Symbol Spotting using Full Visibility Graph Representation
Identifieur interne : 004800 ( Main/Exploration ); précédent : 004799; suivant : 004801Symbol Spotting using Full Visibility Graph Representation
Auteurs : Hervé Locteau [France] ; Sébastien Adam [France] ; Eric Trupin [France] ; Jacques Labiche [France] ; Pierre Héroux [France]Source :
Abstract
In this paper, a method for matching symbols in line-drawings is presented. Facing both segmentation and recognition of symbols is a difficult challenge. Starting from the results of a vectorization proce- dure, a visibility graph is built to enhance the main geometric constraints which were specified during the construction of the initial document. The cliques detection, which correspond to a perceptual grouping of primi- tives, is used in the system to detect regions of particular interest. Both opened and perceptually closed curves are identified from aggregation of cliques. Finally, the recognition stage uses an attributed edit distance technique to match approximated curves within the host attributed re- lation graph and the ones from a collection of symbols.
Url:
Affiliations:
- France
- Grand Est, Haute-Normandie, Lorraine (région), Région Normandie
- Le Havre, Nancy, Rouen
- Institut national polytechnique de Lorraine, Université Nancy 2, Université de Lorraine, Université de Rouen, Université du Havre
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- to stream Main, to step Merge: 004949
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Le document en format XML
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76821 Mont-Saint-Aignan</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-rouen.fr/</ref></desc></org></tutelle><tutelle active="#struct-301288" type="indirect"><org type="department" xml:id="struct-301288" status="VALID"><orgName>Institut National des Sciences Appliquées - Rouen</orgName><orgName type="acronym">INSA Rouen</orgName><desc><address><country key="FR"></country></address></desc><listRelation><relation active="#struct-301232" type="direct"></relation></listRelation></org></tutelle><tutelle active="#struct-301232" type="indirect"><org type="institution" xml:id="struct-301232" status="VALID"><orgName>Institut National des Sciences Appliquées</orgName><orgName type="acronym">INSA</orgName><desc><address><country key="FR"></country></address></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Le Havre</settlement><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region></placeName><orgName type="university">Université du Havre</orgName><placeName><settlement type="city">Rouen</settlement><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author><author><name sortKey="Trupin, Eric" sort="Trupin, Eric" uniqKey="Trupin E" first="Eric" last="Trupin">Eric Trupin</name><affiliation wicri:level="1"><hal:affiliation type="researchteam" xml:id="struct-389520" status="INCOMING"><orgName>DOCAPP</orgName><desc><address><country key="FR"></country></address></desc><listRelation><relation active="#struct-23832" type="direct"></relation><relation active="#struct-300317" type="indirect"></relation><relation name="EA4108" active="#struct-300318" type="indirect"></relation><relation active="#struct-301288" type="indirect"></relation><relation active="#struct-301232" type="indirect"></relation></listRelation><tutelles><tutelle active="#struct-23832" type="direct"><org type="laboratory" xml:id="struct-23832" status="VALID"><orgName>Laboratoire d'Informatique, de Traitement de l'Information et des Systèmes</orgName><orgName type="acronym">LITIS</orgName><desc><address><addrLine>Avenue de l'Université UFR des Sciences et Techniques 76800 Saint-Etienne du Rouvray</addrLine><country key="FR"></country></address><ref type="url">http://www.litislab.eu</ref></desc><listRelation><relation active="#struct-300317" type="direct"></relation><relation name="EA4108" active="#struct-300318" type="direct"></relation><relation active="#struct-301288" type="direct"></relation><relation active="#struct-301232" type="indirect"></relation></listRelation></org></tutelle><tutelle active="#struct-300317" type="indirect"><org type="institution" xml:id="struct-300317" status="VALID"><orgName>Université du Havre</orgName><desc><address><country key="FR"></country></address></desc></org></tutelle><tutelle name="EA4108" active="#struct-300318" type="indirect"><org type="institution" xml:id="struct-300318" status="VALID"><orgName>Université de Rouen</orgName><desc><address><addrLine> 1 rue Thomas Becket - 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76821 Mont-Saint-Aignan</addrLine><country key="FR"></country></address><ref type="url">http://www.univ-rouen.fr/</ref></desc></org></tutelle><tutelle active="#struct-301288" type="direct"><org type="department" xml:id="struct-301288" status="VALID"><orgName>Institut National des Sciences Appliquées - Rouen</orgName><orgName type="acronym">INSA Rouen</orgName><desc><address><country key="FR"></country></address></desc><listRelation><relation active="#struct-301232" type="direct"></relation></listRelation></org></tutelle><tutelle active="#struct-301232" type="indirect"><org type="institution" xml:id="struct-301232" status="VALID"><orgName>Institut National des Sciences Appliquées</orgName><orgName type="acronym">INSA</orgName><desc><address><country key="FR"></country></address></desc></org></tutelle></tutelles></hal:affiliation><country>France</country><placeName><settlement type="city">Le Havre</settlement><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region></placeName><orgName type="university">Université du Havre</orgName><placeName><settlement type="city">Rouen</settlement><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region></placeName><orgName type="university">Université de Rouen</orgName></affiliation></author></analytic></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this paper, a method for matching symbols in line-drawings is presented. Facing both segmentation and recognition of symbols is a difficult challenge. Starting from the results of a vectorization proce- dure, a visibility graph is built to enhance the main geometric constraints which were specified during the construction of the initial document. The cliques detection, which correspond to a perceptual grouping of primi- tives, is used in the system to detect regions of particular interest. Both opened and perceptually closed curves are identified from aggregation of cliques. Finally, the recognition stage uses an attributed edit distance technique to match approximated curves within the host attributed re- lation graph and the ones from a collection of symbols.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Grand Est</li><li>Haute-Normandie</li><li>Lorraine (région)</li><li>Région Normandie</li></region><settlement><li>Le Havre</li><li>Nancy</li><li>Rouen</li></settlement><orgName><li>Institut national polytechnique de Lorraine</li><li>Université Nancy 2</li><li>Université de Lorraine</li><li>Université de Rouen</li><li>Université du Havre</li></orgName></list><tree><country name="France"><region name="Grand Est"><name sortKey="Locteau, Herve" sort="Locteau, Herve" uniqKey="Locteau H" first="Hervé" last="Locteau">Hervé Locteau</name></region><name sortKey="Adam, Sebastien" sort="Adam, Sebastien" uniqKey="Adam S" first="Sébastien" last="Adam">Sébastien Adam</name><name sortKey="Heroux, Pierre" sort="Heroux, Pierre" uniqKey="Heroux P" first="Pierre" last="Héroux">Pierre Héroux</name><name sortKey="Labiche, Jacques" sort="Labiche, Jacques" uniqKey="Labiche J" first="Jacques" last="Labiche">Jacques Labiche</name><name sortKey="Trupin, Eric" sort="Trupin, Eric" uniqKey="Trupin E" first="Eric" last="Trupin">Eric Trupin</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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