2020

Exploring the Vulnerability of Deep Neural Networks: A Study of Parameter Corruption

Sun, Xu, Zhang, Zhiyuan, Ren, Xuancheng et al.

Understand

We argue that the vulnerability of model parameters is of crucial value to the study of model robustness and generalization but little research has been devoted to understanding this matter.

  • In this work, we propose an indicator to measure the robustness of neural network parameters by exploiting their vulnerability via parameter corruption.
  • The proposed indicator describes the maximum loss variation in the non-trivial worst-case scenario under parameter corruption.
  • For practical purposes, we give a gradient-based estimation, which is far more effective than random corruption trials that can hardly induce the worst accuracy degradation.

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