Abstract
The past few years have witnessed the fast development of regularization methods for deep learning models such as fully-connected deep neural networks (DNNs) and convolutional neural networks (CNNs). Part of previous methods mainly consider to drop features from input data and hidden layers, such as Dropout, Cutout and DropBlocks. DropConnect select to drop connections between fully-connected layers. By randomly discard some features or connections, the above mentioned methods relieve the overfitting problem and improve the performance of neural networks. In this paper, we proposed a novel regularization methods, namely DropFilterR, for the learning of CNNs. The basic idea of DropFilterR is to relax the rule of weight-sharing in CNNs by randomly drop elements in convolution filters. Specifically, we drop different elements in convolution filters along with their moving on input feature maps. Moreover, we may apply random drop rate to further increase the randomness of the proposed method. Also, we find a suitable way to accelerate the computation for DropFilterR based on theoretical analysis. Experimental results on several widely-used image databases such as MNIST, CIFAR-10 and Pascal VOC 2012 show that using DropFilterR improves performance on image classification tasks.
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Funding was provided by National Key Research and Development Program of China (Grant No. 2018YFB1003405).
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Pan, H., Niu, X., Li, R. et al. DropFilterR: A Novel Regularization Method for Learning Convolutional Neural Networks. Neural Process Lett 51, 1285–1298 (2020). https://doi.org/10.1007/s11063-019-10147-0
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DOI: https://doi.org/10.1007/s11063-019-10147-0