An Application of Pixel Interval Down-Sampling (PID) for Dense Tiny Microorganism Counting on Environmental Microorganism Images - Zhang, Jiawei; Zhao, Xin; Jiang, Tao; Rahaman, Md Mamunur; Yao, Yudong; Lin, Yu-Hao; Zhang, Jinghua; Pan, Ao; Grzegorzek, Marcin; Li, Chen (Applied Sciences, 2022)