Figure 15From: Micro-crack detection of multicrystalline solar cells featuring an improved anisotropic diffusion filter and image segmentation techniqueImage segmentation results comparing the proposed and standard segmentation techniques. (a) Original image, (b) Otsu's thresholding, (c) Sobel edge detector, (d) Canny's hysteresis, (e) LoG filter, (f) FIR, (g) the proposed method, and (h) ground truth images.Back to article page