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Out-of-Distribution Detection for Reliable Face Recognition | IEEE Journals & Magazine | IEEE Xplore

Out-of-Distribution Detection for Reliable Face Recognition


Abstract:

In real applications, face recognition systems are always faced with non-face inputs and low-quality faces due to the complicated conditions like mis-detections by face d...Show More

Abstract:

In real applications, face recognition systems are always faced with non-face inputs and low-quality faces due to the complicated conditions like mis-detections by face detectors. However, in deep learning based methods, these outliers are always ignored during training phase and the models tend to make unreasonable decisions on these images. For example, matching a texture-rich patch to an old-man face overconfidently. We formulate this challenge on the task of out-of-distribution detection (OOD), where a network must determine whether or not an input is outside of the set on which the network can safely perform. In this paper, we propose to detect out-of-distribution samples based on uncertainty prediction and the L2-norm of features, so as to effectively filter out non-face and low-quality faces. We demonstrate that the proposed method can reliably detect out-of-distribution samples and improve the performance of face recognition, without the need of labelled OOD data.
Published in: IEEE Signal Processing Letters ( Volume: 27)
Page(s): 710 - 714
Date of Publication: 20 April 2020

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