Fig. 2From: An improved method for the segmentation of roots from X-ray computed tomography 3D images: Rootine v.2Results of the steps of Rootine v.2 for a subvolume of the worse case scenario. a The original grayscale image. b The obtained image after denoising with the 3D NLM filter. c The obtained image after performing edge enhancement of b. d Resulting image after background removal with ADT on c. e Results of the root segmentation applied on d before applying postprocessing steps. f Segmented roots after applying the postprocessing steps on eBack to article page