The present invention relates to steganographically hiding images and information. In a preferred embodiment, an image is hidden within a media signal. The media preferably includes a cyan (C) color plane, a magenta (M) color plane, a yellow (Y) color plane and a black (K) color plane. In an alternative...http://www.google.com/patents/US20020164052?utm_source=gb-gplus-sharePatent US20020164052 - Enhancing embedding of out-of-phase signals
