Fig. 3From: Evaluation of the peri-implant bone trabecular microstructure changes in short implants with fractal analysisFractal analysis stages. a Selected region of interest (ROI). b Cropped and duplicated version of ROI. c Addition of Gaussian filter. d Subtraction. e Addition of 128 pixels. f Binarized version. g Eroded version. h Dilated version. i Inverted version j SkeletonizationBack to article page