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) Processed diagrams of weldment B images. (a) Binary image of weldment B, treated by the contrast stretched method. (b) Curve indicating the gray scales of row 90 of panel (a).