PEER trains a proxy model on augmented data under mutual information regularization, then periodically averages proxy snapshots into the task model, improving out-of-distribution accuracy and reducing mid-training fluctuation.
Geometric dataset dis- tances via optimal transport.Advances in Neural Information Processing Systems, 33:21428–21439, 2020
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PEER pressure: Model-to-Model Regularization for Single Source Domain Generalization
PEER trains a proxy model on augmented data under mutual information regularization, then periodically averages proxy snapshots into the task model, improving out-of-distribution accuracy and reducing mid-training fluctuation.