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Article overview
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Explainability and Robustness of Deep Visual Classification Models | Jindong Gu
; | Date: |
3 Jan 2023 | Abstract: | In the computer vision community, Convolutional Neural Networks (CNNs), first
proposed in the 1980’s, have become the standard visual classification model.
Recently, as alternatives to CNNs, Capsule Networks (CapsNets) and Vision
Transformers (ViTs) have been proposed. CapsNets, which were inspired by the
information processing of the human brain, are considered to have more
inductive bias than CNNs, whereas ViTs are considered to have less inductive
bias than CNNs. All three classification models have received great attention
since they can serve as backbones for various downstream tasks. However, these
models are far from being perfect. As pointed out by the community, there are
two weaknesses in standard Deep Neural Networks (DNNs). One of the limitations
of DNNs is the lack of explainability. Even though they can achieve or surpass
human expert performance in the image classification task, the DNN-based
decisions are difficult to understand. In many real-world applications,
however, individual decisions need to be explained. The other limitation of
DNNs is adversarial vulnerability. Concretely, the small and imperceptible
perturbations of inputs can mislead DNNs. The vulnerability of deep neural
networks poses challenges to current visual classification models. The
potential threats thereof can lead to unacceptable consequences. Besides,
studying model adversarial vulnerability can lead to a better understanding of
the underlying models. Our research aims to address the two limitations of
DNNs. Specifically, we focus on deep visual classification models, especially
the core building parts of each classification model, e.g. dynamic routing in
CapsNets and self-attention module in ViTs. | Source: | arXiv, 2301.01343 | Services: | Forum | Review | PDF | Favorites |
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