Patent ID: 7308110
Filing Date: 2007-12-11
Classification: B42D,G06F,G06K,G06Q,G06T,G07C,G07D,G07F,G10L,G11B,H04B,H04L,H04N,H04W

Abstract:
1. A method for imparting a watermark onto a digital image, said method comprising: providing a digital image said image being represented by an image array having a plurality of pixels, said pixels being obtained from digitizing a color image, said watermark being formed using an array having a plurality of distinct watermarking elements, each of said distinct watermarking elements having an array position and having one-to-one positional correspondence with said image pixels, and adjusting said brightness data associated with said pixels by a predetermined brightness, wherein said brightness is a corresponding distinct watermarking element, and said watermark has an invisibility classification.