Geodesic
A Semi-Topological Classification of the Line Figures
Yugoslav journal of operations research, Tome 7 (1997) no. 2, p. 167 Cet article a éte moissonné depuis la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

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In this paper a subclass of line figures, which are finite unions of arcs . is considered . We call such a figure a form. To each form 11 numerical sequence related to the Euler characteristic of the underlying space of the form is attached . We prove that a form can be decomposed into simple ones. On the basis of this decomposition, to each form a matrix, as a way of arithmetization of the structure of the form, is attached. Finally, this leads to a semi-topological classification of forms. Then, invariant properties of this classification are taken as a basis for character recognition.
Classification : 68T10
Keywords: Line figures , semi-topological classification, character recognition 
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     author = {Miroslav Marjanovi\'c and Sr{\dj}an Stankovi\'c and Rajko Tomovi\'c},
     title = {A {Semi-Topological} {Classification} of the {Line} {Figures}},
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     year = {1997},
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     zbl = {0942.68115},
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Miroslav Marjanović; Srđan Stanković; Rajko Tomović. A Semi-Topological Classification of the Line Figures. Yugoslav journal of operations research, Tome 7 (1997) no. 2, p. 167 . http://geodesic.mathdoc.fr/item/YJOR_1997_7_2_a0/