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基于直线映射的红外与可见光图像自动配准算法
A Line Mapping Based Automatic Registration Algorithm of Infrared and Visible Images

查看参考文献20篇

文摘 提出了一种新的图像相似度量——隐直线度(ILS),并以此为基础给出一种新的红外与可见光图像自动配准算法.算法的本质是通过对齐图像中的直线段特征来实现配准.首先在一幅图像中提取直线段特征并记录下坐标位置,然后将这些直线段特征映射到另一幅图像上,通过最优化方法最大化映射后直线段特征所在位置的图像区域与直线段的相似程度来确定图像间的几何映射关系.这样无需直接比较待配准图像之间的灰度相似性.算法采用了多分辨率分析方法,在高斯尺度空间中由粗到精地计算配准参数.参数寻优采用改进的Powell算法.实验结果表明,本文算法能有效地实现红外和可见光图像的自动配准,并且和已有算法相比在精度相当的情况下大幅提高了计算效率和抗噪能力.
其他语种文摘 A novel image similarity called implicit linesegment similarity (ILS), and a registration algorithm of infrared and visible images based on ILS, are proposed. Essentially, the algorithm achieves image registration by aligning the corresponding line segment features in two images. First, line segment features are extraced and their coordinate positions in one of the images are recorded. These line segment features are mapped into the second image, in which the geometric mapping relationship are caculated by maximizing the degree of similarity between the line segment features and correspondence regions in the second image. The advantage of this method is that it eliminates the need to directly measure the grey similarity between the two images. A multiresolution analysis method is used to calculate the model parameters from coarse to fine on Gaussian scale space. The geometric transformation parameters are finally obtained by the improved Powell algorithm. Comparative experiments demonstrate that the proposed algorithm can effectively achieve the automatic registration for infrared and visible images. It significantly improves computational efficiency and anti-noise ability beyond previously proposed algorithms.
来源 信息与控制 ,2014,43(2):199-204 【核心库】
关键词 图像配准 ; 红外图像 ; 隐直线度 ; 参数优化
地址

中国科学院沈阳自动化研究所, 中国科学院光电信息处理重点实验室, 辽宁, 沈阳, 110016

语种 中文
文献类型 研究性论文
ISSN 1002-0411
学科 自动化技术、计算机技术
基金 国家973计划
文献收藏号 CSCD:5139182

参考文献 共 20 共1页

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引证文献 2

1 谷雨 融合显性和隐性度量的多模图像配准算法 信号处理,2016,32(6):669-675
被引 0 次

2 陈宏宇 基于人眼视觉特性的红外图像细节增强 计算机应用研究,2017,34(1):310-313
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史泽林 0000-0001-6424-2488
徐德江 0000-0003-4424-2530
张程硕 0000-0001-8528-1902
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