Figure 7From: Micro-crack detection of multicrystalline solar cells featuring an improved anisotropic diffusion filter and image segmentation techniqueImage filtering comparing conventional and proposed anisotropic diffusion filters. (a) Synthetic image. (b) Horizontal scan line of (a). (c) Diffused image using Equation 6 with K = 2 and t = 100; (d) Diffused image using Equation 7 with b = 0.1, ϵ = 128, and t = 100.Back to article page