1. A method comprising: locating, by a processor, a pair of fiducial marks within a scanned image of a document on which the pair of fiducial marks have been printed; locating, by the processor, a code mark within the scanned image of the document on which the code mark have been printed, between and at least substantially collinear with the pair of fiducial marks that have been located on the scanned image; and, determining, by the processor, a location of a feature within the scanned image of the document other than the pair of fiducial marks and the code mark, based on the pair of fiducial marks and the code mark that have been located on the scanned image.