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DECOMPOSITION TECHNIQUES FOR ICESAT/GLAS FULL-WAVEFORM DATA
ICESat/GLAS Full-Waveform Waveform Decomposition Method Overlapped Echo Components Levenberg-Marquard (LM) Optimization Method
2018/4/30
The geoscience laser altimeter system (GLAS) on the board Ice, Cloud, and land Elevation Satellite (ICESat), is the first long-duration space borne full-waveform LiDAR for measuring the topography of ...
A GLOBAL REGISTRATION ALGORITHM OF THE SINGLE-CLOSED RING MULTI-STATIONS POINT CLOUD
Terrestrial laser scanning Multi-stations registration ICP Global registration Single-Closed Ring Point Cloud
2018/4/30
Aimed at the global registration problem of the single-closed ring multi-stations point cloud, a formula in order to calculate the error of rotation matrix was constructed according to the definition ...
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...
AUTOMATIC MATCHING OF LARGE SCALE IMAGES AND TERRESTRIAL LIDAR BASED ON APP SYNERGY OF MOBILE PHONE
Mobile phone APP Images Laser Point Cloud Matching
2018/4/30
The digitalization of Cultural Heritage based on ground laser scanning technology has been widely applied. High-precision scanning and high-resolution photography of cultural relics are the main metho...
MONITORING OF PROGRESSIVE DAMAGE IN BUILDINGS USING LASER SCAN DATA
Change monitoring unreinforced masonry building LiDAR point cloud post-disaster
2018/3/30
Vulnerability of buildings to natural and man-induced hazards has become a main concern for our society. Ensuring their serviceability, safety and sustainability is of vital importance and the main re...
REPRESENTING ROAD RELATED LASERSCANNED DATA IN CURVED REGULAR GRID: A SUPPORT TO AUTONOMOUS VEHICLES
curved regular grid road surface terrestrial laser scanning mobile mapping autonomous vehicle transformation
2018/3/30
The terrestrial and mobile laser scanning has become nowadays a mature technology applied in several technical and non-technical applications. The transportation infrastructure can be surveyed by thes...
LOW-COST 3D DEVICES AND LASER SCANNERS COMPARISON FOR THE APPLICATION IN ORTHOPEDIC CENTRES
Low-cost 3D sensors Biomedical applications 3D Metrology Resolution Systematic error
2018/3/30
Low-cost 3D sensors are nowadays widely diffused and many different solutions are available on the market. Some of these devices were developed for entertaining purposes, but are used also for acquisi...
STOCHASTIC SURFACE MESH RECONSTRUCTION
TLS point cloud point error model error ellipsoid variance-covariance propagation surface triangulation
2018/3/30
A generic and practical methodology is presented for 3D surface mesh reconstruction from the terrestrial laser scanner (TLS) derived point clouds. It has two main steps. The first step deals with deve...
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...
INVESTIGATION OF GEOMETRIC PERFORMANCE OF AN INDOOR MOBILE MAPPING SYSTEM
Mobile Laser Scanning Evaluation Viametris iMS3D Point Cloud Indoor Modeling
2018/3/30
Up-to-date and reliable 3D information of indoor environments is a prerequisite for many location- based services. One possibility to capture the necessary 3D data is to make use of Mobile Mapping Sys...
COMPARISON OF POINT CLOUD REGISTRATION ALGORITHMS FOR BETTER RESULT ASSESSMENT – TOWARDS AN OPEN-SOURCE SOLUTION
Registration Point clouds Comparison Evaluation Open-source Laser scanning Quality criteria
2018/3/30
Terrestrial and airborne laser scanning, photogrammetry and more generally 3D recording techniques are used in a wide range of applications. After recording several individual 3D datasets known in loc...
DETERMINING GEOMETRIC PARAMETERS OF AGRICULTURAL TREES FROM LASER SCANNING DATA OBTAINED WITH UNMANNED AERIAL VEHICLE
UAV LiDAR orchards tree height alpha-shape
2018/3/30
The estimation of dendrometric parameters has become an important issue for agriculture planning and for the efficient management of orchards. Airborne Laser Scanning (ALS) data is widely used in fore...
A NEW PROTOCOL FOR TEXTURE MAPPING PROCESS AND 2D REPRESENTATION OF RUPESTRIAN ARCHITECTURE
Rupestrian Architecture Hypogea Laser Scanner Image Projections Equidistant Multiple Sections
2018/3/30
The development of the survey techniques for architecture and archaeology requires a general review in the methods used for the representation of numerical data. The possibilities offered by data proc...
CLASSIFICATION OF MOBILE LASER SCANNING POINT CLOUDS OF URBAN SCENES EXPLOITING CYLINDRICAL NEIGHBOURHOODS
Point clouds Mobile Laser Scanning Classification Feature extraction Cylindrical Approach 3D Mapping
2018/3/30
This paper presents our work on automated classification of Mobile Laser Scanning (MLS) point clouds of urban scenes with features derived from cylinders around points of consideration. The core of ou...
PLANE-BASED REGISTRATION OF SEVERAL THOUSAND LASER SCANS ON STANDARD HARDWARE
Terrestrial laser scanning registration plane-to-plane correspondences stochastic modelling large networks
2018/3/30
The automatic registration of terrestrial laser scans appears to be a solved problem in science as well as in practice. However, this assumption is questionable especially in the context of large proj...