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» On the b-coloring of P4-tidy graphs
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DAM
2011
13 years 5 months ago
On the b-coloring of P4-tidy graphs
A b-coloring of a graph is a coloring such that every color class admits a vertex adjacent to at least one vertex receiving each of the colors not assigned to it. The b-chromatic ...
Clara Inés Betancur Velasquez, Flavia Bonom...
ICDAR
2009
IEEE
13 years 8 months ago
Graph b-Coloring for Automatic Recognition of Documents
In order to reduce the rejection rate of our automatic reading system, we propose to pre-classify the business documents by introducing an Automatic Recognition of Documents stage...
Djamel Gaceb, Véronique Eglin, Frank Lebour...
CORR
2010
Springer
127views Education» more  CORR 2010»
13 years 10 months ago
Extended core and choosability of a graph
A graph G is (a, b)-choosable if for any color list of size a associated with each vertices, one can choose a subset of b colors such that adjacent vertices are colored with disjoi...
Yves Aubry, Godin Jean-Christophe, Togni Olivier