测绘通报 ›› 2019, Vol. 0 ›› Issue (2): 49-53.doi: 10.13474/j.cnki.11-2246.2019.0042

• 学术研究 • 上一篇    下一篇

融合多源测量数据的钟乳石三维建模方法

郭雨1,2, 夏永华1,2, 杨明龙1,2   

  1. 1. 昆明理工大学国土资源工程学院, 云南 昆明 650093;
    2. 云南省高校高原山区空间信息测绘技术应用工程研究中心, 云南 昆明 650093
  • 收稿日期:2018-06-04 出版日期:2019-02-25 发布日期:2019-03-05
  • 通讯作者: 夏永华。E-mail:617073761@qq.com E-mail:617073761@qq.com
  • 作者简介:郭雨(1993-),男,硕士生,主要从事三维激光扫描、摄影测量及三维重建。E-mail:1183287440@qq.com
  • 基金资助:

    宜良九乡风景区三角洞三维建模测绘服务(KKF0201856026)

Three dimensional modeling method of stalactite integrated with multi-source measurement data

GUO Yu1,2, XIA Yonghua1,2, YANG Minglong1,2   

  1. 1. School of Land and Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China;
    2. Surveying and Mapping Geo-Informatics Technology Research Center on Plateau Mountains of Yunnan Higher Education, Kunming 650093, China
  • Received:2018-06-04 Online:2019-02-25 Published:2019-03-05

摘要:

在岩溶洞穴的旅游开发中,传统的地形图无法描述洞穴内部的钟乳石等细节,难以满足溶洞开发中的规划、设计及施工要求。本文以某中型溶洞的三维重建项目为例,提出了一种以三维激光扫描数据为主、多基线近景摄影测量数据为辅的多源数据融合的钟乳石三维重建方法。首先,完成了多源数据的融合配准,其次,对配准后的数据进行了模型重建并利用多种不同方法进行空洞区域修复对比试验。试验结果表明,该数据融合方法有效补充了三维激光扫描数据在空间狭小区域的盲区,提高了三维模型的精细程度,对岩溶洞穴的开发、保护、三维重建与可视化等有一定的参考意义。

关键词: 三维激光扫描, 近景摄影测量, 多源数据融合, 点云配准, 空洞修复, 三维建模

Abstract:

In the tourism development of karst caves, the traditional topographic map can not describe the details of the stalactite in the cave, and it is difficult to meet the requirements of the planning, design and construction in the development of the cave. Taking a three-dimensional reconstruction project of a medium-sized cave as an example, a three dimensional laser scanning data and a multi baseline close range photogrammetry data are put forward. Three dimensional reconstruction method of stalactite is supplemented by multi-source data fusion. First, the fusion and registration of multi-source data are completed. Secondly, the model reconstruction after the registration is carried out and a variety of different methods are used to carry out the cavitation area repair comparison experiment. The method of data fusion can effectively supplement the blind area of the three-dimensional laser scanning data in the narrow space area, and improve the fine degree of the 3D model. The development, protection, 3D reconstruction and visualization of karst caves are of some reference significance.

Key words: 3D laser scanning, close range photogrammetry, multi-source data fusion, point cloud registration, hollow repairing, 3D modeling

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