G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/68 (2006.01) G06K 9/34 (2006.01) G06K 9/78 (2006.01)
Patent
CA 2083632
Apparatus and processes are described for the automatic recognition of alphanumeric images. A set of cuts are made to the image which include incorrectsegmentations. The resulting "cells" comprising in their totality the created segments of the image are then analyzed to determine which cells are legal neighbors and which are not. All cells which are legal neighbors are then presented as connected nodes. A pruning of nodes which are related to certain predetermined image cuts is effected. Each set of remaining connected nodes is then presented to a recognizer which identifies the image and assigns a specified probability to theoutput. Many cells which are not legal neighbors are thereby not presented to the recognizer, thus saving substantially on computations per recognized image.
Appareil et procédés de reconnaissance automatique d'images alphanumériques. L'image fait l'objet d'un ensemble de coupures, portant entre autres sur des erreurs de segmentation. Les « cellules résultantes », regroupant la totalité des segments d'image créés, sont ensuite analysées afin de distinguer les cellules voisines qui sont admissibles et celles qui ne le sont pas. Toutes les cellules voisines admissibles sont ensuite présentées sous la forme de noeuds connectés. Un élagage des noeuds associés à certaines coupures d'image prédéterminées est effectué. Chaque ensemble de noeuds connectés restants est ensuite présenté à un reconnaisseur qui identifie l'image et assigne une probabilité déterminée à la sortie. De nombreuses cellules voisines non admissibles ne sont ainsi pas présentées au reconnaisseur, ce qui réduit sensiblement les calculs nécessaires par image reconnue.
Burges Christopher John
Lecun Yann Andre
Matan Ofer
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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