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In the x-ray generated images of concrete structures with cracks, the location of the cracks are being presented in the form of (r, theta, alpha)
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Here, r = radial distance of the centre oof the crack from the mid of the top-edge of the image theta = angle that the radial vector from the mid of top-edge to the centre of the crack is making with the vertical alpha = the inclination of the crack Below is the example of the x-ray image being worked on
