An Improved SURF Algorithm based Local Image Symmetry Scoring Scheme

被引：0
|
作者：
Ma, Linwei [1 ,3 ]
Song, Zhan [1 ,2 ]
Zhu, Guohun [3 ]
机构：
[1] Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen, Guangdong, Peoples R China
[2] Chinese Univ Hong Kong, Hong Kong, Hong Kong, Peoples R China
[3] Guilin Univ Elect Technol, Sch Comp Sci & Engn, Guilin, Guangxi, Peoples R China
来源：
2014 7TH INTERNATIONAL CONGRESS ON IMAGE AND SIGNAL PROCESSING (CISP 2014) | 2014年
关键词：
SURF; local symmetry; feature descriptor;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper presents an efficient feature detection algorithm based on the classical SURF (Speeded Up Robust Feature) detector. The image features are represented and scored with respect to its local symmetry property. The local symmetry has natural properties of scale and transformation invariants, and also insensitive to illumination change and local noise. By the proposed feature descriptor, the calculation of 64-dimensional vectors in SURF algorithm can be reduced to 16-dimensional vector respectively. The local symmetry score is defined as the sum of minimum distance between each feature point and its neighboring points in an image based on the image intensities. The algorithm is experimented with some real images and the results are compared with the original SURF algorithm to show its improvement.
引用
收藏
页码：264 / 268
页数：5
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