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DENOISING POINT CLOUD DATA OF SMALL-STRUCTURED FREE FORMSURFACES CAPTURED BY A PHASE-BASED LASERSCANNER
Laser scanning Close-range Point Cloud Filtering Cultural Heritage
2016/2/29
Terrestrial laser scanners based on the time-of-flight measurement principle or the phase comparison method are used for cultural
heritage documentation. Only if the scanned surfaces consist of exte...
TREE DETECTION AND DIAMETER ESTIMATIONS BY ANALYSIS OF FOREST TERRESTRIAL LASERSCANNER POINT CLOUDS
Terrestrial laserscanning point cloud segmentation automation forest inventory diameters along the stem
2015/11/10
Forest inventory schemes collect, besides tree species and some area parameters, geometric tree parameters such as diameter at breast height (DBH), tree height, stem profiles, azimuth and distance. Fo...
A CONCEPT FOR ADAPTIVE MONO-PLOTTING USING IMAGES AND LASERSCANNER DATA
Photogrammetry LIDAR Surface Reconstruction Semi-automation Extraction Fusion Combination
2015/8/31
The combination of photogrammetry (with its high geometric and radiometric resolution) and terrestrial laser scanning (allowing direct 3D measurement) is a very promising technique for object reconstr...
A CONCEPT FOR ADAPTIVE MONO-PLOTTING USING IMAGES AND LASERSCANNER DATA
Photogrammetry LIDAR Surface Reconstruction Semi-automation Extraction Fusion Combination
2015/8/28
The combination of photogrammetry (with its high geometric and radiometric resolution) and terrestrial laser scanning (allowing direct 3D measurement) is a very promising technique for object reconstr...
Automatic break-line detection from laserscanner data using surface flatness
Spatial Information Sciences Automation Cultural Heritage Extraction
2015/8/25
Recently, a laser scanner has been receiving more attention as a useful tool for real-time 3D data acquisition, and various applications such as city modelling, DTM generation and 3D modelling of cult...
Opto-mechanical combination of a line scanning camera and a micro laserscanner system
Panoramic camera laser scanner optical path field lens
2015/8/25
Line scanning cameras are used in photogrammetric applications to record images with a very high resolution and a field of view up to 360° horizontally. In order to generate 3D information more than o...
Structure line modelling based on terrestrial laserscanner data
Structure line Modelling Semi-automation Terrestrial Laserscanning Object Reconstruction
2015/8/25
In the last years, terrestrial laser scanning (TLS) instruments are gaining more and more importance for the 3D data acquisition for a variety of applications. However, the subsequent modelling proced...
Outlier detection in laserscanner point clouds
Point cloud Laser Scanner Outlier detection
2015/8/24
Outlier detection in laser scanner point clouds is an essential process before the modelling step. However, the number of points in the generated point cloud is in the order of million points, so (sem...
Experiences with terrestrial laserscanner modelling and accuracy assessment
Accuracy Calibration Error Laser Scanning LIDAR TLS
2015/8/24
This paper presents advances in terrestrial laser scanner systematic error modelling and self-calibration. The error model consists of 19 additional parameters grouped into two categories: physical an...
Comparison of DSMs generated from mini UAV imagery and terrestrial laserscanner in a cultural heritage application
UAV Laser scanning DEM/DTM Comparison Analysis Accuracy Archaeology
2015/8/24
In this paper we present two different methods, which were applied for the DSM generation of the cultural heritage site Pinchango Alto. The area of interest is a LIP (Late Intermediate Period; 1400 AD...
Classification and segmentation of terrestrial laserscanner point clouds using local variance Information
3D laser scanning point cloud classifi cation segmentation
2015/8/24
With the use of terrestrial laser scanning, it is possible to capture thousands of 3-dimensional points on the surface of an object. The problem is that the vast quantity of data that needs to be mani...
Automatic registration of terrestrial laserscanner data via imagery
terrestrial laser scanner 3D point clouds registration colour coded targets 3D similarity transformation
2015/8/24
The registration of point clouds forms the first task associated with building 3D models from laser scanner data in cases where multiple scans are required for complete coverage of the scene or object...
Spatial Access Methods for Organizing Laserscanner Data
Laser scanning Data Structures Database Performance Processing
2015/7/6
Laserscanning produces large sets of multidimensional point data, which demand for an effective and efficient organization and
storage. Adequate data structures must perform specific spatial queries ...
IMPROVED 3D CITY MODELING WITH CYBERCITY-MODELER (CC-MODELER™) USING AERIAL-, SATELLITE IMAGERY AND LASERSCANNER DATA
3D city modeling photogrammetry satellite imagery laserscanner data real-time visualisation
2015/5/19
Semi-automated object extraction has been established as a standard procedure for the efficient generation of 3D city models. Apart from aerial imagery, satellite imagery and laserscanner data turned ...
On the use of pulse reflectance data for laserscanner strip adjustment
Airborne laserscanning accuracy pulse reflectance
2015/3/10
The precision of airborne laserscanner data is strongly influenced by the limited accuracy potential of the integrated GPS/INS pose determination system. Errors of kinematic GPS height determination w...