Bo Wu

LocTFL: Self-Supervised Coarse-to-Fine Audio-Visual Temporal Localization of Local Deepfakes

Local audio-visual deepfakes modify only a short word or phrase within an otherwise authentic video. Because the manipulated evidence occupies a small temporal region, global aggregation weakens detection cues, while accurate start/end estimation becomes as important as video-level classification. We present LocTFL, a...