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Article

Face Liveness Detection Using Thermal Face-CNN with External Knowledge

1
Department of Computer and Information Science, Korea University, Sejong Campus, Sejong City 30019, Korea
2
Department of Computer Convergence Software, Korea University, Sejong Campus, Sejong City 30019, Korea
*
Author to whom correspondence should be addressed.
Symmetry 2019, 11(3), 360; https://doi.org/10.3390/sym11030360
Received: 1 January 2019 / Revised: 27 February 2019 / Accepted: 6 March 2019 / Published: 10 March 2019
(This article belongs to the Special Issue Deep Learning for Facial Informatics)
Face liveness detection is important for ensuring security. However, because faces are shown in photographs or on a display, it is difficult to detect the real face using the features of the face shape. In this paper, we propose a thermal face-convolutional neural network (Thermal Face-CNN) that knows the external knowledge regarding the fact that the real face temperature of the real person is 36~37 degrees on average. First, we compared the red, green, and blue (RGB) image with the thermal image to identify the data suitable for face liveness detection using a multi-layer neural network (MLP), convolutional neural network (CNN), and C-support vector machine (C-SVM). Next, we compared the performance of the algorithms and the newly proposed Thermal Face-CNN in a thermal image dataset. The experiment results show that the thermal image is more suitable than the RGB image for face liveness detection. Further, we also found that Thermal Face-CNN performs better than CNN, MLP, and C-SVM when the precision is slightly more crucial than recall through F-measure. View Full-Text
Keywords: face liveness detection; convolutional neural network; thermal image; external knowledge face liveness detection; convolutional neural network; thermal image; external knowledge
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MDPI and ACS Style

Seo, J.; Chung, I.-J. Face Liveness Detection Using Thermal Face-CNN with External Knowledge. Symmetry 2019, 11, 360. https://doi.org/10.3390/sym11030360

AMA Style

Seo J, Chung I-J. Face Liveness Detection Using Thermal Face-CNN with External Knowledge. Symmetry. 2019; 11(3):360. https://doi.org/10.3390/sym11030360

Chicago/Turabian Style

Seo, Jongwoo, and In-Jeong Chung. 2019. "Face Liveness Detection Using Thermal Face-CNN with External Knowledge" Symmetry 11, no. 3: 360. https://doi.org/10.3390/sym11030360

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