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EXTRACTING WINDOWS FROM TERRESTRIAL LASER SCANNING
3D modeling terrestrial laser scanning TIN evaluation
2015/11/10
With the high density point clouds obtained with terrestrial laser scanning, detailed building facade structures, such as windows, can be recovered. There are usually only a few laser points available...
GEOMETRICAL ASPECTS OF AIRBORNE LASER SCANNING AND TERRESTRIAL LASER SCANNING
Airborne Laser Scanning Terrestrial Laser Scanning LiDAR Geometry Orientation Registration Segmentation Calibration Digital Terrain Model DTM
2015/11/10
This paper reviews the current state of laser scanning from airborne and terrestrial platforms for geometric reconstruction of object shape and size. The current performance figures of sensor systems ...
RAY TRACING FOR MODELING OF SMALL FOOTPRINT AIRBORNE LASER SCANNING RETURNS
RAY TRACING FOR MODELING SMALL FOOTPRINT AIRBORNE LASER SCANNING RETURNS
2015/11/10
Airborne Laser Scanning (ALS) has been established as a valuable tool for the estimation of biophysical canopy variables, such as tree height and vegetation density. However, up to now most approaches...
AUTOMATIC GLACIER SURFACE ANALYSIS FROM AIRBORNE LASER SCANNING
Airborne Laser Scanning DEM Glacier Crevasses Mathematical Morphology
2015/11/10
Glaciers are interesting phenomena to scientists, mountaineers and tourists. Glaciers have a great impact on the local economy, power generation and water supply. Furthermore, the behaviour of glacier...
TREE HEIGHT ESTIMATION METHODS FOR TERRESTRIAL LASER SCANNING IN A FOREST RESERVE
Terrestrial Laser scanning Forestry Photogrammetry Modelling Single tree
2015/11/10
A terrestrial laser scanning survey has been performed on a forest reserve site. This paper represents the processing of the dataset. Two new methods have been developed for tree positioning, which is...
GLACIER SURFACE SEGMENTATION USING AIRBORNE LASER SCANNING POINT CLOUD AND INTENSITY DATA
Airborne Laser scanning Point cloud Segmentation Classification Intensity Glaciology
2015/11/10
As glaciers are good indicators for the regional climate, most of them presently undergo dramatic changes due to climate change. Remote sensing techniques have been widely used to identify glacier sur...
ADAPTIVE FILTERING OF AERIAL LASER SCANNING DATA
LIDAR Classification Algorithms DEM/DTM Automation
2015/11/10
Filtering non-terrain points from raw laser scanning data is the most important goal to improve productivity in DTM generation.Filtering algorithms are built on assumptions about what discriminates te...
DETECTION AND RECONSTRUCTION OF FREE FORM SURFACES FROM AIRBORNE LASER SCANNING DATA
LiDAR City modeling Building reconstruction Free Form Curved Surfaces
2015/11/10
Building reconstruction from LiDAR data offers promising prospects for rapid generation of large-scale 3D models in an autonomous manner. Such reconstruction requires knowledge on a variety of paramet...
SIMULATING SAMPLING EFFICIENCY IN AIRBORNE LASER SCANNING BASED FOREST INVENTORY
Airborne laser scanner Simulator Forest inventory
2015/11/10
A simple simulator was developed to test whether airborne laser scanning can be used as a strip sampling tool for forest inventory purposes. The simulator is based on the existing two stages,grid base...
APPLICATION OF TERRESTRIAL LASER SCANNING FOR SHIPBUILDING
laser scanning terrestrial point cloud shipbuilding underbody 3D modelling
2015/11/10
Recently, a laser scanner technology has been receiving more attention. Nowadays use of terrestrial laser scanners (TLS) is continuously increasing. This technique offers the possibility of measuring ...
COMPARISON OF TECHNIQUES FOR TERRESTRIAL LASER SCANNING DATA GEOREFERENCING APPLIED TO 3-D MODELLING OF CULTURAL HERITAGE
Cultural Heritage Documentation, Georeferencing, Visualization, Terrestrial Laser Scanning
2015/10/8
The paper is deals with the application of terrestrial laser scanning for the generation of a 3D model of the historical settlement of
San Pietro al Monte in Civate (Lombardia, Italy). In the first ...
LASER SCANNING IN POMPEIAN CITY WALL A COMPARATIVE STUDY OF ACCURACY OF THE DRAWINGS FROM 1930S TO 40S
Laser Scanning Pompeii City wall A. Maiuri
2015/10/8
This paper aims to compare between the drawings in 1930s and 40s and the result of our laser scanning from 2005 to 2007 and
analyze the causes of their failures. In the 19th century, Mazois makes no...
MODEL REFINEMENT BY INTEGRATED PROCESSING OF LASER SCANNING AND PHOTOGRAMMETRY
LIDAR Point Cloud LASERMAP Modeling Facade Urban
2015/10/8
For tasks such as the generation of realistic visualizations from pedestrian viewpoints in virtual reality and multimedia applications,
urban models extracted from airborne data are too coarse and t...
USE THE 3D LASER SCANNING FOR DOCUMENTATION THE RIGA CATHEDRAL IN LATVIA
Cultural Heritage Documentation Photogrammetr(y) 3D laserscanning 3D modelling
2015/10/8
Documentation, analysis and estimate of cultural heritage and historical objects is very complicate and interesting work. The Riga cathedral
is one of the oldest building in the Riga city. It is inc...
AUTOMATIC DTM GENERATION FROM LASER-SCANNING DATA IN RESIDENTIAL HILLY AREA
LIDAR Geodesic dilation image reconstruction
2015/9/28
Airborne laser scanning systems provide high quality 3D point clouds from the earth’s surface. A Digital Surface Model (DSM) is
provided from the LIDAR data after removing the outliers from the point...