Method for mail address block image information encoding,...

G - Physics – 06 – F

Patent

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Details

G06F 11/30 (2006.01) G06F 12/14 (2006.01) H04L 9/00 (2006.01) H04L 9/32 (2006.01)

Patent

CA 2549678

The present invention uses an element of digital data that is created during digital postage mark (DPM) generation process from the digital image of the destination address block. The digital data is included into recoverable portion of the digital signature and imprinted on a mailpiece. During DPM verification, a representative portion of a destination address block image is retrieved in its original form from the digital signature itself. The retrieved portion of the image then can be compared with the similar digital data obtained from the scanned destination address block obtained during normal mail scanning and processing activities. If the comparison is under a predetermined threshold, then the DPM is declared authentic and the mailpiece can be processed and delivered with confidence. If, on the other hand, the threshold is not met, the DPM is declared a copy or a counterfeit of another DPM and the mailpiece can be subjected to further investigation.

L'invention utilise un élément de données numériques produit, lors d'un processus d'affranchissement postal numérique (DPM), à partir de l'image numérique du bloc d'adresse de destination. Les données numériques sont incluses dans la partie récupérable de la signature numérique et imprimées sur un courrier. Pendant la vérification du DPM, une partie représentative de l'image du bloc d'adresse de destination est récupérée sous sa forme originale à partir de la signature numérique. La partie récupérée de l'image peut ensuite être comparée aux données numériques similaires provenant du balayage du bloc d'adresse de destination et des activités normales de traitement du courrier. Si le résultat de la comparaison se situe au-dessous d'un seuil prédéterminé, le DPM est établi comme étant authentique et le courrier peut être traité et remis en toute confiance. Mais si ce seuil n'est pas atteint, le DPM est établi comme étant une copie, une contrefaçon ou un autre DPM et le courrier est soumis à un examen complémentaire.

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