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Poster

Test-Time Training with Self-Supervision for Generalization under Distribution Shifts

Yu Sun · Xiaolong Wang · Zhuang Liu · John Miller · Alexei Efros · Moritz Hardt

Virtual

Keywords: [ Robust Statistics and Machine Learning ] [ Trustworthy Machine Learning ] [ Algorithms ]


Abstract:

In this paper, we propose Test-Time Training, a general approach for improving the performance of predictive models when training and test data come from different distributions. We turn a single unlabeled test sample into a self-supervised learning problem, on which we update the model parameters before making a prediction. This also extends naturally to data in an online stream. Our simple approach leads to improvements on diverse image classification benchmarks aimed at evaluating robustness to distribution shifts.

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