A prototype-based ensemble head with explicit diversity regularization improves worst-group accuracy on nine subpopulation shift benchmarks, often matching or beating prior state of the art.
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Diverse Prototypical Ensembles Improve Robustness to Subpopulation Shift
A prototype-based ensemble head with explicit diversity regularization improves worst-group accuracy on nine subpopulation shift benchmarks, often matching or beating prior state of the art.