DCDT transforms spatial steganographic costs into JPEG costs via an exponent-weighted inverse-DCT footprint, and the authors report gains over UERD, J-UNIWARD and GUED against GFR/SCA-GFR.
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New Design Paradigm of Distortion Cost Function for Efficient JPEG Steganography
DCDT transforms spatial steganographic costs into JPEG costs via an exponent-weighted inverse-DCT footprint, and the authors report gains over UERD, J-UNIWARD and GUED against GFR/SCA-GFR.