Computer apparatus and method in a computer system provides shape matching. A template of a desired shape is matched to a subset of points in a subject image. The matching is determined according to an arbitrarily complex function of image point values and template point values followed by an arbitrary...http://www.google.de/patents/US5222155?utm_source=gb-gplus-sharePatent US5222155 - Computer apparatus and method for fuzzy template shape matching using a scoring function