Novel inspection of welded joint microstructure using magneto-optical imaging technology

Gao Xiang-dong^{1, †}, Li Zheng-wen¹, You De-yong¹, Katayama Seiji²

(color online) Image processed diagrams of weldment A. (a) Binary image of weldment B. (b) Curve indicating the gray scales of row 40 in panel (a).