TY - Computer Engineering and Applications A1 - ZHOU Ruiye, SHEN Wenzhong T1 - PI-Unet:Research on Precise Iris Segmentation Neural Network Model for Heterogeneous Iris Y1 - 2021-08-01 JF - Computer Engineering and Applications JO - Computer Engineering and Applications SP - 223 EP - 229 VL - 57 IS - 15 UR - http://cea.ceaj.org N1 - 10.3778/j.issn.1002-8331.2005-0068 ER -