2021

Out-of-distribution Prediction with Invariant Risk Minimization: The Limitation and An Effective Fix

Guo, Ruocheng, Zhang, Pengchuan, Liu, Hao et al.

Understand

This work considers the out-of-distribution (OOD) prediction problem where (1)~the training data are from multiple domains and (2)~the test domain is unseen in the training.

  • DNNs fail in OOD prediction because they are prone to pick up spurious correlations.
  • Recently, Invariant Risk Minimization (IRM) is proposed to address this issue.
  • Its effectiveness has been demonstrated in the colored MNIST experiment.

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