New improved 1-2-order fractional differential edge detection model based on Riemann-Liouville integral
WANG Chengxiao, HUANG Huixian, YANG Hui, XU Jianmin
Journal of Computer Applications . 2016, (1): 227 -232 .  DOI: 10.11772/j.issn.1001-9081.2016.01.0227