A dataset of atypical vs normal mitoses classification for MIDOG - 2025

The MIDOG 2025 Atypical Training Set contains atypical and normal mitotic figure subclassification for the entire MIDOG++ dataset, encompassing 11,939 mitotic figures from all 7 domains of MIDOG++ for which we provide a three expert blinded majority vote result. In this version, we fixed a minor error of one repeated entry and one missing entry in the csv file.