Image analysis – Image compression or coding
Reexamination Certificate
2011-07-26
2011-07-26
Azarian, Seyed (Department: 2624)
Image analysis
Image compression or coding
C382S100000, C380S252000
Reexamination Certificate
active
07986845
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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patent:
Levy Kenneth L.
Miller Marc D.
Rhoads Geoffrey B.
Azarian Seyed
Digimarc Corporation
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