%0 Journal Article %A ZHANG Tai-fa %A CHENG Dong-xu %A SHI Duan-yin %T Enhanced method for contour extraction based on Log operator %D 2008 %R 10.3778/j.issn.1002-8331.2008.22.054 %J Computer Engineering and Applications %P 183-185 %V 44 %N 22 %X Based on the analysis of the Log operator,a creative algorithm,which fetching points by virtue of raster scan and extracting contours with border following,is provided and fulfilled ground on the binary-value images obtained through preprocessing.The experiment results prove that the noise can be removed and the efficiency is greatly enhanced.The display performance is well. %U http://cea.ceaj.org/EN/10.3778/j.issn.1002-8331.2008.22.054