Method for identifying a character in a digital image

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United States of America Patent

PATENT NO 9836646
APP PUB NO 20170109573A1
SERIAL NO

14884361

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Abstract

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The invention relates to a method for combining a first Optical Character Recognition (OCR) and a second OCR. The first OCR is run first on an image of string of characters. Its output (first identified characters, positions of the characters and likelihood parameters of the characters) is used to generate a first graph. Segmentation points related to the positions of the first identified characters are used as input by the second OCR performing a combined segmentation and classification on the image of string of characters. The output (second identified characters, positions of the characters and likelihood parameters of the characters) of the second OCR is used to update the first graph to generate a second graph that combines the output of the first OCR with the output of the second OCR. Decision models are then used to modify the weights of paths in the second graph to generate a third graph. A best path is determined on the third graph to obtain the identification of the characters present in the image of string of characters.

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Patent Owner(s)

Patent OwnerAddress
I R I SPARC SCIENTIFIQUE DE LOUVAIN-LA NEUVE RUE DU BOSQUET 10 MONT-SAINT-GUIBERT 1435

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Collet, Frederic Etterbeek, BE 8 57
Dauw, Michel Machelen, BE 28 195
De, Muelenaere Pierre Court-Saint-Etienne, BE 19 110
Hautot, Jordi Neupre, BE 9 52

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