ArcFace: Additive Angular Margin Loss for Deep Face ...
The most widely used classification loss function, soft-max loss, is presented as follows: L 1 =− 1 N XN i=1 log eW T yi x i +b Pn j=1e WT j x i+b j, (1) where xi ∈ Rd denotes the deep feature of the i-th sample, belonging to the yi-th class. The embedding feature dimen-sion d is set to 512in this paper following [36, 43, 15, 35].
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Class-Balanced Loss Based on Effective Number of Samples
openaccess.thecvf.comand large-scale datasets including ImageNet and iNatural-ist. Our results show that when trained with the proposed class-balanced loss, the network is able to achieve signifi-cant performance gains on long-tailed datasets. 1. Introduction The recent success of deep Convolutional Neural Net-works (CNNs) for visual recognition [26, 37, 38, 16] owes
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Finding Tiny Faces in the Wild With Generative Adversarial ...
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Squeeze-and-Excitation Networks - openaccess.thecvf.com
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