An improvement of robust and blind data hiding based on self reference in spatial domain

According to the recent growth of communication technologies, to protect the transmitting secret data is important. Information hiding schemes have become popular research topic in recent years. In data hiding, the properties of robustness, blindness, and quality are important. In this paper, an improvement of a blind image data hiding method base on self reference in spatial domain is proposed. We replace the original single percentage tolerance with the variable tolerance method and the immovable tolerance method. The experimental results show that the proposed blind technique not only can improve the robustness to withstand compression, but also increase the quality of the stego-image.

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