Attentive Learning Facilitates Generalization of Neural Networks.
IEEE transactions on neural networks and learning systems(2024)
摘要
This article studies the generalization of neural networks (NNs) by examining how a network changes when trained on a training sample with or without out-of-distribution (OoD) examples. If the network’s predictions are less influenced by fitting OoD examples, then the network learns attentively from the clean training set. A new notion, dataset-distraction stability , is proposed to measure the influence. Extensive CIFAR-10/100 experiments on the different VGG, ResNet, WideResNet, ViT architectures, and optimizers show a negative correlation between the dataset-distraction stability and generalizability. With the distraction stability, we decompose the learning process on the training set $\mathcal{S}$ into multiple learning processes on the subsets of $\mathcal{S}$ drawn from simpler distributions, i.e., distributions of smaller intrinsic dimensions (IDs), and furthermore, a tighter generalization bound is derived. Through attentive learning, miraculous generalization in deep learning can be explained and novel algorithms can also be designed.
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关键词
Deep learning generalization,explainable artificial intelligence (AI),learning mechanism,neural networks (NNs)
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