Wall Crack Detection and Damage Assessment Based on Image Detection
Wall crack is detected through MATLAB graphics processing toolbox.Original image is segmented using threshold segmentation method.Cracks are separated from background.The edge detection of the binary im-age and the false color filling in the connected area of the image to mark the wall surface crack can improve the de-tection efficiency of the wall surface crack,the fractal theory is introduced to quantitatively evaluate the damage de-gree of wall crack,which is a complex form.The results show that the fractal dimension can effectively characterize the damage degree of wall crack.
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