Systems and methods for performing clustering of a document image are disclosed. A property of an extracted mark from a document is compared to the properties of the existing clusters. If the property of the mark fails to match any of the properties of the existing clusters, the mark is added as a new...http://www.google.fr/patents/US20050271281?utm_source=gb-gplus-shareBrevet US20050271281 - Clustering
Numéro de demande: 11/198,562 Numéro de publication: US 2005/0271281 A1 Date de dépôt: 5 août 2005 Brevet délivré: US7376275 ( Date de délivrance 20 mai 2008)
