Author

Haozhen Yan

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Preprint Aug 2026

GAP-SAM: A Global Artifact Prior for Generalizable AI-Generated Image Manipulation Localization

AI-generated image manipulation localization identifies edited pixels, but its OOD performance lags behind image-level detection partly because pixel supervision entangles forensic evidence with dataset-specific mask geometry and semantic boundaries. Extending image-level distribution alignment to localization, we cons...

Haozhen Yan, Siyuan Shan, Zijian Yu et al. · 0 citations

Preprint Aug 2026

Defake-o3: From Speculative Rationales to Verifiable Evidence for Explainable AIGI Detection

Defake-o3 is presented, an explainable AIGI detector that moves from speculative rationales to verifiable evidence, and Experiments show that Defake-o3 improves both detection accuracy and explanation quality, producing more localized, verifiable, and persuasive evidence.

Bowen Deng, Jiahui Zhan, Yikun Ji et al. · 0 citations