搜索结果: 1-15 共查到“大地测量学 Laser Scanning”相关记录19条 . 查询时间(0.302 秒)
TESTING OF LAND COVER CLASSIFICATION FROM MULTISPECTRAL AIRBORNE LASER SCANNING DATA
multi-wavelength ALS texture analysis classification data fusion laser intensity land cover mapping
2016/11/23
Multispectral Airborne Laser Scanning provides a new opportunity for airborne data collection. It provides high-density topographic surveying and is also a useful tool for land cover mapping. Use of a...
MULTISPECTRAL AIRBORNE LASER SCANNING FOR AUTOMATED MAP UPDATING
Laser scanning Lidar Multispectral Point cloud Mapping Automation Updating Change detection
2016/7/27
During the last 20 years, airborne laser scanning (ALS), often combined with multispectral information from aerial images, has shown its high feasibility for automated mapping processes. Recently, the...
PEDESTRIAN DETECTION BY LASER SCANNING AND DEPTH IMAGERY
profile scanning depth imagery 3D modelling pedestrian detection
2016/7/27
Pedestrian flow is much less regulated and controlled compared to vehicle traffic. Estimating flow parameters would support many safety, security or commercial applications. Current paper discusses a ...
GEOLOGICAL OUTCROP MODELLING AND INTERPRETATION USING GROUND BASED HYPERSPECTRAL AND LASER SCANNING DATA FUSION
Laser Integration Lidar Close Range Hyper spectral Mapping Geology
2015/12/29
Recent developments in the utilisation of close range laser scanning (lidar) in geology have seen the increased use of virtual outcrop data. The remote mapping of rock properties within the virtual ou...
Documentation of the Zazadin Inn with Laser Scanning
Terrestrial Laser Scanner Cultural Heritage Documentation Zazadin Inn
2015/11/13
Technological development has brought a new instrument for 3D object survey in every field, and laser scanner is the latest of these instruments. In this time, laser scanners has been used for obtain ...
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...
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...
Extraction of Road Geometry Parameters from Laser Scanning and Existing Databases
Road Parameter Extraction Digital Road Databases Laser Scanning Data Fusion
2015/5/26
Today's car navigation systems have reached a high level of maturity, using huge map databases with a high coverage and
up-to-dateness. However, as additional applications gain importance, such as ad...
On the Quality of Object Classification and Automated Building Modelling Based on Laser Scanning Data
Object Detection Building Modelling Accuracy Laser scanning Disaster Management
2015/5/26
In this paper, techniques for an automated extraction, classification and modelling of 3D objects will be presented. They use solely
laserscanning derived digital elevation models as data basis. Tre...
Investigations of Airborne Laser Scanning Signal Intensity on Glacial Surfaces - Utilizing Comprehensive Laser Geometry Modeling and Orthophoto Surface Modeling (A Case Study: Svartisheibreen, Norway)
Laser Scanning Glaciology Geometry LIDAR Snow Ice GIS Modelling Infrared Intensity
2015/5/26
A comprehensive Geographic Information System (GIS) was developed to determine how the laser intensity of an Airborne Laser
Scanning (ALS) system was affected by 1) geometry and 2) surface type. The...
Investigating the Spatial Structure of Error in Digital Surface Models Derived from Laser Scanning Data
digital surface models surface roughness segmentation
2015/5/26
Laser scanning produces a set of irregularly spaced data points, the values of which indicate the height of the
surface above datum. These data are frequently used for creating digital surface model...
Interactive Relative Orientation Between Terrestrial Images and Airborne Laser Scanning Data
Interactive Relative Orientation Airborne Laser Scanning Terrestrial Panoramic Images
2015/5/26
This paper describes direct interactive relative orientation method between terrestrial digital images and laser scanner data.
Traditionally, the orientation between images and 3D data requires inte...
Filtering of Laser Scanning Data in Forest Areas using Finite Elements
Laser scanning Finite elements TIN robust adjustment
2015/5/26
During the last decade laser scanning turned out to be one of the most promising techniques in photogrammetry. Some
photogrammetrists even say that laser scanning has caused a paradigm change in pho...
Airborne Laser Scanning Technology and its Potential for Applications in Glaciology
Glaciology Laser Scanning Monitoring Change Detection DEM DTM
2015/5/26
Glaciers are important sources for water supply and valuable indicators for climate change processes. In several countries glaciers have
already been monitored for many years by public authorities o...