Recognition-Based Segmentation of Nom Characters from Body Text Regions of Stele Images Using Area Voronoi Diagram
Identifieur interne : 000920 ( Main/Exploration ); précédent : 000919; suivant : 000921Recognition-Based Segmentation of Nom Characters from Body Text Regions of Stele Images Using Area Voronoi Diagram
Auteurs : V. Hoang [Viêt Nam, France] ; Salvatore Tabbone [France] ; Ngoc-Yen Pham [Viêt Nam]Source :
- Lecture Notes in Computer Science [ 0302-9743 ] ; 2009.
Abstract
Abstract: Segmentation of Nom characters from body text regions of stele images is a challenging problem due to the confusing spatial distribution of the connected components composing these characters. In this paper, for each vertical text line, area Voronoi diagram is employed to represent the neighborhood of the connected components and Voronoi edges are used as nonlinear segmentation hypotheses. Characters are then segmented by selecting appropriate adjacent Voronoi regions. For this purpose, we utilize the information about the horizontal overlap of connected components and the recognition distances of candidate characters provided by an OCR engine. Experimental results show that the proposed method is highly accurate and robust to various types of stele.
Url:
DOI: 10.1007/978-3-642-03767-2_25
Affiliations:
- France, Viêt Nam
- Alsace-Champagne-Ardenne-Lorraine, Lorraine
- Vandoeuvre-lès-Nancy
- Université Nancy 2
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In this paper, for each vertical text line, area Voronoi diagram is employed to represent the neighborhood of the connected components and Voronoi edges are used as nonlinear segmentation hypotheses. Characters are then segmented by selecting appropriate adjacent Voronoi regions. For this purpose, we utilize the information about the horizontal overlap of connected components and the recognition distances of candidate characters provided by an OCR engine. Experimental results show that the proposed method is highly accurate and robust to various types of stele.</div></front></TEI><affiliations><list><country><li>France</li><li>Viêt Nam</li></country><region><li>Alsace-Champagne-Ardenne-Lorraine</li><li>Lorraine</li></region><settlement><li>Vandoeuvre-lès-Nancy</li></settlement><orgName><li>Université Nancy 2</li></orgName></list><tree><country name="Viêt Nam"><noRegion><name sortKey="Hoang, V" sort="Hoang, V" uniqKey="Hoang V" first="V." last="Hoang">V. 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