Learning Multi-Granularity Temporal Characteristics for Face Anti-Spoofing

Face anti-spoofing (FAS) is essential for securing face recognition systems. Despite the decent performance, few existing works fully leverage temporal information. This would inevitably lead to inferior performance because real and fake faces tend to share highly similar spatial appearances, while...

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Veröffentlicht in:	IEEE transactions on information forensics and security 2022, Vol.17, p.1254-1269
Hauptverfasser:	Wang, Zhuo, Wang, Qiangchang, Deng, Weihong, Guo, Guodong
Format:	Artikel
Sprache:	eng
Schlagworte:	Face anti-spoofing Face recognition Faces Feature extraction Frames Learning pyramid temporal aggregation Spatiotemporal phenomena Spoofing Task analysis temporal depth difference loss temporal difference attentions Three-dimensional displays transformer networks Transformers Visual observation
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