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VOXEL BASED REPRESENTATION OF FULL-WAVEFORM AIRBORNE LASER SCANNER DATA FOR FORESTRY APPLICATIONS
Full-waveform airborne laser scanning Voxel space Ray tracing Forest Filtering
2016/11/30
The advantages of using airborne full-waveform laser scanner data in forest applications, e.g. for the description of the vertical vegetation structure or accurate biomass estimation, have been emphas...
UNCERTAINTY PROPAGATION FOR TERRESTRIAL MOBILE LASER SCANNER
Mobile mapping Laser scanner Uncertainty propagation Error ellipsoid
2016/7/27
Laser scanners are used more and more in mobile mapping systems. They provide 3D point clouds that are used for object reconstruction and registration of the system. For both of those applications, un...
PERSPECTIVE INTENSITY IMAGES FOR CO-REGISTRATION OF TERRESTRIAL LASER SCANNER AND DIGITAL CAMERA
Point Cloud Perspective Intensity Image Image Matching Random Sample Consensus (RANSAC) Pose Estimation Terrestrial Laser Scanning (TLS)
2016/7/27
Co-registration of terrestrial laser scanner and digital camera has been an important topic of research, since reconstruction of visually appealing and measurable models of the scanned objects can be ...
Unmanned Aerial Vehicles (UAV) have been recognized as a tool for geospatial data acquisition due to their flexibility and favourable cost benefit ratio. The practical use of laser scanning devices on...
Deformation Monitor Based on 3D Laser Scanner
Hazards Monitoring Detection Laser scanning Three-dimensional
2015/12/18
It introduces the methods of deformation monitoring based on 3D laser scanner. The point clouds obtained by multi-period scanning for deformation monitored object are registered. The coordinate system...
Potential of the ADS40 Aerial Scanner for Archaeological Prospection in Rheinau, Switzerland
Airborne remote sensing Archaeology ADS40 Calibration Multitemporal Interpretation Comparison
2015/12/18
The goal of this research is to test an empirical line radiometric calibration of airborne digital scanner ADS40 data from Leica Geosystems, for remote sensing applications in general and to demonstra...
EXTRACTING STRUCTURAL CHARACTERISTICS OF DORMANT HERBACEOUS FLOODPLAIN VEGETATION FROM AIRBORNE LASER SCANNER DATA
Floodplains, Herbaceous vegetation Leaf-off vegetation height vegetation density
2015/11/10
To map spatial patterns of floodplain vegetation structure for hydrodynamic modelling, airborne laser scanning is a promising tool. In a test for the lower Rhine floodplain, vegetation height and dens...
HIERARCHICAL CLUSTERED OUTLIER DETECTION IN LASER SCANNER POINT CLOUDS
Point cloud Laser Scanner Outlier detection EMST Gabriel graph Clustering
2015/11/10
Cleaning laser scanner point clouds from erroneous measurements (outliers) is one of the most time consuming tasks that has to be done before modeling. There are algorithms for outlier detection in di...
INTEGRATED BUNDLE ADJUSTMENT WITH VARIANCE COMPONENT ESTIMATION–FUSION OF TERRESTRIAL LASER SCANNER DATA,PANORAMIC AND CENTRAL PERSPECTIVE IMAGE DATA
Bundle adjustment variance component estimation laser scanner camera panorama calibration
2015/11/10
Terrestrial laser scanners and digital cameras can be considered largely complementary in their properties. Several instruments combine a laser scanner and a camera, with the laserscanner providing ge...
LASER SCANNER SIMULATOR FOR SYSTEM ANALYSIS AND ALGORITHM DEVELOPMENT:A CASE WITH FOREST MEASUREMENTS
Airborne Terrestrial Laser scanning LIDAR Simulation Waveform Quality
2015/11/10
LIDAR systems have come to be extensively used in photogrammetry and mapping sciences. The accuracy of 3D information is mainly affected by navigational and system-dependent uncertainties, but also by...
USING AIRBORNE SMALL-FOOTPRINT LASER SCANNER TO ASSESS THE QUANTITY OF SEEDLINGS IN AN UNEVEN-AGED SPRUCE FOREST
Regeneration uneven-aged forest laser scanner data canopy structure
2015/11/10
The relationships between measures of forest structure as derived from airborne laser scanner data and the variation in quantity of young trees established by natural regeneration in a size-diverse sp...
EXTENSION OF AN AUTOMATIC BUILDING EXTRACTION TECHNIQUE TO AIRBORNE LASER SCANNER DATA CONTAINING DAMAGED BUILDINGS
Laser scanning LIDAR Point Cloud DSM Segmentation Extraction Building Disaster
2015/9/17
Airborne laser scanning systems generate 3-dimensional point clouds of high density and irregular spacing. These data consist of multiple returns coming from terrain, buildings, and vegetation. The ma...
ADDING THE THIRD DIMENSION TO A TOPOGRAPHIC DATABASE USING AIRBORNE LASER SCANNER DATA
3D Reconstruction topographic features data fusion laser scanner data segmentation modelling
2015/8/31
Laser altimetry provides reliable and detailed 3D data, which to certain extent, can be processed (semi-)automatically into 3D information. The use of an additional source of information, like 2D GIS ...
NEW APPROACH FOR AUTOMATIC DETECTION OF BUILDINGS IN AIRBORNE LASER SCANNER DATA USING FIRST ECHO ONLY
LIDAR Urban Processing Detection Building Segmentation Classification
2015/8/31
Airborne laser scanning has become a significant 3D data acquisition technique in the field of surveying. By measuring point clouds defined in three-dimensional coordinates, this technique provides al...
ADDING THE THIRD DIMENSION TO A TOPOGRAPHIC DATABASE USING AIRBORNE LASER SCANNER DATA
3D Reconstruction topographic features data fusion laser scanner data segmentation modelling
2015/8/28
Laser altimetry provides reliable and detailed 3D data, which to certain extent, can be processed (semi-)automatically into 3D information. The use of an additional source of information, like 2D GIS ...