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Technical Symbols Recognition Using the Two-Dimensional Radon Transform

Salvatore Tabbone 1 Laurent Wendling 1
1 QGAR - Querying Graphics through Analysis and Recognition
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : We introduce a new method to generate feature vectors to be used in symbol recognition. We propose a new exploitation of the Radon transform to generate relevant features. The Radon transform is essentially a transformation of an image into a transform plane ($\rho,\theta$) represented by an accumulator in the discrete case. From the accumulator array we extract a signature (R-signature) which provides a global information of a binary shape whatever its type and its form. The signature allows to keep fundamental geometrical transformation like scale, translation and rotation.
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https://hal.inria.fr/inria-00100843
Contributor : Publications Loria <>
Submitted on : Tuesday, September 26, 2006 - 2:52:20 PM
Last modification on : Friday, February 26, 2021 - 3:28:06 PM

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  • HAL Id : inria-00100843, version 1

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Salvatore Tabbone, Laurent Wendling. Technical Symbols Recognition Using the Two-Dimensional Radon Transform. 16th International Conference on Pattern Recognition - ICPR 2002, 2002, Québec, Canada, 4 p. ⟨inria-00100843⟩

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