[2011.01614] Generalized Wasserstein Dice Score ...
https://arxiv.org/abs/2011.0161403.11.2020 · The generalized Wasserstein Dice loss is a per-sample loss function that allows taking advantage of the hierarchical structure of the tumor regions labeled in BraTS. Distributionally robust optimization is a generalization of empirical risk minimization that accounts for the presence of underrepresented subdomains in the training dataset.