Po-Ching Chen

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...