Crack detection based on percolation algorithm and improved OPTA
SONG Qiang1, LIN Guoying1, MA Jingqi2,3, WU Liangsheng2,3, HE Feng2,3
Computer Engineering and Applications . 2017, (6): 200 -203 .  DOI: 10.3778/j.issn.1002-8331.1508-0227