激光雷达测量技术及其应用研究

李清泉; 李必军; 陈静

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激光雷达测量技术及其应用研究

李清泉, 李必军, 陈静

文章导航 > 武汉大学学报 ● 信息科学版 > 2000 > 25(5): 387-392

李清泉, 李必军, 陈静. 激光雷达测量技术及其应用研究[J]. 武汉大学学报 ● 信息科学版, 2000, 25(5): 387-392.

引用本文:

李清泉, 李必军, 陈静. 激光雷达测量技术及其应用研究[J]. 武汉大学学报 ● 信息科学版, 2000, 25(5): 387-392.

LI Qingquan, LI Bijun, CHEN Jing. Research on Laser Range Scanning and Its Application[J]. Geomatics and Information Science of Wuhan University, 2000, 25(5): 387-392.

Citation:

LI Qingquan, LI Bijun, CHEN Jing. Research on Laser Range Scanning and Its Application[J]. Geomatics and Information Science of Wuhan University, 2000, 25(5): 387-392.

激光雷达测量技术及其应用研究

1 武汉测绘科技大学校长办公室, 武汉市珞喻路129号, 430079;
2 武汉测绘科技大学测绘遥感信息工程国家重点实验室, 武汉市珞喻路129号, 430079

基金项目: 国家测绘局测绘科技发展基金资助项目,(98011);武汉市晨光计划资助项目,(995004104G)

详细信息

作者简介:
李清泉,男,35岁,教授,博士生导师。现从事测量工程、地理信息系统的理论与应用研究。代表成果:基于八叉树和四面体格网的三维混合数据模型以及三维空间数据集成方法;针对城市三维可视化模型的具体应用开发出一个应用系统(3DTOOL)。E-mail:lqq@wtusm.edu.cn

中图分类号: P236

Research on Laser Range Scanning and Its Application

1 Presidential Secretariat, WTUSM, 129 Luoyu Road, Wuhan, China, 430079;
2 National Laboratory for Information Engineering in Surveying, Mapping and Remote Sensing, WTUSM, 129 Luoyu Road, Wuhan, China, 430079

摘要: 对激光雷达测量技术的发展进行了概括,介绍了激光雷达测量技术的原理,探讨了利用激光雷达进行堆体体积测量的技术和方法,在此基础上发展了一个激光雷达测量系统,并在实际测量工作中进行了应用。实验表明,激光雷达测量技术与传统的测量方法相比,在测量精度、自动化程度和测量数据可视化等方面具有明显的优点,并且极大地减轻了劳动强度,提高了工作效率。
- 激光雷达 /
- 体积测量 /
- 三维重建
Abstract: At present, there are lots of methods to acquire geographic information infrastructure. The traditional acquisitions of spatial data mainly use the methods as follows: surveying directly in the field, digitizing from existing maps, and photogrammetry. Data digitized from existing maps are often dated and go behind time. Optical images, which are more fundamental and matured means, include enormous and visual information, and have a good speed to capture data. But it is rather difficult to recognize, interpret and model objects included in image. And highly complicated, expensive stereo measurement instrument and skilled operators characterize photogrammetry. The approaches between field survey and photogrammetry are time-consuming, and the former is often low efficiency and the latter results in high cost. Moreover, DEM generated from photogrammetry render problems if the topography shows only minor differences in height and/or in significant contrast, and in forested area is problematic, too. Laser-scanning has been accepted to generate DEM for several years.Laser-scanning technique, which is divided into both ground-based and airborne according to its mounted platform, is mainly used to such applications as surveying bulk, measuring profile, generating surface DEM, and so forth.We focused on the ground-based laser-scanning technique including the development of algorithms, model, visualization, and of the applications suitable to laser scanning. Ground-based laser range scanner is one of the potential sensors for the automatic reconstruction of detailed surface data of the spatial objects. In our research, we employed fixed platform with motive station. In this paper, the development and principle of laser range scanning is introduced. The method of volume measurement by use of laser scanning is discussed and a system for this work is developed. Comparing with traditional surveying method, laser scanning has advantages in precision, automation, visualization as well as efficiency and working situation.
- laser range scanner /
- volume measurement /
- three dimensional rebuilding

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激光雷达测量技术及其应用研究

1 武汉测绘科技大学校长办公室, 武汉市珞喻路129号, 430079;

2 武汉测绘科技大学测绘遥感信息工程国家重点实验室, 武汉市珞喻路129号, 430079

基金项目: 国家测绘局测绘科技发展基金资助项目,(98011);武汉市晨光计划资助项目,(995004104G)

作者简介:
李清泉,男,35岁,教授,博士生导师。现从事测量工程、地理信息系统的理论与应用研究。代表成果:基于八叉树和四面体格网的三维混合数据模型以及三维空间数据集成方法;针对城市三维可视化模型的具体应用开发出一个应用系统(3DTOOL)。E-mail:lqq@wtusm.edu.cn

收稿日期: 2000-04-18
刊出日期: 2000-05-05

中图分类号: P236

关键词:

激光雷达 /

体积测量 /

三维重建

摘要: 对激光雷达测量技术的发展进行了概括,介绍了激光雷达测量技术的原理,探讨了利用激光雷达进行堆体体积测量的技术和方法,在此基础上发展了一个激光雷达测量系统,并在实际测量工作中进行了应用。实验表明,激光雷达测量技术与传统的测量方法相比,在测量精度、自动化程度和测量数据可视化等方面具有明显的优点,并且极大地减轻了劳动强度,提高了工作效率。

English Abstract

Research on Laser Range Scanning and Its Application

1 Presidential Secretariat, WTUSM, 129 Luoyu Road, Wuhan, China, 430079;

2 National Laboratory for Information Engineering in Surveying, Mapping and Remote Sensing, WTUSM, 129 Luoyu Road, Wuhan, China, 430079

Received Date: 2000-04-18
Publish Date: 2000-05-05

Keywords:

Abstract: At present, there are lots of methods to acquire geographic information infrastructure. The traditional acquisitions of spatial data mainly use the methods as follows: surveying directly in the field, digitizing from existing maps, and photogrammetry. Data digitized from existing maps are often dated and go behind time. Optical images, which are more fundamental and matured means, include enormous and visual information, and have a good speed to capture data. But it is rather difficult to recognize, interpret and model objects included in image. And highly complicated, expensive stereo measurement instrument and skilled operators characterize photogrammetry. The approaches between field survey and photogrammetry are time-consuming, and the former is often low efficiency and the latter results in high cost. Moreover, DEM generated from photogrammetry render problems if the topography shows only minor differences in height and/or in significant contrast, and in forested area is problematic, too. Laser-scanning has been accepted to generate DEM for several years.Laser-scanning technique, which is divided into both ground-based and airborne according to its mounted platform, is mainly used to such applications as surveying bulk, measuring profile, generating surface DEM, and so forth.We focused on the ground-based laser-scanning technique including the development of algorithms, model, visualization, and of the applications suitable to laser scanning. Ground-based laser range scanner is one of the potential sensors for the automatic reconstruction of detailed surface data of the spatial objects. In our research, we employed fixed platform with motive station. In this paper, the development and principle of laser range scanning is introduced. The method of volume measurement by use of laser scanning is discussed and a system for this work is developed. Comparing with traditional surveying method, laser scanning has advantages in precision, automation, visualization as well as efficiency and working situation.

李清泉, 李必军, 陈静. 激光雷达测量技术及其应用研究[J]. 武汉大学学报 ● 信息科学版, 2000, 25(5): 387-392.

引用本文:

李清泉, 李必军, 陈静. 激光雷达测量技术及其应用研究[J]. 武汉大学学报 ● 信息科学版, 2000, 25(5): 387-392.

LI Qingquan, LI Bijun, CHEN Jing. Research on Laser Range Scanning and Its Application[J]. Geomatics and Information Science of Wuhan University, 2000, 25(5): 387-392.

Citation:

LI Qingquan, LI Bijun, CHEN Jing. Research on Laser Range Scanning and Its Application[J]. Geomatics and Information Science of Wuhan University, 2000, 25(5): 387-392.