1. A computer-implemented process for converting the contents of a planar object into a high-resolution image, comprising the process actions of: acquiring a sequence of images of [[a]] portions of a planar object which have been captured in a prescribed pattern and wherein each subsequent image overlaps a previous image in said pattern; extracting points of interest in each image; matching said points of said interest between each pair of successive images; computing a projective mapping between each pair of successive images in order to determine corresponding pixel locations in the images; and generating a composite image from said sequence of images using said projective mapping.