Facial Emotion Classification Using Deep Embedding with Triplet Loss Function

被引:0
|
作者
Bircanoglu, Cenk [1 ]
Arica, Nafiz [1 ]
机构
[1] Bahcesehir Univ, Bilgisayar Muhendisligi Bolumu, Istanbul, Turkey
关键词
triplet loss function; deep learning; convolutional neural network; face emotion classification;
D O I
暂无
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
In this paper, a deep embedding method using triplet loss function is proposed for classification of the emotions in face images. The originality of proposed method lies in the loss function, different from the other deep learning-based facial emotion classification approaches. The input face images are embedded into a lower dimensional feature space using a multi layer convolutional neural network. In this embedding process the loss function is calculated by taking triple samples in the training dataset. For each sample in batches, two samples are selected in such a way that one of them is from the same class and the other one from the different class. The loss function aims to close the samples belonging to the same class to each other in the Euclidean space and to move away from the samples in the different class. In the performance analysis of proposed method, two popular deep architectures, namely AlexNet and VGG are used on two datasets called CIFE and GaMo. The experiments show that the proposed method outperforms the other popular loss functions and the available studies on this particular datasets.
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页数:4
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