Scanning process for optical reading strips and apparatus...

G - Physics – 06 – K

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G06K 9/22 (2006.01) G06K 7/14 (2006.01)

Patent

CA 2674191

In a scanning process for optical reading strips (3), for instance according to the ICAO-MRTD standard, a precise reading is performed at the same time without requiring a complex scanning procedure through the steps of : scanning a plurality of distinct images (F) of the optical reading strip (3), so as they cover in overlapping an effective surface of the optical reading strip (3); performing an optical character recognition (OCR) for each of the images of said plurality, obtaining, for each of them, a set of characters (T); identifying, for each of said sets of characters (T), said index characters (Y); and identifying, in said sets of characters (T), those characters (F) which are present in more than one set of characters (T), performing accordingly a correct positioning of all the characters of said sets according to said positioning pattern.

Dans un procédé de balayage de bandes de lecture optique (3), par exemple selon la norme ICAO-MRTD, une lecture précise est effectuée simultanément sans nécessiter une procédure de balayage complexe. Ledit procédé consiste à balayer une pluralité d'images distinctes (F) de la bande de lecture optique (3) de manière que lesdits images couvrent par chevauchement une surface effective de la bande de lecture optique (3), à effectuer une reconnaissance optique de caractères (OCR) pour chacune des images de la pluralité d'images, à obtenir, pour chacune d'elles, une série de caractères (T), à identifier, pour chaque série de caractères (T), les caractères d'index (Y), à identifier, dans lesdites séries de caractères (T), les caractères (F) qui sont présents dans plus d'une série de caractères (T), et à effectuer en conséquence un positionnement correct de tous les caractères de ces séries selon le modèle de positionnement.

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