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Open Access item A comparison between two representatives of a set of graphs: median vs barycenter graph

Authors:Bardaji, I.
Ferrer, Miquel
Sanfeliu, Alberto
Keywords:Median graph, Barycenter graph, Graph matching, Pattern recognition, Pattern recognition systems
Issue Date:2010
Publisher:Springer
Citation:Structural, Syntactic, and Statistical Pattern Recognition: 149-158 (2010)
Series/Report no.:Lecture Notes in Computer Science 6218
Abstract:In this paper we consider two existing methods to generate a representative of a given set of graphs, that satisfy the following two conditions. On the one hand, that they are applicable to graphs with any kind of labels in nodes and edges and on the other hand, that they can handle relatively large amount of data. Namely, the approximated algorithms to compute the Median Graph via graph embedding and a new method to compute the Barycenter Graph. Our contribution is to give a new algorithm for the barycenter computation and to compare it to the median Graph. To compare these two representatives, we take into account algorithmic considerations and experimental results on the quality of the representative and its robustness, on several datasets.
Description:Trabajo presentado al Joint IAPR International Workshop on Structural, Syntactic and Statistical Pattern Recognition (SSPR&SPR) celebrado en Esmirna (Turquía) del 18 al 20 de agosto de 2010.
Publisher version (URL):http://dx.doi.org/10.1007/978-3-642-14980-1_14
URI:http://hdl.handle.net/10261/30161
ISBN:978-3-642-14979-5
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