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面向东川复杂山地泥石流沟谷三维地形建模及特征分析的无人机遥感探测应用研究

毕瑞 甘淑 李绕波 胡琳

毕瑞, 甘淑, 李绕波, 胡琳. 2021: 面向东川复杂山地泥石流沟谷三维地形建模及特征分析的无人机遥感探测应用研究. 中国地质灾害与防治学报, 32(3): 91-100. doi: 10.16031/j.cnki.issn.1003-8035.2021.03-12
引用本文: 毕瑞, 甘淑, 李绕波, 胡琳. 2021: 面向东川复杂山地泥石流沟谷三维地形建模及特征分析的无人机遥感探测应用研究. 中国地质灾害与防治学报, 32(3): 91-100. doi: 10.16031/j.cnki.issn.1003-8035.2021.03-12
Rui BI, Shu GAN, Raobo LI, Lin HU. 2021: Application research of unmanned aerial vehicle remote sensing detection for 3D terrain modeling and feature analysis of debris flow gullies in complex mountainous area of Dongchuan. The Chinese Journal of Geological Hazard and Control, 32(3): 91-100. doi: 10.16031/j.cnki.issn.1003-8035.2021.03-12
Citation: Rui BI, Shu GAN, Raobo LI, Lin HU. 2021: Application research of unmanned aerial vehicle remote sensing detection for 3D terrain modeling and feature analysis of debris flow gullies in complex mountainous area of Dongchuan. The Chinese Journal of Geological Hazard and Control, 32(3): 91-100. doi: 10.16031/j.cnki.issn.1003-8035.2021.03-12

面向东川复杂山地泥石流沟谷三维地形建模及特征分析的无人机遥感探测应用研究

doi: 10.16031/j.cnki.issn.1003-8035.2021.03-12
基金项目: 国家自然科学基金项目(41861054);国家自然科学基金项目(41561083)
详细信息
    作者简介:

    毕瑞:毕 瑞(1996-),男,彝族,云南昆明人,硕士研究生,主要研究方向为摄影测量与遥感、无人机遥感。E-mail:805453393@qq.com

    通讯作者:

    甘 淑(1964-),女,云南腾冲人,教授,博士,博士生导师,主要研究方向为资源环境遥感及 3S技术应用。E-mail:n1480@qq.com

  • 中图分类号: P642.23;TP79

Application research of unmanned aerial vehicle remote sensing detection for 3D terrain modeling and feature analysis of debris flow gullies in complex mountainous area of Dongchuan

  • 摘要: 以云南省东川区小江流域中游左岸大白泥河支流的泥石流沟谷为研究对象,利用无人机遥感技术采集该泥石流沟谷地表地貌数据,提出结合地面三维激光扫描建模数据进行同名地物控制点提取,实现无人机影像数据的绝对定向方法。通过Smart3D影像数据处理,构建研究区三维地形模型,得到数字正射影像(Digital Orthophoto Map,DOM)、数字表面模型(Digital Surface Model,DSM)和高密集匹配点云。利用PhotoScan软件中的不规则三角网渐进加密技术对点云数据进行处理,得到0.5 m分辨率的数字高程模型(Digital Elevation Model,DEM)。结合ArcGIS和Cloud Compare中的相关地形分析模块,实现对该段泥石流沟谷地区的地形特征分析。基于无人机遥感的泥石流沟谷地形建模及特征分析研究中采用的技术路线和方法,对于定性、定量探测高原复杂山区地质灾害及其监测、防治等具有重要实证案例参考价值与实践指导意义。
  • 图  1  研究区位置

    Figure  1.  Location of study area

    图  2  技术路线

    Figure  2.  Technical route

    图  3  无人机航线布设

    Figure  3.  UAV routes are laid out

    图  4  点云数据粗配准

    Figure  4.  Coarse registration of point cloud data

    图  5  控制点布设

    Figure  5.  Control points arrangement

    图  6  无人机影像数据成果

    Figure  6.  UAV images data results

    图  7  无人机点云去噪处理

    Figure  7.  UAV point cloud denoising

    图  8  无人机DEM及精度对比

    Figure  8.  UAV DEM and accuracy compariso

    图  9  灾害体目视解译

    Figure  9.  Disaster bodies visual interpretation

    图  10  坡度、坡向分析图

    Figure  10.  Slope slope direction analysis chart

    图  11  泥石流沟地区剖面线分析

    Figure  11.  Profile analysis of debris flow ditch area

    表  1  无人机基本参数

    Table  1.   Basic parameters of UAV

    名称参数
    无人机型号Phantom 4 Pro
    相机型号FC6310
    影像传感器CMOS 1英寸
    相机像素2000万(5472×3648)
    最大光圈F/2.8
    定位信息GPS/GLONASS双模式定位系统
    视场角(FOV)/(°)84
    最快飞行速度/( m•s-1)20
    飞行时间/min约30
    工作环境温度/℃0 ~40
    下载: 导出CSV

    表  2  飞行参数

    Table  2.   Flight parameters

    航高/m飞行角度镜头倾角/(°)影像数量架次航线数量重叠度/%
    300正视909111070
    左视609516
    右视8818
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-06-08
  • 修回日期:  2021-01-05
  • 刊出日期:  2021-06-25

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