Papers › Detecting Adversarial Examples through Nonlinear Dimensionality Reduction

Detecting Adversarial Examples through Nonlinear Dimensionality Reduction

30 Apr 2019arXiv:1904.13094archive 2025-07-28

Francesco Crecchi, Davide Bacciu, Battista Biggio

Deep neural networks are vulnerable to adversarial examples, i.e., carefully-perturbed inputs aimed to mislead classification. This work proposes a detection method based on combining non-linear dimensionality reduction and density estimation techniques. Our empirical findings show that the proposed approach is able to effectively detect adversarial examples crafted by non-adaptive attackers, i.e., not specifically tuned to bypass the detection method. Given our promising results, we plan to extend our analysis to adaptive attackers in future work.

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Density EstimationDimensionality ReductionGeneral Classification

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