Mathematical model of blob matching and modified Bhattacharyya coefficient

被引：2
作者：
Lu, Na [1 ]
Feng, Zuren [1 ]
机构：
[1] Xi An Jiao Tong Univ, Syst Engn Inst, State Key Lab Mfg Syst Engn, Xian 710049, Shaanxi, Peoples R China
来源：
IMAGE AND VISION COMPUTING | 2008年 / 26卷 / 10期
基金：
中国国家自然科学基金;
关键词：
blob matching; Bhattacharyya coefficient; similarity measure; mathematical model;
D O I：
10.1016/j.imavis.2008.01.004
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A mathematical model of blob matching is developed in this paper. Based on the model, the matching performance of Bhattacharyya coefficient is analyzed and evaluated. The numerical critical conditions of biased matching and mistaken matching for Bhattacharyya coefficient are given. According to the model analysis, a modified version of Bhattacharyya coefficient is proposed, which improves the matching performance relative to the original one. The numerical analysis based on the new model and visual experiments both demonstrate the superior performance of the modified Bhattacharyya coefficient. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：1421 / 1434
页数：14
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