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	Author	Andreas Fischer; Ching Y. Suen; Volkmar Frinken; Kaspar Riesen; Horst Bunke
	Title	A Fast Matching Algorithm for Graph-Based Handwriting Recognition			Type	Conference Article
	Year	2013	Publication	9th IAPR – TC15 Workshop on Graph-based Representation in Pattern Recognition	Abbreviated Journal
	Volume	7877	Issue		Pages	194-203
	Keywords
	Abstract	The recognition of unconstrained handwriting images is usually based on vectorial representation and statistical classification. Despite their high representational power, graphs are rarely used in this field due to a lack of efficient graph-based recognition methods. Recently, graph similarity features have been proposed to bridge the gap between structural representation and statistical classification by means of vector space embedding. This approach has shown a high performance in terms of accuracy but had shortcomings in terms of computational speed. The time complexity of the Hungarian algorithm that is used to approximate the edit distance between two handwriting graphs is demanding for a real-world scenario. In this paper, we propose a faster graph matching algorithm which is derived from the Hausdorff distance. On the historical Parzival database it is demonstrated that the proposed method achieves a speedup factor of 12.9 without significant loss in recognition accuracy.
	Address	Vienna; Austria; May 2013
	Corporate Author				Thesis
	Publisher	Springer Berlin Heidelberg	Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title	LNCS
	Series Volume		Series Issue		Edition
	ISSN	0302-9743	ISBN	978-3-642-38220-8	Medium
	Area		Expedition		Conference	GBR
	Notes	DAG; 600.045; 605.203			Approved	no
	Call Number	Admin @ si @ FSF2013			Serial	2294
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