Center-Guided and Connectivity-Preserving Network for Grain Size Measurement. - Han Yu; Erfeng Shang; Xingjie Li 003; Huasheng Xie; Zhi Zhu; Zhaowei Song; Xiao Liang; Kechen Song; Yunhui Yan; Xinyue Li; Wenwu Ren (IEEE Trans. Instrum. Meas., 2022)