Results 11 to 20 of about 6,775,431 (345)

Planning for Terrestrial Laser Scanning in Construction: A Review

open access: yesAutomation in Construction, 2021
Terrestrial Laser Scanning (TLS) is an efficient and reliable method for collecting point clouds which have a range of applications in the Architecture, Engineering and Construction (AEC) domain.
Frédéric Bosché, Tang Pingbo
exaly   +2 more sources

Comparison of Backpack, Handheld, Under-Canopy UAV, and Above-Canopy UAV Laser Scanning for Field Reference Data Collection in Boreal Forests

open access: yesRemote Sensing, 2020
In this work, we compared six emerging mobile laser scanning (MLS) technologies for field reference data collection at the individual tree level in boreal forest conditions.
Juha Hyyppä, Teemu Hakala, Xiaowei Yu
exaly   +2 more sources

Is Field-Measured Tree Height as Reliable as Believed – A Comparison Study of Tree Height Estimates From Field Measurement, Airborne Laser Scanning and Terrestrial Laser Scanning in a Boreal Forest

open access: yesISPRS Journal of Photogrammetry and Remote Sensing, 2019
Quantitative comparisons of tree height observations from different sources are scarce due to the difficulties in effective sampling. In this study, the reliability and robustness of tree height observations obtained via a conventional field inventory ...
Juha Hyyppä, Ziyi Feng, Jingbin Liu
exaly   +2 more sources

Terrestrial Laser Scanning in Forest Inventories

open access: yesISPRS Journal of Photogrammetry and Remote Sensing, 2016
Decision making on forest resources relies on the precise information that is collected using inventory. There are many different kinds of forest inventory techniques that can be applied depending on the goal, scale, resources and the required accuracy ...
Juha Hyyppä, Xiaowei Yu, Ville Kankare
exaly   +2 more sources

A review of laser scanning for geological and geotechnical applications in underground mining [PDF]

open access: yesInternational Journal of Mining Science and Technology, 2022
Laser scanning can provide timely assessments of mine sites despite adverse challenges in the operational environment. Although there are several published articles on laser scanning, there is a need to review them in the context of underground mining ...
S. Singh, B. Banerjee, S. Raval
semanticscholar   +1 more source

Virtual laser scanning with HELIOS++: A novel take on ray tracing-based simulation of topographic 3D laser scanning [PDF]

open access: yesRemote Sensing of Environment, 2021
Topographic laser scanning is a remote sensing method to create detailed 3D point cloud representations of the Earth's surface. Since data acquisition is expensive, simulations can complement real data given certain premises are available: i) a model of ...
L. Winiwarter   +6 more
semanticscholar   +1 more source

INVESTIGATIONS INTO THE ACCURACY OF THE UAV SYSTEM DJI MATRICE 300 RTK WITH THE SENSORS ZENMUSE P1 AND L1 IN THE HAMBURG TEST FIELD [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
The development of increasingly powerful Unmanned Aerial Vehicles (UAV) is progressing continuously, so that these systems equipped with high-resolution sensors can be used for a variety of different applications.
T. Kersten, J. Wolf, M. Lindstaedt
doaj   +1 more source

Applying 3D scanning and modeling in transport design education [PDF]

open access: yes, 2006
Advanced 3D Laser Scanning processes have developed over the last decade and are now available and affordable for medium to large companies as well as education.
Unver, Ertu   +2 more
core   +5 more sources

A transputer Based Laser Scanning System [PDF]

open access: yes, 1992
This paper presents a transputer-based laser scanner. This is to be integrated into an existing transputer-based mariufacturing environment to allow rapid construction of' 3-0 models.
Tewkesbury, G   +4 more
core   +4 more sources

Individual tree point clouds and tree measurements from multi-platform laser scanning in German forests

open access: yesEarth System Science Data, 2022
. Laser scanning from different acquisition platforms enables collecting 3D point clouds from different perspectives and with varying resolutions. Such point clouds allow us to e.g., retrieve information about the forest structure and individual tree ...
Hannah Weiser   +5 more
semanticscholar   +1 more source

Home - About - Disclaimer - Privacy