Abstract
AbstractThis article presents a method of palette-based image steganography that minimizes the RMS error between an original image and its stego-image. The proposed method is based on a palette modification scheme, which can iteratively embed one message bit into each pixel in a palette-based image. In each iteration, both the cost of removing a entry color in a palette and the benefit of generating a new one to replace it are calculated. If the maximal benefit exceeds the minimal cost, an entry color is replaced. Experimental results show that the proposed method can remarkably reduce the distortion of the carrier images (stego-images) to other palette-based methods.KeywordsSecret MessageData HidingPalette ColorSteganographic MethodCarrier ImageThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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