一种基于点特征的异源SAR图像配准方法

肖明; 胡天江; 潘亮; 沈林成

doi:10.3724/SP.J.1004.2012.01958

一种基于点特征的异源SAR图像配准方法

doi: 10.3724/SP.J.1004.2012.01958 cstr: 32138.14.SP.J.1004.2012.01958

肖明^1,2,,
胡天江^1,2,
潘亮¹,
沈林成¹

1.
国防科学技术大学机电工程与自动化学院长沙 410073;
2.
航天飞行动力学技术重点实验室北京 100094

详细信息

通讯作者:
肖明

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- 被引次数: 0
出版历程
- 收稿日期: 2011-12-12
- 修回日期: 2012-03-26
- 刊出日期: 2012-12-20

A Point-feature Method for Multi-source SAR Image Matching Suitability Analysis

1.
College of Mechatronic Engineering and Automation, National University of Defense Technology, Changsha 410073;
2.
Science and Technology on Aerospace Flight Dynamics Laboratory, Beijing 100094

摘要

摘要: 适配性分析是合成孔径雷达(Synthetic aperture radar, SAR)图像匹配的重要研究内容, 它研究图像是否适合选作基准图的问题. 本文研究基于点特征配准方法的异源SAR图像适配性分析, 以特征点的数目及稳健程度来度量SAR图像适配性, 提出基于点特征的异源图像适配性评价算法, 并构建出一种评价特征点稳定性的准则, 以指导选取合适的退化模型.实验结果表明本文所提出的点特征适配性评价机制能有效地度量指定SAR图像的适配性, 从而近似得出保障图源的适配性排序结果.
- 适配性 /
- 图像配准 /
- 合成孔径雷达 /
- 点特征
Abstract: Matching suitability is an important factor for synthetic aperture radar (SAR) image registration. It focuses on to what extent the provided images are suitable as the reference images. This paper proposes an approach to measure and judge the SAR image matching suitability based on point-feature registration methods. The approach can estimate the SAR image matching suitability by using the number and stability of feature points. Significantly, a suitability analysis algorithm is presented for multi-source SAR image matching based on point features. Furthermore, a steady-point criterion is proposed to facilitate selection on the degradation models in numerical examples. The results show that the proposed method in this paper can effectively measure the matching suitability of the given SAR images and provide the appropriate order of these images under the point-feature criterion.
- Matching suitability /
- image registration /
- synthetic aperture radar (SAR) /
- point-feature

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参考文献(1)

[1]

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