Optimization in Sparse 2D to Dense 3D Weakly Supervised Learning: Application to Multi-Label Segmentation of Large ex vivo MRI Data. - Paul Hoareau; Kuan Yi Wang; Brandon Bujak; Roy Sun; Govind Nair; Irene C. M. Cortese; Charidimos Tsagkas; Daniel S. Reich; Julien Cohen-Adad (CoRR, 2026)