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国土资源遥感  2013, Vol. 25 Issue (3): 61-65    DOI: 10.6046/gtzyyg.2013.03.11
  技术方法 本期目录 | 过刊浏览 | 高级检索 |
基于高分辨率SAR图像成像机理的震害信息分析
刘金玉1,2, 张景发1, 刘国林2
1. 中国地震局地壳应力研究所,北京 100085;
2. 山东科技大学测绘学院,青岛 266510
An analysis of earthquake damage information based on imaging mechanism of the high resolution SAR image
LIU Jinyu1,2, ZHANG Jingfa1, LIU Guolin2
1. Institute of Crustal Dynamics, CEA, Beijing 100085, China;
2. Shandong University of Science and Technology, Qingdao 266510, China
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摘要 

与中低分辨率SAR图像相比,高分辨率SAR图像受目标复杂性和成像噪声等因素的干扰更为严重,致使应用高分辨率SAR图像检测震害目标变得更加困难。传统的适用于中低分辨率SAR图像的震害信息提取方法对于高分辨率SAR图像有一定的局限性。为了从高分辨率SAR图像中更加准确地提取震害信息,从SAR图像成像机理和目标的后向散射特征出发,对建筑物和道路、桥梁的震害特征进行了细致分析,为寻求合适的目标检测和提取方法提供了思路。

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关键词 海岸线遥感防城港预测模拟    
Abstract

High resolution SAR image is different from the previous low resolution SAR images in that the former is more seriously influenced by objective complexity and imaging factors such as noise, thus resulting in damage to target detection. The utilization of the high resolution SAR image therefore becomes more difficult. The traditional methods applicable to low resolution SAR image extraction are hence no longer suitable for high resolution SAR images. In order to accurately extract the damage information from high resolution SAR images, the authors, starting with the SAR imaging mechanism and backscatter characteristics, analyzed characteristics of earthquake damage to buildings, roads and bridges, and the results obtained provide the train of thought for target detection and the method for extraction.

Key wordscoastline    remote sensing    Fangchenggang    predictive simulation
收稿日期: 2012-09-04      出版日期: 2013-07-03
:  TP 79  
基金资助:

国家高技术研究发展计划(863计划)项目典型地质灾害遥感监测与应急关键技术及应用(编号: SS2012AA120804)。

作者简介: 刘金玉(1986-),女,研究生,主要从事雷达图像震害信息解译和提取。 E-mail: wgliujinyu@163.com。
引用本文:   
刘金玉, 张景发, 刘国林. 基于高分辨率SAR图像成像机理的震害信息分析[J]. 国土资源遥感, 2013, 25(3): 61-65.
LIU Jinyu, ZHANG Jingfa, LIU Guolin. An analysis of earthquake damage information based on imaging mechanism of the high resolution SAR image. REMOTE SENSING FOR LAND & RESOURCES, 2013, 25(3): 61-65.
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https://www.gtzyyg.com/CN/10.6046/gtzyyg.2013.03.11      或      https://www.gtzyyg.com/CN/Y2013/V25/I3/61

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