Abstract
Convolutional Neural Network (CNN) have been widely used for image classification and computer vision tasks such as face recognition, target detection. Softmax loss is one of the most commonly used components to train CNN, which only penalizes the classification loss. So we consider how to train intra-class compactness and inter-class separability better. In this paper, we proposed an Overall Loss to make inter-class having a better separability, which means that Overall loss penalizes the difference between each center of classes. With Overall loss, we trained a robust CNN to achieve a better performance. Extensive experiments on MNIST, CIFAR10, LFW (face datasets for face recognition) demonstrate the effectiveness of the Overall loss. We have tried different models, visualized the experimental results and showed the effectiveness of our proposed Overall loss.
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