A variance-gated uncertainty measure built from ensemble mean and variance is introduced, and the paper reports that last-layer ensembles collapse in diversity during extended training.
Why M Heads are Better than One: Training a Diverse Ensemble of Deep Networks, 2015
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Uncertainty Estimation using Variance-Gated Distributions
A variance-gated uncertainty measure built from ensemble mean and variance is introduced, and the paper reports that last-layer ensembles collapse in diversity during extended training.