Are Convolutional Neural Networks or Transformers more like human vision?

• URL: http://arxiv.org/abs/2105.07197v1
• Date: Sat, 15 May 2021 10:33:35 GMT
• Title: Are Convolutional Neural Networks or Transformers more like human vision?
• Authors: Shikhar Tuli, Ishita Dasgupta, Erin Grant, Thomas L. Griffiths
• Abstract summary: We show that attention-based networks can achieve higher accuracy than CNNs on vision tasks. These results have implications both for building more human-like vision models, as well as for understanding visual object recognition in humans.
• Score: 9.83454308668432
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Modern machine learning models for computer vision exceed humans in accuracy on specific visual recognition tasks, notably on datasets like ImageNet. However, high accuracy can be achieved in many ways. The particular decision function found by a machine learning system is determined not only by the data to which the system is exposed, but also the inductive biases of the model, which are typically harder to characterize. In this work, we follow a recent trend of in-depth behavioral analyses of neural network models that go beyond accuracy as an evaluation metric by looking at patterns of errors. Our focus is on comparing a suite of standard Convolutional Neural Networks (CNNs) and a recently-proposed attention-based network, the Vision Transformer (ViT), which relaxes the translation-invariance constraint of CNNs and therefore represents a model with a weaker set of inductive biases. Attention-based networks have previously been shown to achieve higher accuracy than CNNs on vision tasks, and we demonstrate, using new metrics for examining error consistency with more granularity, that their errors are also more consistent with those of humans. These results have implications both for building more human-like vision models, as well as for understanding visual object recognition in humans.

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