基于机载InSAR数据的DEM和DOM生成研究

2012 International Symposium on Geomatics for Integrated Water Resource Management Pub Date : 2012-11-12 DOI:10.1109/GIWRM.2012.6349590

X. Yue, Chunming Han

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引用次数: 1

摘要

基于机载合成孔径雷达干涉测量(InSAR)数据和高精度数字高程模型(DEM)进行高精度定位，获得图像上各点的三维信息，并获得数字正射影像图(DOM)。因此，高精度定位是解决控制点少、面积大的地形测绘的重要手段，对突发自然灾害监测评价的快速响应和定量分析具有重要意义。利用自主研发的机载InSAR定位软件系统，在四川省江油市基于0.5 m分辨率机载InSAR数据，完成了覆盖4条76个场景472平方公里的机载InSAR高精度定位实验，结果满足1:10万比例尺DEM和DOM制图精度要求。

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Research on DEM and DOM generation with airborne InSAR data

Three-dimensional information of each point on the image can be obtained by high-precision positioning based on airborne synthetic aperture radar interferometry (InSAR) data and high-precision Digital Elevation Model (DEM), and Digital Orthophoto Map (DOM) can also be obtained. Hence, the high-precision positioning is an important means to solve topographic mapping in large area with few control points, and has important significance for the unexpected natural disaster monitoring and evaluation of rapid response and quantitative analysis. The airborne InSAR high-precision positioning experiment which covers 4 strips 76 scenes 472 square kilometers is completed based on 0.5 m resolution airborne InSAR data by using self-developed Airborne InSAR Positioning Software System in Jiangyou Sichuan province, and the result meets 1:10000 scale DEM and DOM mapping accuracy requirements.

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2012 International Symposium on Geomatics for Integrated Water Resource Management

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