Upon registration, a client extracts plural feature points and information (identification information) by which each of the feature points can be identified, from a user's fingerprint, and randomly generates a transformation parameter for each feature point to transform the coordinates and direction....http://www.google.fr/patents/US7840034?utm_source=gb-gplus-shareBrevet US7840034 - Method, system and program for authenticating a user by biometric information
Method, system and program for authenticating a user by biometric information
