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A COMPARATIVE STUDY AMONG THREE REGISTRATION ALGORITHMS: PERFORMANCE, QUALITY ASSURANCE AND ACCURACY
Accuracy Automation Least Squares Registration'Terrestrial Laser Scanning
2019/3/4
A critical task in every terrestrial laser scanning project is the transformation (addressed to as registration or alignment) of multiple point clouds into a common reference system. Even though this ...
COMPARISON WITH ACCURACY OF TERRESTRIAL LASER SCANNER BY USING POINT CLOUD ALIGNED WITH SHAPE MATCHING AND BEST FITTING METHODS
laser scanning time of flight phase shift shape matching natural distributions Ostia
2019/3/4
Recently operation systems of laser scanning have been obviously improved; for instance shape matching has been equipped with software on a post processing stage so measurement without any targets is ...
ACCURACY ASSESSMENT OF 3D MODELS GENERATED FROM GOOGLE STREET VIEW IMAGERY
Spherical Photogrammetry Equi-rectangular Panoramas Accuracy
2019/3/1
Google Street View is a technology implemented in several Google services/applications (e.g. Google Maps, Google Earth) which provides the user, interested in viewing a particular location on the map,...
COMPARATIVE GEOMETRICAL ACCURACY INVESTIGATIONS OF HAND-HELD 3D SCANNING SYSTEMS – AN UPDATE
3D mesh point cloud reference structured light systems VDI/VDE
2018/6/4
Hand-held 3D scanning systems are increasingly available on the market from several system manufacturers. These systems are deployed for 3D recording of objects with different size in diverse applicat...
New research provides scientists looking at single molecules or into deep space a more accurate way to analyze imaging data captured by microscopes, telescopes and other devices.The improved method fo...
LASER SCANNING IN POMPEIAN CITY WALL A COMPARATIVE STUDY OF ACCURACY OF THE DRAWINGS FROM 1930S TO 40S
Laser Scanning Pompeii City wall A. Maiuri
2015/10/8
This paper aims to compare between the drawings in 1930s and 40s and the result of our laser scanning from 2005 to 2007 and
analyze the causes of their failures. In the 19th century, Mazois makes no...
performance analysis of altm3100ea system:instrument specifications and accuracy of lidar data
LiDAR laser scanning DEM/DTM accuracy performance
2015/9/1
Over the last decade the number of airborne lidar systems currently deployed and operating in the field has grown impressively.This growth has intensified the level of competition among lidar equipmen...
a review of the asprs guidelines for the reporting of horizontal and vertical accuracy in lidar data
Lidar Airborne Laser Scanning CAL/VAL Specification Standards Accuracy
2015/9/1
The American Society for Photogrammetry and Remote Sensing (ASPRS) Lidar Committee (ASPRS LC) has developed guidelines titled “ASPRS Lidar Guidelines – Vertical Accuracy Reporting for Lidar Data V1.0 ...
ACCURACY OF 3D CITY MODELS: EuroSDR comparison
Laser scanning photogrammetry building extraction accuracy
2015/8/13
The paper focuses on comparing accuracies obtained with photogrammetry and laser scanning in building extraction and partly compares results obtained with various methods. The objective of the EuroSDR...
Accuracy of typical photogrammetric networks in cultural heritage 3D modeling projects
Accuracy Photogrammetry Convergent Bundle block adjustment Network Cultural Heritage
2014/7/30
The easy generation of 3D geometries (point clouds or polygonal models) with fully automated image-based methods poses nontrivial problems on how to check a posteriori the quality of the achieved resu...
A novel high accuracy 3D scanning device for rock-art sites
Stereo Structure from Motion drift compensation tachymeter
2014/7/30
We are currently developing a novel 3D scanning device for rock-art. Within the European project 3D-Pitoti, this scanner shall be used to acquire 3D structure and radiometric surface properties of anc...
Experimental Assessment of the Accuracy of an Advanced Photonic-Bandgap-Fiber Model
Accuracy Advanced Photonic-Bandgap-Fiber Model
2015/8/7
From scanning-electron microscope images of the cross section of a photonic-bandgap fiber (NKT Photonics’HC-1550-02) we developed a realistic model for its permittivity profile that includ...
THE ASSESSMENT OF THE ABSOLUTE PLANIMETRIC ACCURACY OF AIRBORNE LASERSCANNING
LIDAR Point Cloud DEM/DTM Quality Accuracy Statistics Specifications
2014/6/5
In acquisition and processing of Digital Elevation Models (DEMs) derived from airborne laser scanning (ALS) blunders and systematic errors occur. An assessment of the geometric quality of DEMs is nece...
ACCURACY ASSESSMENT OF BUILDING MODELS CREATED FROM LASER SCANNING DATA
Architecture Modelling LIDAR TLS Accuracy Three-dimensional
2014/4/28
Recently, it can be observed a growing interest in 3D building or city models created from laser scanning data. These models are used in many areas of interest. In this work the accuracy assessment of...
Influence of the length of a uniform fiber Bragg grating on the accuracy of measuring an impulsive strain
optical fiber Bragg grating sensor impulsive strain
2011/5/5
The influence of the length of a uniform, unapodized and apodized fiber Bragg grating on the accuracy of converting an impulsive strain is discussed. Using the transfer matrix description of the grati...