Papers › High Frequency Component Helps Explain the Generalization of Convolutional Neural Networks

High Frequency Component Helps Explain the Generalization of Convolutional Neural Networks

28 May 2019arXiv:1905.13545archive 2025-07-28

Haohan Wang, Xindi Wu, Zeyi Huang, Eric P. Xing

We investigate the relationship between the frequency spectrum of image data and the generalization behavior of convolutional neural networks (CNN). We first notice CNN's ability in capturing the high-frequency components of images. These high-frequency components are almost imperceptible to a human. Thus the observation leads to multiple hypotheses that are related to the generalization behaviors of CNN, including a potential explanation for adversarial examples, a discussion of CNN's trade-off between robustness and accuracy, and some evidence in understanding training heuristics.

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