Protect fragile regions in steganography LSB embedding

We checked the problem in LSB matching revisited algorithm, which is an efficient method in steganography. Some sorts of regions in images are not appropriate for applying LSB embedding. We propose a method to make regions selection on images to find suitable area. By counting on each pixel we can decide if it should be protected. The experiment results showed our method can impove the visual imperceptibility and undetectability of the LSB matching method.

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