TY - Computer Engineering and Applications A1 - ZHANG Tai-fa1,CHENG Dong-xu2,SHI Duan-yin1 T1 - Enhanced method for contour extraction based on Log operator Y1 - 2008-07-11 JF - Computer Engineering and Applications JO - Computer Engineering and Applications SP - 183 EP - 185 VL - 44 IS - 22 UR - http://cea.ceaj.org N1 - 10.3778/j.issn.1002-8331.2008.22.054 ER -