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实景三维技术在“8·8”九寨沟地震地质灾害快速调查中的应用

赵婷婷, 高文娟, 李志林, 廖露, 陈笑峰

赵婷婷，高文娟，李志林，等. 实景三维技术在“8·8”九寨沟地震地质灾害快速调查中的应用[J]. 中国地质灾害与防治学报，2023，34(3): 93-99. DOI: 10.16031/j.cnki.issn.1003-8035.202209016
引用本文: 赵婷婷，高文娟，李志林，等. 实景三维技术在“8·8”九寨沟地震地质灾害快速调查中的应用[J]. 中国地质灾害与防治学报，2023，34(3): 93-99. DOI: 10.16031/j.cnki.issn.1003-8035.202209016
shu
ZHAO Tingting，GAO Wenjuan，LI Zhilin，et al. Application of real-scene 3D technology in the rapid survey of geological disasters after the “8·8” Jiuzhaigou earthquake[J]. The Chinese Journal of Geological Hazard and Control，2023，34(3): 93-99. DOI: 10.16031/j.cnki.issn.1003-8035.202209016
Citation: ZHAO Tingting，GAO Wenjuan，LI Zhilin，et al. Application of real-scene 3D technology in the rapid survey of geological disasters after the “8·8” Jiuzhaigou earthquake[J]. The Chinese Journal of Geological Hazard and Control，2023，34(3): 93-99. DOI: 10.16031/j.cnki.issn.1003-8035.202209016
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实景三维技术在“8·8”九寨沟地震地质灾害快速调查中的应用

  • 1.

    四川省测绘地理信息局测绘应急保障中心，四川 成都　610081

  • 2.

    自然资源部应急测绘技术创新中心，四川 成都　610081

  • 3.

    西南交通大学地球科学与环境工程学院，四川 成都　611756

基金项目: 自然资源技术融合研究与应用示范（121 204 007 000 204 101）
详细信息
    作者简介:

    赵婷婷（1988-），女，辽宁省大石桥市人，博士研究生，注册测绘师，测绘高级工程师，主要从事应急测绘与防灾减灾、三维 GIS、自然资源调查监测等工作。E-mail：767163826@qq.com

  • 中图分类号: P694

Application of real-scene 3D technology in the rapid survey of geological disasters after the “8·8” Jiuzhaigou earthquake

  • 1.

    Emergency Surveying and Mapping Center of Sichuan Bureau of Surveying, , Mapping and Geoinformation, Chengdu, Sichuan　610081, China

  • 2.

    Emergency Mapping Technology Innovation Center, MNR, Chengdu, Sichuan　610081, China

  • 3.

    Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University Chengdu, Sichuan　611756, China

摘要

    摘要
  • 摘要: 针对“8·8”九寨沟地震地质灾害快速调查应急测绘保障中，倾斜实景三维模型建模效率无法满足应急状态下“快速”的需求这一难题，文中在研究无人机倾斜摄影测量技术原理的基础上，提出了基于正射单视角倾斜摄影的三维建模方法，进一步结合三维场景构建技术和遥感解译技术构建了应急状态下基于实景三维技术的地质灾害快速调查技术体系，并成功应用于“8·8”九寨沟地震地质灾害快速调查中，72小时黄金救援期内提供了四川省应急测绘保障史上首个实景三维模型及相关灾情、灾损信息，在有关部门开展灾情研判、应急指挥决策、灾后恢复重建等工作中发挥了重要作用，此外，基于调查结果提出了系列灾区地质灾害防灾减灾救灾建议，为灾区地质灾害综合防治提供了科学依据。
    Abstract: In response to the challenge of inefficient oblique-photography 3D modeling in emergency surveying and mapping support for the rapid investigation of geological disasters caused by the “8·8” Jiuzhaigou earthquake, this paper proposes an orthographic single-view oblique 3D modeling method based on the study of UAV oblique photogrammetry technology. By combining it with 3D scene construction technology and remote sensing interpretation technology, a comprehensive system for rapid geological disaster investigation using real-scene 3D technology in emergency situations was developed. This system was successfully applied during the rapid investigation of geological disasters after the "8·8" Jiuzhaigou earthquake, providing real 3D models and related information on disasters and damages within the critical 72-hour rescue period. It marked the first time in the history of emergency surveying and mapping support in Sichuan Province that a real-scene 3D model was provided, and it played a critical role in disaster assessment, emergency command and decision-making, as well as post-disaster recovery and reconstruction efforts by relevant authorities. Furthermore, based on the survey results, a series of suggestions for geological disaster prevention, mitigation, and relief were proposed, serving as a scientific basis for the comprehensive prevention and control of geological disasters in affected areas.
    • HTML全文

  • 图  1   倾斜实景三维模型构建技术流程图

    Figure  1.   Flowchart of oblique real-scene 3D model construction technical

    下载: 全尺寸图片 幻灯片

    图  2   纠正前后的斜视影像

    Figure  2.   Strabismus image before and after correction

    下载: 全尺寸图片 幻灯片

    图  3   高密度点云数字表面模型

    Figure  3.   High-density point cloud digital surface model (DSM)

    下载: 全尺寸图片 幻灯片

    图  4   九寨沟景区实景三维模型

    Figure  4.   Real-scene 3D model of Jiuzhaigou scenic area

    下载: 全尺寸图片 幻灯片

    图  5   获取影像的航向及旁向重叠度

    Figure  5.   Heading and lateral overlap of acquired images

    下载: 全尺寸图片 幻灯片

    图  6   模型顶视纹理（左）与原始影像（右）分辨率对比图

    Figure  6.   Top-view texture of the model (left) and original image (right) resolution comparison

    下载: 全尺寸图片 幻灯片

    图  7   实景三维模型侧面纹理情况

    Figure  7.   Side-view texture of the real-scene 3D model

    下载: 全尺寸图片 幻灯片

    图  8   “8·8”九寨沟地震核心景区地质灾害分布

    Figure  8.   Distribution of geological disasters in the core scenic area of the “8·8” Jiuzhaigou earthquake

    下载: 全尺寸图片 幻灯片

    表  1   正射单镜头倾斜三维建模并行运算硬件配置表

    Table  1   Hardware configuration table for orthographic single-lengs oblique 3D modeling parallel computing

    型号 T7910 T7610
    显卡 NVIDIA GOFORCE GTX 1080 NVIDIA Quadro K6000
    处理器 Inter（R） Xeon（R） CPU E5-2620 v3@2.4 GHz 2.4 GHz （2处理器） Inter（R） Xeon（R） CPU E5-2687 W v2@3.40 GHz 3.40 GHz （2处理器）
    安装内存 64.0 GB 64.0 GB
    下载: 导出CSV
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  • 收稿日期:  2022-09-08
  • 修回日期:  2022-10-27
  • 网络出版日期:  2023-06-19
  • 刊出日期:  2023-06-24

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