[1] [1] Kurokawa K, Morimoto M, Fujii K. On-stream defect detection of metal artifacts from line CCD image [C]//Automation Congress, Hawaii, America, Sept 28 - Oct 2, 2008: 1-6.

[3] [3] Yazdchi M R, Mahyari A G, Nazeri A. Detection and classification of surface defects of cold rolling mill steel using morphology and neural network [C]// Computational Intelligence for Modelling Control & Automation, Vienna, Austria, Dec 10-12, 2008: 1071-1076.