Fig. 2From: Use of X-ray micro computed tomography imaging to analyze the morphology of wheat grain through its developmentWorkflow of wheat grain segmentation on MATLAB. a A μCT cross-sectional slice in 16-bit greyscale. b Cumulative histogram of all μCT slices of a sample. c Choice of global thresholding value using a histogram thresholding technique. d Region selection using 3D connected components, then median filter applied to smooth and remove noise from segmented imageBack to article page