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- W2024256921 abstract "In this paper, we present a new framework for designing distortion functions of joint photographic experts group (JPEG) steganography with uncompressed side-image. In our framework, the discrete cosine transform (DCT) coefficients, including all direct current (DC) coefficients and alternating current (AC) coefficients, are divided into two groups: first-priority group (FPG) and second-priority group (SPG). Different strategies are established to associate the distortion values to the coefficients in FPG and SPG, respectively. In this paper, three scenarios for dividing the coefficients into FPG and SPG are exemplified, which can be utilized to form a series of new distortion functions. Experimental results demonstrate that while applying these generated distortion functions to JPEG steganography, the intrinsic statistical characteristics of the carrier image will be preserved better than the prior-art, and consequently the security performance of the corresponding JPEG steganography can be improved significantly." @default.
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- W2024256921 date "2013-06-17" @default.
- W2024256921 modified "2023-10-16" @default.
- W2024256921 title "Distortion function designing for JPEG steganography with uncompressed side-image" @default.
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- W2024256921 doi "https://doi.org/10.1145/2482513.2482517" @default.
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