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ReLU Code Space: A Basis for Rating Network Quality Besides Accuracy

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arxiv 2005.09903 v1 pith:A7JMK2VS submitted 2020-05-20 stat.ML cs.LG

classification stat.MLcs.LG
keywords spaceaccuracybesidesbodiescodeisometrypolyhedralrelu
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We propose a new metric space of ReLU activation codes equipped with a truncated Hamming distance which establishes an isometry between its elements and polyhedral bodies in the input space which have recently been shown to be strongly related to safety, robustness, and confidence. This isometry allows the efficient computation of adjacency relations between the polyhedral bodies. Experiments on MNIST and CIFAR-10 indicate that information besides accuracy might be stored in the code space.

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