A method, system and computer program for obtaining a digital model of an object. The method includes steps of (a) generating a low spatial resolution numerical representation of an object, such as a triangular mesh representation; (b) generating higher spatial resolution images of the object using a...http://www.google.co.uk/patents/US6677942?utm_source=gb-gplus-sharePatent US6677942 - Method and apparatus for acquiring normals maps consistent with low spatial resolution meshes