Efficient Temporally-Aware DeepFake Detection using H.264 Motion Vectors
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Abstract (arXiv)
Video DeepFakes are fake media created with Deep Learning (DL) that manipulate a person's expression or identity. Most current DeepFake detection methods analyze each frame independently, ignoring inconsistencies and unnatural movements between frames. Some newer methods employ optical flow models to capture this temporal aspect, but they are computationally expensive. In contrast, we propose using the related but often ignored Motion Vectors (MVs) and Information Masks (IMs) from the H.264 video codec, to detect temporal inconsistencies in DeepFakes. Our experiments show that this approach is effective and has minimal computational costs, compared with per-frame RGB-only methods. This could lead to new, real-time temporally-aware DeepFake detection methods for video calls and streaming.
Key facts. Cited by 3 papers in the map (data through 14 Oct 2026). Builds on 21 of its 46 references that are in the map. First posted on arXiv 17 Nov 2023.
Builds on
21 of 46 references.
References · 21
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9 more
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Citing papers per year: 2025: 1; 2026: 2.
3 papers.
- 2025Zero-Shot Visual Deepfake Detection: Can AI Predict and Prevent Fake Content Before It's Created?cited by 1
- 2026Detect Early, Escalate Rarely: Anytime Detection of AI-Generated Video from the Compressed Bitstreamcited by 0
- 2026MVTrack: Ultrafast Appearance-Free Moving Object Tracking from Compressed Bitstreamscited by 0
- 2026MVTrack: Ultrafast Appearance-Free Moving Object Tracking from Compressed Bitstreams11 Aug 2026
- 2026Detect Early, Escalate Rarely: Anytime Detection of AI-Generated Video from the Compressed Bitstream21 Jul 2026
- 2025Zero-Shot Visual Deepfake Detection: Can AI Predict and Prevent Fake Content Before It's Created?22 Sep 2025