期刊论文

Complex Roof Structure Reconstruction by 3D Primitive Fitting from Point Clouds

中文

地球信息科学学报

1560-8999

2023

25

08

1531-1545

10.12082/dqxxkx.2023.220927

国家自然科学基金项目(41801295) 国家文化和旅游科技创新工程项目(2019-008)。

本校为第一机构

几何语义一体化三维建筑物模型是智慧城市建设的重要基础数据，有利于促进建筑设施的精细化管理和智能化应用。当前基于点云的三维重建算法大多关注简单屋顶结构的几何模型构建，忽略了模型的语义表达，且基于数据驱动方法的重建结果容易受噪声影响，存在几何和拓扑错误。为了解决复杂屋顶高精度三维重建难题，本文提出一种基于3D基元拟合的复杂屋顶点云三维自动化重建算法。首先，设计了一套可参数化表达的建筑物3D基元库，包含简单和复杂屋顶。其次，通过点云分割和屋顶拓扑图比较来识别点云对应的基元类型。然后，提出了一种点云与3D基元整体拟合的目标优化函数，采用序列二次规划算法估计基...

Geometric and semantic integration of 3D building models are important infrastructure data for smart city,they are conducive for promoting the refined management and intelligent application of building facilities.However,most of the existing point cloud-based modeling m...MORE Geometric and semantic integration of 3D building models are important infrastructure data for smart city,they are conducive for promoting the refined management and intelligent application of building facilities.However,most of the existing point cloud-based modeling methods focus on the reconstruction of geometric mode...