Fast linear sum assignment with error-correction and no cost constraints

被引:11
作者
Bougleux, Sebastien [1 ]
Gauzere, Benoit [2 ]
Blumenthal, David B. [3 ]
Brun, Luc [1 ]
机构
[1] Normandie Univ, UNICAEN, ENSICAEN, CNRS,GREYC,UMR 6072, F-14000 Caen, France
[2] Normandie Univ, UNIROUEN, UNIHAVRE, INSA Rouen,LITIS, F-76000 Rouen, France
[3] Free Univ Bozen Bolzano, Fac Comp Sci, Dominikanerpl 3, I-39100 Bolzano, Italy
关键词
Inexact graph matching; Linear assignment; Graph edit distance; GRAPH EDIT DISTANCE; COMPUTATION; ALGORITHM; SEARCH;
D O I
10.1016/j.patrec.2018.03.032
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
We propose an algorithm that efficiently solves the linear sum assignment problem with error-correction and no cost constraints. This problem is encountered for instance in the approximation of the graph edit distance. The fastest currently available solvers for the linear sum assignment problem require the pair-wise costs to respect the triangle inequality. Our algorithm is as fast as these algorithms, but manages to drop the cost constraint. The main technical ingredient of our algorithm is a cost-dependent factorization of the node substitutions. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码:37 / 45
页数:9
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