测绘通报 ›› 2023, Vol. 0 ›› Issue (6): 161-166.doi: 10.13474/j.cnki.11-2246.2023.0187

• 技术交流 • 上一篇    下一篇

实景三维模型的建筑物单体模型框架搭建

史与正1, 陈梦华1, 黄煜2, 张彤蕴1, 周宪1   

  1. 1. 湖南省地质地理信息所, 湖南 长沙 410000;
    2. 湖南省地质测绘院有限公司, 湖南 长沙 410000
  • 收稿日期:2022-08-26 修回日期:2023-04-23 发布日期:2023-07-05
  • 通讯作者: 张彤蕴。E-mail:46042345@qq.com
  • 作者简介:史与正(1967-),男,硕士,研究员级高级工程师,主要研究方向为摄影测量与遥感、测绘与地理信息。E-mail:1124567787@qq.com
  • 基金资助:
    湖南省自然资源科技计划(2021-01)

The construction of building monomer model framework based on real scene 3D model

SHI Yuzheng1, CHEN Menghua1, HUANG Yu2, ZHANG Tongyun1, ZHOU Xian1   

  1. 1. Institute of Geological and Geographic Information of Hunan Province, Changsha 410000, China;
    2. The Geological Surveying and Mapping Institute Limited Company of Hunan Province, Changsha 410000, China
  • Received:2022-08-26 Revised:2023-04-23 Published:2023-07-05

摘要: 实景三维模型存在数据结构不合理、识别利用困难等问题。本文基于卡方分布、增强特征金字塔网络、多尺度渐进式生长优化算法和父子编码等技术,提出了建筑物边界自动选取和模型精细化修正等方法。结果表明,该三维模型满足0.05 m功能级模型要求,较MESH模型面片数降幅达99.54%,实现了实景三维模型的建筑物快速单体化和结构化,研究成果可为实景三维中国建设提供技术支撑。

关键词: 实景三维模型, 精细化处理, 单体模型, 数据轻量化, 语义信息

Abstract: Due to a series of problems in the real scene 3D model, such as unreasonable data structure and difficulty to recognize and utilize, methods including automatic selection of building boundaries and refined model correction in the monomer model framework are proposed in this paper, which utilize the key technologies of chi-squared distribution, enhanced feature pyramid network, multi-scale progressive growth optimization algorithm, parent-child coding and so on. Experimental results show that the established monomer 3D model satisfies the requirement of a 0.05 m functional level model, and the number of patches decreased by 99.54% in comparison to the MESH model, which achieves the rapid monomerization and structurization of the real scene 3D model of buildings and provides technical support for the construction of real scene 3D China.

Key words: real scene 3D model, meticulous treatment, monomer model, data lightweight processing, semantic information

中图分类号: