Adversarial examples have raised questions regarding the robustness and security of deep neural networks. In this work we formalize the problem of adversarial images given a pretrained classifier, showing that even in the linear case the resulting optimization problem is nonconvex. We generate adversarial images using shallow and deep classifiers on the MNIST and ImageNet datasets. We probe the pixel space of adversarial images using noise of varying intensity and distribution. We bring novel visualizations that showcase the phenomenon and its high variability. We show that adversarial images appear in large regions in the pixel space, but that, for the same task, a shallow classifier seems more robust to adversarial images than a deep convolutional network.
Exploring the space of adversarial images
Published 2015 in IEEE International Joint Conference on Neural Network
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- Publication year
2015
- Venue
IEEE International Joint Conference on Neural Network
- Publication date
2015-10-19
- Fields of study
Mathematics, Computer Science
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