多源数据多语义岩体结构面提取方法

doi:10.13474/j.cnki.11-2246.2021.342

测绘通报 ›› 2021, Vol. 0 ›› Issue (11): 76-80,105.doi: 10.13474/j.cnki.11-2246.2021.342

多源数据多语义岩体结构面提取方法

张荣春¹, 衣雪峰², 李浩², 岳建平², 卢官明¹, 张学东³

1. 南京邮电大学, 江苏南京 210023;
2. 河海大学, 江苏南京 211100;
3. 中水北方勘测设计研究有限责任公司, 天津 300222

收稿日期:2021-06-11 修回日期:2021-09-14 出版日期:2021-11-25 发布日期:2021-12-02
通讯作者: 衣雪峰。E-mail:hhuyxf@126.com
作者简介:张荣春(1985-),女,博士,讲师,主要从事摄影测量与计算机视觉、多传感器融合与应用等方面的研究。E-mail:rongchunzhang@njupt.edu.cn
基金资助:
国家自然科学基金重点项目（41830110）；国家自然科学基金（41901401）；江苏省自然科学基金（BK20190743）；中水北方勘测设计研究有限责任公司科技课题（k2020-34）；中国博士后科学基金（2021M691653）；南京邮电大学引进人才科研启动基金（NY218136）

Rock surface extraction method with multi-semantic of multi-source data

ZHANG Rongchun¹, YI Xuefeng², LI Hao², YUE Jianping², LU Guanming¹, ZHANG Xuedong³

1. Nanjing University of Posts and Telecommunications, Nanjing 210023, China;
2. Hohai University, Nanjing 211100, China;
3. Beifang Investigation, Design & Research Co., Ltd., Tianjin 300222, China

Received:2021-06-11 Revised:2021-09-14 Online:2021-11-25 Published:2021-12-02

摘要/Abstract

摘要： 实现岩体场景下复杂岩体结构面提取是边坡、隧道等岩体工程稳定分析的关键。本文针对岩体结构面纹理与形态等特征复杂且不规则造成提取困难的问题，首先通过构建TLS点云与数码影像的映射关系，融合二维像素特征、三维方位及形态特征建立多重语义区，提取具有相似地质属性的同质区单元，然后利用产状与粗糙度特征对其进行合并聚类，有效实现复杂多属性岩体结构面的准确提取。试验结果表明，本文方法提取的岩体结构面具有较好的完整性和较高的准确性。

关键词: 数码影像, TLS点云, 地质语义, 岩体结构面, 多源数据融合

Abstract: The extraction of complex rock surface in the rock mass environment is the key to the stability analysis of rock mass engineering such as slopes and tunnels. The texture and shape of the rock surface are complicated and irregular, which makes it difficult to extract. This paper proposes a mapping relationship construction method for TLS point cloud and digital images. Multi-geological semantics features are first integrated for homogeneous units extraction, and then homogeneous units clustering based on geological semantics is proceeded. The experimental results show that the method in this paper can achieve rock surface extraction completely and accurately.

Key words: digital images, TLS point cloud, geological semantic, rock surface, multi-source data fusion

中图分类号:

张荣春, 衣雪峰, 李浩, 岳建平, 卢官明, 张学东. 多源数据多语义岩体结构面提取方法[J]. 测绘通报, 2021, 0(11): 76-80,105.

ZHANG Rongchun, YI Xuefeng, LI Hao, YUE Jianping, LU Guanming, ZHANG Xuedong. Rock surface extraction method with multi-semantic of multi-source data[J]. Bulletin of Surveying and Mapping, 2021, 0(11): 76-80,105.

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多源数据多语义岩体结构面提取方法

Rock surface extraction method with multi-semantic of multi-source data

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