Domain Transformation of Distortion Costs for Efficient JPEG Steganography with Symmetric Embedding
Yuanfeng Pan,
Jiangqun Ni
Abstract:Nowadays, most image steganographic schemes embed secret messages by minimizing a well-designed distortion cost function for the corresponding domain, i.e., the spatial domain for spatial image steganography or the JPEG (Joint Photographic Experts Group) domain for JPEG image steganography. In this paper, we break the boundary between these two types of schemes by establishing a theoretical link between the distortion costs in the spatial domain and those in the JPEG domain and thus propose a scheme for domain… Show more
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