Image analysis – Applications
Reexamination Certificate
2004-07-07
2009-10-13
Mehta, Bhavesh M (Department: 2624)
Image analysis
Applications
C382S123000, C382S232000, C358S003280
Reexamination Certificate
active
07602936
ABSTRACT:
A method and/or apparatus for embedding and detecting watermarks in a set of data frames, where a secondary domain is used for combining the data frame, watermark, and a geometric pattern for holding the watermark, and that secondary domain is used for post-combination filtering of the modified data frame. The secondary domain is preferably a wavelet domain or sub-band domain. The geometric pattern for holding the watermark is reversibly mapable between a complex pattern in the original domain of the data frame and a simple pattern in the secondary domain where combination and filtering takes place.
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Lerner David Littenberg Krumholz & Mentlik LLP
Mehta Bhavesh M
Sony Corporation
Sony Electronics Inc.
Thirugnanam Gandhi
LandOfFree
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