Reversible Image Steganography Based on Wavelets and Wavelet-like-transform
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چکیده
So far we have focussed on evaluating the performance of algorithms of irreversible image steganography in the ECCs domain and Transform domain for the grayscale and color images. In this Chapter we shall cover the two type of reversible image steganographic algorithms using the Companding technique (also called Reversible Thresholding Method) based on SLTPerceptual and Robust. We shall also give the comparative study of proposed algorithms with the corresponding modified wavelet based thresholding technique.
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