Method for extraction of a characteristic feature of a contour image

被引：0
|
作者：
Niedziela, T
Stankiewicz, A
Szymcak, R
Swietochowski, M
机构：
[1] Mil Univ Technol, Inst Tech Phys, PL-00489 Warsaw, Poland
[2] Warsaw Univ, Fac Phys, PL-02093 Warsaw, Poland
来源：
OPTICA APPLICATA | 1999年 / 29卷 / 04期
关键词：
Calculations - Edge detection - Neural networks - Object recognition - Two dimensional;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A method for extraction of a set of invariant characteristic features is proposed and examples of its application are presented in the paper. The image features are connected with angles between arbitrary line segments - the fragments of the contour. The information of spatial orientation of contour segments is obtained from the behaviour of the image gradient on the contour. The angles between segments are calculated by means of operations on the histogram of contour angles.
引用
收藏
页码：573 / 581
页数：9
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