Image analysis – Applications
Reexamination Certificate
2008-09-30
2008-09-30
Lu, Tom Y (Department: 2624)
Image analysis
Applications
Reexamination Certificate
active
11489754
ABSTRACT:
Systems and methods are described for repeatedly embedding information in media that is recoverable by emphasizing subtle variations between the media. In many embodiments perceptual models are used to identify portions of the media in which the embedded information is unlikely to be apparent to a human observer. One embodiment of the invention includes rendering the information in the form of a media, selecting a plurality of portions of media from the carrier media, combining at least part of the rendered media with each of the selected portions of the carrier media to form modified media portions, where the modifications to the modified media portions are not apparent to a human observer and creating a modified carrier medium using the modified media portions.
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Kauth, Pomeroy, Peck & Bailey LLP
Lu Tom Y
Verimatrix, Inc.
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