A color image of a circuit board is divided into respective color regions. Plural representative colors are set, and angle indices and distance indices are calculated for each pixel color in the color image in a predetermined color space. The angle indices for a particular pixel color represent angles...http://www.google.fr/patents/US20020146167?utm_source=gb-gplus-shareBrevet US20020146167 - Region segmentation of color image
Numéro de demande: 10/077,962 Numéro de publication: US 2002/0146167 A1 Date de dépôt: 20 févr. 2002 Brevet délivré: US7031510 ( Date de délivrance 18 avr. 2006)
