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A Closer Look at Robustness to L-infinity and Spatial Perturbations and their Composition. (arXiv:2210.02577v1 [cs.LG])
Oct. 7, 2022, 1:20 a.m. | Luke Rowe, Benjamin Thérien, Krzysztof Czarnecki, Hongyang Zhang
cs.CR updates on arXiv.org arxiv.org
In adversarial machine learning, the popular $\ell_\infty$ threat model has
been the focus of much previous work. While this mathematical definition of
imperceptibility successfully captures an infinite set of additive image
transformations that a model should be robust to, this is only a subset of all
transformations which leave the semantic label of an image unchanged. Indeed,
previous work also considered robustness to spatial attacks as well as other
semantic transformations; however, designing defense methods against the
composition of spatial …
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