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Un modelo sintáctico para la representación, segmentación y reconocimiento de símbolos texturados en documentos gráficos

Abstract : This work focuses on the textured graphical symbols analysis, that means symbols formed by a structured texture. Structural textures are defined by one or more texels placed following placement rules. In our model those texels are polygons or line segments. An input document is modelized by means of a Region Adjacency Graph, where the nodes represent polygonals and the edges their spatial relations. Some problems are solved. First the segmentation of structural textures by means of a hierarchical clustering of similar polygons and placement rules. Then the modelization of textured symbols by means of a graph grammar with error productions and the recognition of those symbols parsing with the grammar rules over an input graph. The grammar is automatically inferred from the representatives of the different found clusters, computed as the mean shape and the mean placement rule of all the elements forming the cluster
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Theses
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http://docnum.univ-lorraine.fr/prive/SCD_T_2001_0263_SANCHEZ_ALBALADEJO.pdf
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https://hal.univ-lorraine.fr/tel-01746487
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Submitted on : Thursday, March 29, 2018 - 10:38:53 AM
Last modification on : Tuesday, December 15, 2020 - 3:35:05 PM

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  • HAL Id : tel-01746487, version 1

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Gema Sánchez Albaladejo. Un modelo sintáctico para la representación, segmentación y reconocimiento de símbolos texturados en documentos gráficos. Other [cs.OH]. Université Henri Poincaré - Nancy 1, 2001. Español. ⟨NNT : 2001NAN10263⟩. ⟨tel-01746487⟩

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