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• W2973161808 abstract "Increasing inter-class variance and shrinking intra-class distance are two main concerns and efforts in face recognition. In this paper, we propose a new loss function termed inter-class angular margin (IAM) loss aiming to enlarge the inter-class variance. Instead of restricting the inter-class margin to be a constant in existing methods, our IAM loss adaptively penalizes smaller inter-class angles more heavily and successfully makes the angular margin between classes larger, which can significantly enhance the discrimination of facial features. The IAM loss can be readily introduced as a regularization term for the widely-used Softmax loss and its recent variants to further improve their performances. We also analyze and verify the appropriate range of the regularization hyper-parameter from the perspective of backpropagation. For illustrative purposes, our model is trained on CASIA-WebFace and tested on the LFW, CFP, YTF and MegaFace datasets; the experimental results show that the IAM loss is quite effective to improve state-of-the-art algorithms." @default.
• W2973161808 created "2019-09-19" @default.
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• W2973161808 date "2020-02-01" @default.
• W2973161808 modified "2023-10-16" @default.
• W2973161808 title "Inter-class angular margin loss for face recognition" @default.
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• W2973161808 doi "https://doi.org/10.1016/j.image.2019.115636" @default.
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