A method is provided for decoding data stored in a partial area of a coding pattern on a surface, based on a recorded image of the partial area. The coding pattern contains elements which each have at least two possible decoding values. The method identifies in the image a plurality of elements. The...http://www.google.fr/patents/US20030012455?utm_source=gb-gplus-shareBrevet US20030012455 - Method and device for data decoding
Numéro de demande: 10/179,263 Numéro de publication: US 2003/0012455 A1 Date de dépôt: 26 juin 2002 Brevet délivré: US6732927 ( Date de délivrance 11 mai 2004)