Camera Invariant Feature Learning for Generalized Face Anti-spoofing

• URL: http://arxiv.org/abs/2101.10075v1
• Date: Mon, 25 Jan 2021 13:40:43 GMT
• Title: Camera Invariant Feature Learning for Generalized Face Anti-spoofing
• Authors: Baoliang Chen, Wenhan Yang, Haoliang Li, Shiqi Wang and Sam Kwong
• Abstract summary: We describe a framework that eliminates the influence of inherent variance from acquisition cameras at the feature level. Experiments show that the proposed method can achieve better performance in both intra-dataset and cross-dataset settings.
• Score: 95.30490139294136
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: There has been an increasing consensus in learning based face anti-spoofing that the divergence in terms of camera models is causing a large domain gap in real application scenarios. We describe a framework that eliminates the influence of inherent variance from acquisition cameras at the feature level, leading to the generalized face spoofing detection model that could be highly adaptive to different acquisition devices. In particular, the framework is composed of two branches. The first branch aims to learn the camera invariant spoofing features via feature level decomposition in the high frequency domain. Motivated by the fact that the spoofing features exist not only in the high frequency domain, in the second branch the discrimination capability of extracted spoofing features is further boosted from the enhanced image based on the recomposition of the high-frequency and low-frequency information. Finally, the classification results of the two branches are fused together by a weighting strategy. Experiments show that the proposed method can achieve better performance in both intra-dataset and cross-dataset settings, demonstrating the high generalization capability in various application scenarios.

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