of America Patent
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Jul 26, 2011
Grant Date -
Mar 18, 2010
app pub date -
Nov 17, 2009
filing date -
Jul 27, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to steganographic systems and methods. One claim recites an apparatus including: electronic memory to buffer a compressed digital watermark object, the digital watermark object is a separate object relative to a compressed video object; and an electronic processor. The electronic processor is programmed for: decompressing the compressed video object to yield a decompressed video object, the decompressed video object comprising data representing video picture elements and data representing audio elements; decompressing the digital watermark object to obtain digital watermark data; steganographically hiding the digital watermark data in the data representing video picture elements or in the data representing audio elements to yield digital watermarked video or audio; and rendering the digital watermarked video or audio. Other claims and combinations are provided too.
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