Fig. 26
From: Skewed alpha-stable distribution for natural texture modeling and segmentation in contourlet domain
Segmentation results for the previous mosaic in presence of Gaussian noise with density of 0.3. a Original image. b Hand-segmented image. c Gaussian features. d Rayleigh features. e Alpha-stable features. f Gaussian + contourlet features. g Rayleigh + contourlet features. h Alpha-stable + contourlet features. i Fractal dimension. j Fractal + contourlet. k Alpha-stable + wavelet