Results 31 to 40 of about 848,412 (306)

A Web-Based Geoinformation System for Heritage Management and Geovisualisation in Cantón Nabón (Ecuador)

open access: yesISPRS International Journal of Geo-Information, 2021
Since ancient times, human beings have been interested in knowing their environment in order to make the right decisions in territorial management. The spatial component is a feature of great importance in the assets that surround us.
Angel Collado   +3 more
doaj   +1 more source

Investigations on the Geometric Accuracy of the NavVis VLX 2 and VLX 3 Systems for the Use in Indoor Applications [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Mobile mapping technology from NavVis GmbH enables buildings and interiors to be captured quickly and accurately, creating digital twins. At HafenCity University (HCU) Hamburg, the NavVis VLX 2 and VLX 3 were used to test an interior recording system and
T. P. Kersten, M. Marsmann
doaj   +1 more source

MERGING PHOTOGRAMMETRY AND AUGMENTED REALITY: THE CANADIAN LIBRARY OF PARLIAMENT [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
In recent years, Augmented Reality (AR) technology has experienced considerable progress and the combination of AR and 3D modeling opens up new opportunities regarding 3D data visualization and interaction.
B. Carrión-Ruiz   +4 more
doaj   +1 more source

GEOMATICS DOCUMENTATION TECHNIQUES AS MONITORING TOOLS FOR RURAL BUILT HERITAGE IN NABÓN (ECUADOR) [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
Since 2008, the Ecuadorian Constitution gave all the rights and responsibilities to the municipalities to preserve and enhance their cultural and natural heritage.
A. Collado   +6 more
doaj   +1 more source

Adaptive laser range scanning

open access: yes2008 American Control Conference, 2008
We present an approach to laser range scanning in which quality metrics are used to automatically reduce the number of measurements acquired from a scanner viewpoint. As part of this approach we present improved versions of the orientation and reflectivity quality metrics, as well as introduce two quality metrics: resolvability and planarity.
MacKinnon, David   +2 more
openaire   +2 more sources

Generation and characterization of T40/A5754 interfaces with lasersPatrice [PDF]

open access: yes, 2014
Laser-induced reactive wetting and brazing of T40 titanium with A5754 aluminum alloy with 1.5 mm thickness was carried out in lap-joint configuration, with or without the use of Al5Si filler wire. A 2.4 mm diameter laser spot was positioned on the aluminum
BERTHE, Laurent   +5 more
core   +10 more sources

An Integrated GNSS/INS/LiDAR-SLAM Positioning Method for Highly Accurate Forest Stem Mapping

open access: yesRemote Sensing, 2016
Forest mapping, one of the main components of performing a forest inventory, is an important driving force in the development of laser scanning. Mobile laser scanning (MLS), in which laser scanners are installed on moving platforms, has been studied as a
Chuang Qian   +9 more
doaj   +1 more source

Enhanced controlling of the SLS Process during a build [PDF]

open access: yes, 1998
Current commercial Rapid Prototyping (RP) systems like Stereolithography (3D Systems Corporation) and Selective Laser Sintering (DTM Corporation) use galvanometers from General Scanning Inc. (GSI) for the positioning of the laser beam.
Ahzi, Said   +3 more
core   +1 more source

Laser Scanning in Forests [PDF]

open access: yesRemote Sensing, 2012
The introduction of Airborne Laser Scanning (ALS) to forests has been revolutionary during the last decade. This development was facilitated by combining earlier ranging lidar discoveries [1–5], with experience obtained from full-waveform ranging radar [6,7] to new airborne laser scanning systems which had components such as a GNSS receiver (Global ...
Holopainen, Markus   +3 more
openaire   +3 more sources

The Accuracy Comparison of Three Simultaneous Localization and Mapping (SLAM)-Based Indoor Mapping Technologies

open access: yesSensors, 2018
The growing interest and the market for indoor Location Based Service (LBS) have been drivers for a huge demand for building data and reconstructing and updating of indoor maps in recent years.
Yuwei Chen   +12 more
doaj   +1 more source

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