Embedding Color Watermark in a Digital image by Adjusting DCT Coefficients through Back Propagation Neural Network using RGB Gray Scale watermarking and subsequent Union of RGB planes

Abstract

Digital Watermarking can facilitated by using neural network .The network can be trend to encode the watermark by supplying DCT coefficient from the 8*8 Block for each RGB plane and one pre decided output coefficient is obtain at the output .This encode the watermark bit  in all the three RGB planes. These planes can be reunited later to encode the complete watermark. The scheme for the gray scale watermark and binary watermark is extended to color watermark by splitting the color image into RGB gray scale planes and after encoding watermark in each plane he planes are reunited to create the color watermark.