Analyses on CT Image of Gray Rock Uniaxial Compressive Failure Process Based on MATLAB

The uniaxial compressive failure process CT images of gray rock were analysised based on Matlab. Matlab is used to transfer gray rock CT images into gray histogram which can be observed directly so as to see clearly the damage evolution process of gray rock under loading. By comparison, gray histogram is consistent with the result presented by original CT image. The gray histogram equalized by Matlab can show clearly the change trend and process of gray rock internal defects and micro cracks. Gray histogram is a good method to observe and analyses CT images.