Method and apparatus for fragile watermarking

Details Method and apparatus for fragile watermarking Method and apparatus for fragile watermarking

2004-06-28

2009-02-10

Johns, Andrew W. (Department: 2624)

Image analysis

Applications

C382S100000, C382S232000, C382S240000, C380S051000, C380S054000, C380S201000, C380S210000, C380S252000, C713S176000, C713S179000, C370S522000, C370S529000, C358S003280, C283S072000, C283S113000, C283S901000, C283S902000

Reexamination Certificate

active

07489797

ABSTRACT:
A method of fragile watermarking is characterized by the step of generating at least a first ill-conditioned operator, said ill-conditioned operator being related to values extracted from an image or portion thereof A.

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