搜索结果: 1-15 共查到“光电子技术 laser scanner”相关记录23条 . 查询时间(0.078 秒)
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
2018/5/14
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
2018/6/4
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...
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
2014/7/30
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...
Analysis and correction of the dependency between laser scanner intensity values and range
Terrestrial laser scanning intensity range correction
2014/7/30
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...
A voxel-based technique to estimate the volume of trees from terrestrial laser scanner data
Terrestrial Laser Scanning Point Cloud Tree Volume Estimation Voxel
2014/7/30
The precise determination of the volume of standing trees is very important for ecological and economical considerations in forestry. If terrestrial laser scanner data are available, a simple approach...
Conservation and valorization of the historical heritage through laser scanner tecnology
Laser scanner survey Architectural conservation Point cloud
2014/4/22
In Italy there is a very widespread multitude of buildings important and interesting in the field of Cultural Heritage. Several of them have been abandoned in the last decades and now they show all th...
Comparison of working efficiency of terrestrial laser scanner in day and night conditions
ITU Civil Engineering Faculty Department of Geomatics Engineering 34469 Maslak Istanbul Turkey
2014/4/22
Terrestrial Laser Scanning is a popular and widely used technique to scan existing objects, document historical sites and items, and remodel them if and when needed. Their ability to collect thousands...