Imbalance-Effective Active Learning in Nucleus, Lymphocyte and Plasma Cell Detection. - Chao-Ting Li; Hung-Wen Tsai; Tseng-Lung Yang; Jung-Chi Lin; Nan-Haw Chow; Yu Hen Hu; Kuo-Sheng Cheng; Pau-Choo Chung (iMIMIC/MIL3ID/LABELS@MICCAI, 2020)