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Author

Haozhen Yan

2 papers indexed here

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Preprint Aug 2026

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

GAP-SAM encodes an image and its frozen VAE reconstruction into a global artifact token and injects it into SAM3's feature pyramid via zero-gated FiLM via zero-gated FiLM before pixel decoding to preserve localization while suppressing semantic-boundary shortcuts.

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

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