Figure 6
From: Weld defect detection using a modified anisotropic diffusion model
Diffusion results of the radiographic images: (a1, a2) defective radiographic images; (b1, b2) respective diffusion results using the P-M model; (d1, d2) respective diffusion results using the Shin-Du model; (f1, f2) respective diffusion results using the proposed model; (c1, c2), (e1, e2), (g1, g2) thresholding results using Otsu method.