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Author

Chen Wan

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Sep 2026

Boundary-guided frequency fusion for facial attribute editing forgery detection and localization

The Boundary-Guided Frequency Fusion framework for unified image-level detection and pixel-level localization of FAE is introduced, which provides stable semantic localization, while a DCT-based high-frequency branch offers complementary residual cues.

Jia-Wei Gao, Xin Hua, Guolin Shao et al. · 0 citations
Aug 2026

TD-CAG: Enhancing adversarial transferability via curvature awareness and spatial dislocation.

Transfer-Dislocation and Curvature-Aware Gradient (TD-CAG), a new adversarial attack framework comprising two complementary modules: a curvature-aware gradient (CAG) module for modeling local nonlinearity, and a translation-dislocation (TD) module for modeling saliency misalignment.

Hailing Kuang, Chen Wan, Xiaohai Lu et al. · 0 citations
2026

Rethinking Fake Adversarial Examples for Single-Step Adversarial Training

Adversarial training (AT) is a widely adopted defense against adversarial attacks, but its multi-step optimization process for generating adversarial examples leads to substantial computational overhead. To mitigate this, various single-step adversarial training methods have been proposed. However, these models often s...

Lifeng Huang, Yuquan Lin, Chen Wan et al. · 0 citations

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