Research Article

MATLAB Image Treatment of Copper-Steel Laser Welding

Figure 15

Real weld seam for copper/steel metals and the extracted keyhole and weld pool geometry for different welding speeds. (a)  = 0.5 m/min, (b)  = 1 m/min, (c)  = 2 m/min, (d)  = 2.5 m/min, and (e)  = 3 m/min.