Affine invariant feature extraction using symmetry

被引：0

作者：

Anjulan, A ^{[1
]}

Canagarajah, N ^{[1
]}

机构：

[1] Univ Bristol, Dept Elect & Elect Engn, Bristol BS8 1TH, Avon, England

来源：

ADVANCED CONCEPTS FOR INTELLIGENT VISION SYSTEMS, PROCEEDINGS | 2005年 / 3708卷

关键词：

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：

This paper describes a novel method for extracting affine invariant regions from images, based on an intuitive notion of symmetry. We define a local affine-invariant symmetry measure and derive a technique for obtaining symmetry regions. Compared to previous approaches the regions obtained are considered to be salient regions, of the image. We apply the symmetry-based technique to obtain affine-invariant regions in images with large-scale difference and demonstrate superior performance compared to existing methods.

引用

页码：332 / 339

页数：8

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