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.
Information hiding in hevc standard using adap- tive coding block size decision,
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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.