1. A method for processing a radiographic image of a scanned object, the method comprising: acquiring radiographic image data corresponding to a scanned object; identifying one or more regions of interest in the radiographic image data corresponding to the scanned object; and performing an image-contrast comparison of the radiographic image data corresponding to the scanned object and one or more reference radiographic images, to identify one or more defects in the radiographic image data corresponding to the scanned object.