DTFA-Net: Dynamic and Texture Features Fusion Attention Network for Face Antispoofing

Xin Cheng, Hongfei Wang, Jingmei Zhou, Hui Chang, Xiangmo Zhao and Yilin Jia

Complexity, 2020, vol. 2020, 1-11

Abstract:

For face recognition systems, liveness detection can effectively avoid illegal fraud and improve the safety of face recognition systems. Common face attacks include photo printing and video replay attacks. This paper studied the differences between photos, videos, and real faces in static texture and motion information and proposed a living detection structure based on feature fusion and attention mechanism, Dynamic and Texture Fusion Attention Network (DTFA-Net). We proposed a dynamic information fusion structure of an interchannel attention block to fuse the magnitude and direction of optical flow to extract facial motion features. In addition, for the face detection failure of HOG algorithm under complex illumination, we proposed an improved Gamma image preprocessing algorithm, which effectively improved the face detection ability. We conducted experiments on the CASIA-MFSD and Replay Attack Databases. According to experiments, the DTFA-Net proposed in this paper achieved 6.9% EER on CASIA and 2.2% HTER on Replay Attack that was comparable to other methods.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:5836596

DOI: 10.1155/2020/5836596

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