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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 ...
TERRESTRIAL LASER SCANNER AND FAST CHARACTERIZATION OF SUPERFICIAL LESIONS IN ARCHITECTURAL DIAGNOSIS
errestrial laser scanner pathology defensive towers masonry Camarles Tower
2019/3/1
The development of massive data captures techniques (MDC) in recent years, such as the Terrestrial Laser Scanner (TLS), raises the possibility of developing new assessment procedures for architectural...
JOINT CALIBRATION OF 3D LASER SCANNER AND DIGITAL CAMERA BASED ON DLT ALGORITHM
Direct Linear Transformation 3D laser scanner Digital camera Point-cloud Image
2018/4/30
Design a calibration target that can be scanned by 3D laser scanner while shot by digital camera, achieving point cloud and photos of a same target. A method to joint calibrate 3D laser scanner and di...
ON A FUNDAMENTAL EVALUATION OF A UAV EQUIPPED WITH A MULTICHANNEL LASER SCANNER
UAV Multichannel laser scanner Accuracy evaluation Laser-acquired point cloud Photogrammetry
2018/3/30
Unmanned aerial vehicles (UAVs), which have been widely used in various fields such as archaeology, agriculture, mining, and construction, can acquire high-resolution images at the millimetre scale. I...
METHODS FOR THE AUTOMATIC GEOMETRIC REGISTRATION OF TERRESTRIAL LASER SCANNER POINT CLOUDS IN FOREST STANDS
Terrestrial laser scanning forest stands registration sphere extraction tree axes
2016/2/29
A combined analysis of multiple terrestrial laser scanner point clouds recorded from different positions requires a geometric
registration of these scans. In most applications of terrestrial laser s...
calibration of the optech altm 3100 laser scanner intensity data using brightness targets
LIDAR Calibration Targets Quality Radiometric Calibration field Laser scanning
2015/9/1
In this paper the calibration of Optech ALTM 3100 laser scanner intensity is reported using airborne experiments and known brightness targets. The Finnish Geodetic Institute has had a permanent photog...
3D BUILDING MODEL GENERATION FROM AIRBORNE LASER SCANNER DATA USING 2D GIS DATA AND ORTHOGONAL POINT CLOUD PROJECTIONS
LIDAR point cloud segmentation building model reconstruction automation
2015/8/13
Human operators use an intuitive procedure of rotating laser scanner point clouds into specific projections when trying to understand
the structure of buildings contained in the data. This procedure ...
CHANGE DETECTION ON POINTS CLOUD DATA ACQUIRED W ITH A GROUND LASER SCANNER
Ground LiDAR laser scanning points cloud comparison
2015/8/13
Ground based laser scanning is now well settled in the fields of cultural heritage, as-built modelling and monitoring applications. W e
intend to use laser scanning to detect changes on building sit...
FILTERING OF AIRBORNE LASER SCANNER DATA BASED ON SEGMENTED POINT CLOUDS
Segmentation Filtering Laser scanning LiDAR
2015/8/13
The extraction of points on the bare Earth from point clouds acquired by airborne laser scanning is the most time consuming and
expensive part in the production of digital elevation models with laser...
TOWARDS A 3D TRUE COLORED SPACE BY THE FUSION OF LASER SCANNER POINT CLOUD AND DIGITAL PHOTOS
: Laser Scanning Digital Photogrammetry Data Fusion True Color 3D model Cultural Heritage
2015/8/7
The fusion of the laser scanner data, with its very rich point cloud, and the digital image, with its very detailed information about the
radiometric characteristics, to produce optimum 3D model, no...
3D LASER SCANNER AIMED TO ARCHITECTURAL HERITAGE SURVEY: FROM THE POINT’S CLOUD TO THE GEOMETRICAL GENESIS DETERMINATION
Architectural heritage Laser scanning point clouds 3D modeling
2015/8/7
The present essay is a result of a wider research we are conducting at the Laboratory of Architectural Photogrammetry and Survey of
Catania directed by professor Luigi Andreozzi. The research concern...
THE COLORED COMPARISON OF THE WALL SCULPTURE WITH 3D LASER SCANNER AND ORTHOPHOTO
cultural heritage restoration colored comparison laser scanning photogrammetry
2015/8/7
Now, the experts and the technician with special knowledge and professional skills have investigated the important cultural heritage
and have maintained them using traditional techniques. We are sur...
Monitoring marginal erosion in hydroelectric reservoirs with terrestrial mobile laser scanner
Mobile terrestrial laser scanner Monitoring LIDAR Point Cloud
2014/6/30
Marginal erosions in reservoirs of hydroelectric plants have caused economic and environmental problems concerning hydroelectric power generation, reduction of productive areas and devaluing land parc...
A comparison of multi-view 3D reconstruction of a rock wall using several cameras and a laser scanner
Close Range Photogrammetry Camera Comparison Accuracy Three-dimensional Modelling Engineering Application Geology
2014/6/30
This work presents a comparative study between multi-view 3D reconstruction using various digital cameras and a terrestrial laser scanner (TLS). Five different digital cameras were used in order to es...
Surveying and mapping a cave using 3d laser scanner: the open challenge with free and open source software
Survey 3D laser scanner Open source software Cave Point clouds Mesh
2014/6/30
The present work is part of a series of activities involving different skills, in order to explore and document in detail one of the most visited caves in Liguria Region. In this context, in addition ...