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The improved bit-plane complexity segmentation (BPCS) steganography carries on different processings to different bit-planes, with setting high threshold value at the high bit-plane and low threshold value at the low. Not only provides good visual imperceptibility and data embedding capacity, this scheme also is capable of resisting the analysis of the whole complexity histogram. However, it still...
Robust real-time tracking of non-rigid objects is a challenging task. Color is a powerful feature for tracking deformable objects in image sequences with complex backgrounds. Color distribution is applied, as it is robust to partial occlusion, is rotation and scale invariant and computationally efficient. Particle filter has been proven very successful for non-linear and non-Gaussian estimation tracking...
This paper studied the application of pattern analysis on steganalysis for binary text images, and proposed a novel steganalysis algorithm based on pattern analysis. The idea of image "pattern" was proposed originally through deep investigating all kinds of information hiding and steganalysis algorithms. Firstly the patterns were divided into three categories according to human visual effect...
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