Results 31 to 40 of about 2,512 (152)
Analysis and correction of the dependency between laser scanner intensity values and range [PDF]
Intensity values, which are registered by a terrestrial laser scanner system (TLS) for each point of a 3D point cloud in addition to its coordinates, are affected by the characteristic of the measured object and the parameters of the environment.
R. Blaskow, D. Schneider
doaj +1 more source
Interactive Trunk Extraction from Forest Point Cloud [PDF]
For forest management or monitoring, it is required to constantly measure several parameters of each tree, such as height, diameter at breast height, and trunk volume.
T. Mizoguchi, Y. Kobayashi
doaj +1 more source
Performance evaluation of terrestrial laser scanners—a review
Abstract Terrestrial laser scanners (TLSs) are increasingly used in several applications such as reverse engineering, digital reconstruction of historical monuments, geodesy and surveying, deformation monitoring of structures, forensic crime scene preservation, manufacturing and assembly of engineering components, and architectural ...
openaire +3 more sources
Evaluation of the dynamics of change of shore cliff located in the vicinity of Pleśna village in the period 2006-2015 [PDF]
Climate changes on our planet contribute to the rise in the average level of the seas, oceans, and a greater number of storms. It causes an increasing process of the sea abrasion on the cliffs.
Czesław Suchocki +3 more
doaj +1 more source
Uncertainty Assessment in Terrestrial Laser Scanner Measurements
Abstract. The essential purpose of this study is to develop the measurement procedures in order toevaluate the quality of the observations carried out using Terrestrial Laser Scanner (TLS) equipment.It tries, in addition, to estimate an uncertainty value that allows the users to know the reliability of theinstrument measurements.
García Pallero, José Luis +1 more
openaire +2 more sources
Application of Terrestrial Laser Scanner in engineering survey
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
openaire +1 more source
Comparing Three Different Ground Based Laser Scanning Methods for Tree Stem Detection
A forest inventory is often carried out using airborne laser data combined with ground measured reference data. Traditionally, the ground reference data have been collected manually with a caliper combined with land surveying equipment.
Ivar Oveland +4 more
doaj +1 more source
CYLINDER-BASED SELF-CALIBRATION OF A PANORAMIC TERRESTRIAL LASER SCANNER [PDF]
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
doaj +1 more source
Terrestrial laser scanner for the analysis of airport pavement geometry
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
openaire +3 more sources
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
doaj +1 more source

