GEOMETRIC AUGMENTATION FOR ROBUST NEURAL NETWORK CLASSIFIERS

We introduce a novel geometric perspective and unsupervised model augmentation framework for transforming traditional deep (convolutional) neural networks into adversarially robust classifiers. Class-conditional probability densities based on Bayesian nonparametric mixtures of factor analyzers (BNP-MFA) over the input space are used to design soft decision labels for feature to label isometry... (read more)

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Softmax
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