Pollen Grain Classification Challenge 2020

This report summarises the Pollen Grain Classification Challenge 2020, and the related findings. It serves as an introduction to the technical reports that were submitted to the competition section at the 25th International Conference on Pattern Recognition (ICPR 2020), related to the Pollen Grain Classification Challenge. The challenge is meant to develop automatic pollen grain classification systems, by leveraging on the first large scale annotated dataset of microscope pollen grain images.