A method and system for protecting digital images copied from a video RAM, including the steps of transmitting stored pixel data from a computer memory to a video RAM, identifying protected pixel data within the stored pixel data, modifying the stored pixel data, thereby generating modified pixel data...http://www.google.fr/patents/US7281272?utm_source=gb-gplus-shareBrevet US7281272 - Method and system for copyright protection of digital images
Method and system for copyright protection of digital images
