Reversible data hiding algorithm for color images combining superpixel segmentation and pixel value ordering
Yan Zhao,
Xiaobing Bao
Abstract:At present, most of the reversible data hiding (RDH) algorithms divide images into regular rectangular blocks for data embedding, and most of the RDH algorithms for color images apply the steganography algorithms of grayscale images directly to each color channel of color images. We propose a color image RDH algorithm combining superpixel segmentation and pixel value ordering (PVO), which uses a superpixel segmentation technique to segment the image into irregular pixel blocks with high color similarity to imp… Show more
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