Preprint
Sep 2026
Look Before You Judge: Training-Free Region Mining for Grounded and Explainable Deepfake Detection
Look Before You Judge, a training-free framework that formulates explainable deepfake detection as a sequential evidence acquisition process, and improves detection accuracy by up to 12.8%, reduces CHAIR by up to 33.4% and hallucination rate by up to 21.3%, and outperforms representative training-free decoding and atte...
Chia-Ling Chen, Yu-Ting Ta, Jian-Yu Jiang-Lin et al.
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