Apparatus and method for image group integrity protection

Details Apparatus and method for image group integrity protection Apparatus and method for image group integrity protection

2006-10-10

2006-10-10

Werner, Brian (Department: 2624)

Image analysis

Applications

Reexamination Certificate

active

07120273

ABSTRACT:
A system and method for protecting the integrity of a group of images is provided. One embodiment for protecting the integrity of a group of images comprises watermarking each one of a plurality of images in an image group with a unique watermark having at least an image digest, the image digest comprising information that identifies the watermarked image as an original image, and the plurality of images having a predefined order in the image group; and including in selected ones of the unique watermarks a unique decryption key, each one of the unique decryption keys configured for decrypting the unique watermark of a next image in the image group.

REFERENCES:
patent: 5664018 (1997-09-01), Leighton
patent: 5684799 (1997-11-01), Bigham et al.
patent: 5877445 (1999-03-01), Hufford et al.
patent: 5943093 (1999-08-01), Anderson et al.
patent: 6353672 (2002-03-01), Rhoads
patent: 6664976 (2003-12-01), Lofgren et al.
patent: 6807634 (2004-10-01), Braudaway et al.

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