从点云生成实用道的拓一致的BIM模型
Lei Yang1, Fangshuo Zhang2, Fan Yang2,3,4
1School of Transportation and Civil Engineering, Nantong University, Nantong 226019, China.
Sensors (Basel, Switzerland)
|July 29, 2023
概括
这项研究引入了一种新方法,用于使用3D激光扫描数据准确建模地下公用事业道. 该方法提高了建筑信息建模 (BIM) 对象的拓一致性,这对于城市基础设施发展至关重要.
科学领域:
- 地理学工程 工程地质学
- 土木工程 土木工程是指土木工程.
- 计算机视觉 计算机视觉
背景情况:
- 城市地下空间开发对于应对城市挑战至关重要.
- 公用事业道是必不可少的基础设施组成部分,需要精确的调查.
- 在公用事业道中的3D激光扫描面临着噪音和阻塞等挑战,影响数据质量和BIM拓.
研究的目的:
- 为公用事业道数据提出一个层次的点云细分方法.
- 为公用事业道中的建筑信息建模 (BIM) 对象开发一个强大的拓重建方法.
- 为了解决几何元素提取中的不准确性,并确保重建的BIM模型的拓一致性.
主要方法:
- 点云的层次细分成立面,平面和管道.
- 一个改进的平均移位算法用于提取墙线特征.
- 一个基于局部对称的中间轴提取算法用于管道识别.
- 基于邻居搜索的方法,根据墙壁和管道中线重建拓一致的BIM模型.
主要成果:
- 成功分割点云并提取公用事业道中的关键特征.
- 从真实世界的数据集中重建了24个BIM墙壁对象和12个管道.
- 证明了提出的方法在创建拓一致的3D实用道模型中的效率和有效性.
结论:
- 提出的层次细分和拓重建方法显著提高了公用事业道BIM模型的准确性和一致性.
- 这种方法克服了复杂的地下环境中传统3D激光扫描的局限性.
- 经过验证的方法提高了BIM在城市地下基础设施管理和规划方面的可靠性.
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