Figure 9From: Micro-crack detection of multicrystalline solar cells featuring an improved anisotropic diffusion filter and image segmentation techniqueResults after image segmentation using double thresholding technique. (a) Defected sample and (b) good sample: (i) B S with α S  = 0, (ii) B T with α T  = -4, and (iii) B F .Back to article page