Effective information hiding scheme based on wavelet contrast
一种利用小波对比度的图像隐藏算法

This paper proposed a novel information hiding scheme based on iterative blending and wavelet contrast.Adopted the sum of absolute values of wavelet contrasts of each image block as measurement of visual sensitivity,selected under the direction of this measurement, suitable image blocks and embedded the scrambled gray scale image with 256 levels into these suitable image blocks by iterative blending method. Simulation results show that the carrier image has good invisibility and the proposed scheme realizes the goal of big capability for information hiding.