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一种时间序列图像自动配准算法
引用本文:徐胜男,杨承磊,李振华.一种时间序列图像自动配准算法[J].计算机工程,2006,32(11):228-230.
作者姓名:徐胜男  杨承磊  李振华
作者单位:1. 山东大学计算机科学与技术学院,济南,250061;济南广播电视大学信息技术学院,济南,250001
2. 山东大学计算机科学与技术学院,济南,250061
3. 山东大学控制科学与工程学院,济南,250061
摘    要:提出了一种快速易行的时间序列图像自动配准算法:首先对两幅图像分别进行离散小波变换,然后对分解后的两幅低频网像计算联合直方图,最后采用改进的联合直方图区域计数方法来设计目标函数并进行配准参数优化。实验结果与对比分析表明:在基本不影响图像配准精度的情况下,算法大大加快了图像配准速度。

关 键 词:时间序列图像  图像配准  小波变换  联合直方图
文章编号:1000-3428(2006)11-0228-03
收稿时间:08 2 2005 12:00AM
修稿时间:2005-08-02

An Automatic Registration to Serial Images Algorithm
XU Shengnan,YANG Chenglei,LI Zhenhua.An Automatic Registration to Serial Images Algorithm[J].Computer Engineering,2006,32(11):228-230.
Authors:XU Shengnan  YANG Chenglei  LI Zhenhua
Affiliation:1. School of Computer Science and Technology, Shandong University, Jinan 250061 ; 2. School of Information Technology, Jinan Radio and TV University, Jinan 250001; 3. School of Control Science and Engineering, Shandong University, Jinan 250061
Abstract:Serial images refer to an aggregate of images of the same scene captured in serial time, This paper proposes a new method to solve the problem of serial images registration. The source images are decomposed by the wavelet transform. The lowest frequency bands of the source images are used to estimate the registration parameters. The traditional joint histogram based registration algorithm is improved by applying new region-counting method. Experiments show that the proposed algorithm can increase the soeed of registration.
Keywords:Serial images  Image registration  Wavelet transform  Joint histogram
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