International Conference on Software Technology and Engineering (ICSTE 2012)
20 Two Dimensional Histogram Reversible Data Hiding
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In this paper, we utilize two dimensional (2D) histogram, instead of one dimensional histogram, to present reversible data hiding method. According to the properties of image of 2D histogram, there are near 1/2 points whose pixel values are not shifted. Therefore our method keeps high quality of stego-image. From the experiment result, as compared with Yang et al.’s method, our method has higher quality of stego-image.