Method for identifying a sign on a deformed document

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United States of America Patent

PATENT NO 10025977
APP PUB NO 20160104039A1
SERIAL NO

14878837

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Abstract

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This invention relates to a method for identifying a sign on an image of a document that can be deformed comprising:

    an acquisition (E1) of said digital image of said document;a determination (E2) in the acquired image of at least one candidate sign region using an image segmentation algorithm,for each candidate sign region, a calculation (E3) of a signature comprising a piece of information concerning the location in the acquired image of said candidate sign region and a region descriptor concerning the local characteristics of the image in said region,an identification (E4) of a sign on the image of the document using the calculated signatures comprising jointly a comparison (E41) of the calculated signatures with reference signatures concerning sign regions of document models, said comparison being carried out according to a geometric deformation model of said document, and an estimation (E42) according to said comparison of said geometric deformation model.

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Patent Owner(s)

Patent OwnerAddress
CARRUS GAMING30 RUE DES PETITS HOTELS PARIS 75010

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beaudet, Jean Issy les Moulineaux, FR 26 48
Rostaing, Laurent Issy les Moulineaux, FR 9 38
Rouh, Alain Issy les Moulineaux, FR 14 107

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