AN EFFICIENT METHOD FOR THE EXACT COMPUTATION OF LEGENDRE MOMENTS OF BINARY IMAGES

被引：0
|
作者：
Dong, Zhifang [1 ]
Zhang, Hui [1 ]
Shu, Huazhong [1 ]
机构：
[1] Southeast Univ, Lab Image Sci & Technol, Nanjing 210096, Peoples R China
来源：
2009 16TH INTERNATIONAL CONFERENCE ON DIGITAL SIGNAL PROCESSING, VOLS 1 AND 2 | 2009年
关键词：
Legendre moments; polygon; geometric moments; special triangle; glop insensitivity;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Legendre moments have been widely used as feature descriptors in image analysis. This paper presents a new approach for the exact computation of Legendre moments of binary images. Using a Green's formula, the double integral is first transformed into a simple integration along the boundary which is represented by a polygon. We then propose an efficient method for computing the line moments. Comparison with some known algorithms shows that the proposed algorithm is more accurate, and is independent of the slope, so that it is stable in numerical computation.
引用
收藏
页码：946 / 949
页数：4
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