Graph-based features for texture discrimination

被引:0
作者
Grigorescu, C [1 ]
Petkov, N [1 ]
机构
[1] Univ Groningen, Dept Comp Sci, NL-9700 AV Groningen, Netherlands
来源
15TH INTERNATIONAL CONFERENCE ON PATTERN RECOGNITION, VOL 3, PROCEEDINGS: IMAGE, SPEECH AND SIGNAL PROCESSING | 2000年
关键词
texture features; graph representation; discrimination; Mahalanobis distance; Gabor filters;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Graph-based features, such as the number of connected components, edges of a given orientation and vertices per unit area? and the number of vertices and pixels per connected component, are proposed for the analysis of textures which consist of structural elements. The proposed set of features is compared with features obtained by a typical filter-based scheme which makes use of Gabor filters. The discrimination properties of the two types of features are assessed by evaluating the separability of sets of feature vectors which are derived from different types of texture using the Maha-lanobis distance. The graph-based features are shown to be superior to the filter-based features for the class of concerned textures. They are particularly suited for discrimination between textures which have the same spatial and orientation regularity but consist of elements of different form.
引用
收藏
页码:1076 / 1079
页数:4
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