Method and System for Protecting and Authenticating a Digital Image

Q Sun, Z Zhang, D He - US Patent App. 10/573,220, 2007 - Google Patents
BACKGROUND 0002 Stemmed from traditional cryptography, the requirements for
preventing two kinds of frauds are usually expected for the purposes of content-based …

Method and System for Protecting and Authenticating a Digital Image

Q Sun, Z Zhang, D He - US Patent App. 10/573,220, 2007 - freepatentsonline.com
A method of protecting a digital image, the method comprising extracting feature values from
the digital image based on a selected authentication bit-rate; embedding data …