Results 41 to 50 of about 1,584,735 (291)
CYLINDER-BASED SELF-CALIBRATION OF A PANORAMIC TERRESTRIAL LASER SCANNER [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 Terrestrial Laser Scanners (TLSs) have become state-of-the-art metrological sensors for many surveying purposes in recent years. Due to the demand for high precision surveying with TLSs, efficient, rigorous and in-situ calibration methodologies are ...
T. O. Chan, D. D. Lichti
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Application of Terrestrial Laser Scanner in engineering survey
IOP Conference Series: Earth and Environmental Science, 2021 Abstract For evaluating the objective measured by the traditional measurement technology that is continuous and periodic single point observation method, it is one-sided and uncertainty. The 3D laser scanning technology called the real scene reproduction technology can provide the support for the 3D design of all kinds of tested ...
Chang’an Hu +5 more
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DLR VR-SCAN: A versatile and robust miniaturized laser scanner for short range 3D-modelling and exploration in robotics [PDF]
, 2011 Precise and robust perception of the environment is crucial for highly integrated and autonomous robot systems. In this paper the dedicated design of a triangulation based laser range scanner optimized for 3D-modelling and autonomous exploration in ...
Hacker, Franz +9 more
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Estimation of canopy structure and individual trees from laser scanning data [PDF]
, 2012 During the last fifteen years, laser scanning has emerged as a data source for forest inventory. Airborne laser scanning (ALS) provides 3D data, which may be used in an automated analysis chain to estimate vegetation properties for large areas ...
Lindberg, Eva
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Terrestrial laser scanner for the analysis of airport pavement geometry
International Journal of Pavement Engineering, 2017 The knowledge of the geometric features of an airport’s pavement surface is essential to ensuring the safety and comfort of the driving users.
BARBARELLA, MAURIZIO +2 more
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Remote Sensing, 2023 Low-cost unmanned aerial system (UAS) photogrammetry and terrestrial laser scanner (TLS, terrestrial LiDAR) technologies are being used as noncontact measurement methods for collecting unstructured data for the maintenance of construction infrastructure ...
Joonoh Kang +4 more
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Estimation of 3D vegetation structure from waveform and discrete return airborne laser scanning data [PDF]
, 2012 This study presents and compares new methods to describe the 3D canopy structure with Airborne Laser Scanning (ALS) waveform data as well as ALS point data.
Olofsson, Kenneth, +12 more
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VIRTUAL TERRESTRIAL LASER SCANNER SIMULATOR IN DIGITAL TWIN ENVIRONMENT
Proceedings ARQUEOLÓGICA 2.0 - 9th International Congress & 3rd GEORES - GEOmatics and pREServation, 2021 We are presenting a Terrestrial Laser Scanner simulator - a software device which could be a valuable educational tool for geomatics and engineering students. The main goal of the VirScan3D project is to cover engineering digitisation and will be solved through the development of a virtual system that allows users to create realistic data in the ...
Thomas Luhmann +5 more
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Canopy structural modeling using object-oriented image classification and laser scanning [PDF]
, 2008 A terrestrial laser scanning (TLS) experiment was carried out in the EAGLE 2006 campaign to characterize and model the canopy structure of the Speulderbos forest. Semi-variogram analysis was used to describe spatial variability of the surface.
Vekerdy, Zoltán +3 more
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Data, 2020 In forest inventory, trees are usually measured using handheld instruments; among the most relevant are calipers, inclinometers, ultrasonic devices, and laser range finders.
Christoph Gollob +2 more
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