Abstract
In this paper, we propose a high capacity steganographic method using modulus function of pixel-value differencing (PVD) and least significant bit (LSB) replacement methods. Many steganographic methods based on LSB and PVD methods were presented to enlarge hiding capacity and provide an imperceptible image quality, but still have a room to improve the hiding capacity. The main idea of the proposed method is that secret data can be embedded on the smooth area by LSB substitution and on the edge area by PVD with less distortion to the human visual system and improvement of the embedding capacity. The experimental results show that the proposed method sustains a higher capacity and still a good quality compared with LSB and PVD methods.
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