A Hybrid Approach to Detect Graphical Symbols in Documents
Identifieur interne : 001871 ( Istex/Checkpoint ); précédent : 001870; suivant : 001872A Hybrid Approach to Detect Graphical Symbols in Documents
Auteurs : Salvatore Tabbone [France] ; Laurent Wendling [France] ; Daniel Zuwala [France]Source :
- Lecture Notes in Computer Science [ 0302-9743 ]
Abstract
Abstract: We propose to combine a feature descriptor method with a structural representation of symbols. An adaptation of the Radon transform, keeping main geometric transformations usually required for the recognition of symbols, is provided. In order to improve the recognition step we directly process on the grey level document. In this perspective, a three-dimensional signature integrates into a same formalism both the shape of the object and its photometric variations. More precisely the signature is computed within the symbol following several grey levels. Additionally a structural representation of symbols allows to localize into the document candidate symbols.
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DOI: 10.1007/978-3-540-28640-0_33
Affiliations:
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An adaptation of the Radon transform, keeping main geometric transformations usually required for the recognition of symbols, is provided. In order to improve the recognition step we directly process on the grey level document. In this perspective, a three-dimensional signature integrates into a same formalism both the shape of the object and its photometric variations. More precisely the signature is computed within the symbol following several grey levels. Additionally a structural representation of symbols allows to localize into the document candidate symbols.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Villers-lès-Nancy</li></settlement></list><tree><country name="France"><region name="Grand Est"><name sortKey="Tabbone, Salvatore" sort="Tabbone, Salvatore" uniqKey="Tabbone S" first="Salvatore" last="Tabbone">Salvatore Tabbone</name></region><name sortKey="Tabbone, Salvatore" sort="Tabbone, Salvatore" uniqKey="Tabbone S" first="Salvatore" last="Tabbone">Salvatore Tabbone</name><name sortKey="Wendling, Laurent" sort="Wendling, Laurent" uniqKey="Wendling L" first="Laurent" last="Wendling">Laurent Wendling</name><name sortKey="Wendling, Laurent" sort="Wendling, Laurent" uniqKey="Wendling L" first="Laurent" last="Wendling">Laurent Wendling</name><name sortKey="Zuwala, Daniel" sort="Zuwala, Daniel" uniqKey="Zuwala D" first="Daniel" last="Zuwala">Daniel Zuwala</name><name sortKey="Zuwala, Daniel" sort="Zuwala, Daniel" uniqKey="Zuwala D" first="Daniel" last="Zuwala">Daniel Zuwala</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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