A new GradIPMFormer network detects CU block structure steganography in HEVC videos by modeling structural perturbations via gradient maps and IPM mappings, achieving superior detection across QP and resolution settings.
A steganalytic algorithm to detect dct-based data hiding methods for h. 264/avc videos
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H.265/HEVC Video Steganalysis Based on CU Block Structure Gradients and IPM Mapping
A new GradIPMFormer network detects CU block structure steganography in HEVC videos by modeling structural perturbations via gradient maps and IPM mappings, achieving superior detection across QP and resolution settings.