Exact Legendre moment computation for gray level images

被引：65

作者：

Hosny, Khalid M. ^{[1
]}

机构：

[1] Zagazig Univ, Fac Comp & Informat, Dept Comp Sci, Zagazig, Egypt

来源：

PATTERN RECOGNITION | 2007年 / 40卷 / 12期

关键词：

Legendre moments; fast algorithm; gray level images;

D O I：

10.1016/j.patcog.2007.04.014

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

A novel method is proposed for exact Legendre moment computation for gray level images. A recurrence formula is used to compute exact values of moments by mathematically integrating the Legendre polynomials over digital image pixels. This method removes the numerical approximation errors involved in conventional methods. A fast algorithm is proposed to accelerate the moment's computations. A comparison with other conventional methods is performed. The obtained results explain the superiority of the proposed method. (c) 2007 Pattern Recognition Society. Published by Elsevier Ltd. All rights reserved.

引用

页码：3597 / 3605

页数：9

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