A weld pool image segmentation method based on FCM cooperative CV model is proposed for the weld pool image of GMA-AM.The algorithm uses the FCM segmentation theory to set the initial position

and then uses the CV active contour model to extract the weld pool profile.The results show that the FCM-CV algorithm eliminates the problem that the CV model is sensitive to the initial position and can effectively extract the contour of the weld pool under different process conditions.Compared with the traditional segmentation method

the weld pool profile of FCM-CV is accurate

smooth and closed.Also

the algorithm can accurately extract the contours of the arc

scum and the tail of the weld pool

and it has good adaptability and stability.