The University of Tokyo / RIKEN AIP; IBM Research; Tokyo Institute of Technology / RWBC-OIL, AIST; RIKEN AIP / The University of Tokyo
Nontawat Charoenphakdee, Jayakorn Vongkulbhisal, Nuttapong Chairatanakul, Masashi Sugiyama
On Focal Loss for Class-Posterior Probability Estimation: A Theoretical Perspective