测绘通报 ›› 2024, Vol. 0 ›› Issue (12): 160-163.doi: 10.13474/j.cnki.11-2246.2024.1227

• 技术交流 • 上一篇    下一篇

空天地数据协同下的实景三维宁波建设与应用

郑小梅1, 邓小军2, 吴玮1   

  1. 1. 宁波市测绘和遥感技术研究院, 浙江 宁波 315042;
    2. 宁波市不动产登记中心, 浙江 宁波 315042
  • 收稿日期:2024-03-27 发布日期:2024-12-27
  • 作者简介:郑小梅(1976-),女,硕士,高级工程师,主要从事智慧城市建设、三维可视化、多源遥感影像融合等技术研究和应用工作。E-mail:63712621@qq.com

Construction and application of realistic 3D Ningbo under the collaboration of space-air-ground data

ZHENG Xiaomei1, DENG Xiaojun2, WU Wei1   

  1. 1. Ningbo Institute of Surveying, Mapping and Remote Sensing Technology, Ningbo 315042, China;
    2. Ningbo Real Estate Registration Center, Ningbo 315042, China
  • Received:2024-03-27 Published:2024-12-27

摘要: 本文阐述了地形级实景三维模型快速构建的技术路线,研发了多源特征融合的城市级实景三维的重建技术,改进了点云特征提取与拓扑构建建筑物顶面与立体模型的方法,利用倾斜影像与顶面模型的自动匹配,实现了复杂屋顶的三维重建,提升了模型纹理的精细度和几何精度,描述了部件级实景三维自动化建模的流程,指明了实景三维模型在宁波市公安应急管理、国土空间规划、自然资源管理等服务场景下的应用,以及下一步的思考。

关键词: 倾斜摄影, 实景三维, 多源异构, 三维地籍

Abstract: The paper elaborates on the technical route for rapid construction of terrain level realistic 3D models, developes a multi-source feature fusion based urban level realistic 3D reconstruction technology,improves model method of point cloud feature extraction and topological construction of building tops and stereotypes,automatic matching of tilted images and top surface models,realizes 3D reconstruction of complex roofs,improves the refinement and geometric accuracy of model textures,describes the process of component level realistic 3D automated modeling,indicating the real-life 3D model application under the public security emergency management,national spatial planning,natural resource management and other service scenarios of Ningbo, and the next steps of thinking.

Key words: oblique photography, realistic 3D, multi-source heterogeneous, 3D cadastra

中图分类号: