搜索结果: 196-210 共查到“工学 laser scanning”相关记录302条 . 查询时间(0.128 秒)
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...
Clustering in Airborne Laser Scanning Raw Data for Segmentation of Single Trees
Airborne laser scanning segmentation cluster analysis point clouds forestry
2015/5/26
In recent years airborne laser scanning has been proven to be a helpful tool for remote sensing forestry applications.
As laser scanning systems now provide very high point density (> 10 points=m2
)...
USING PHOTOGRAMMETRY AND LASER SCANNING IN SURVEYNG MONUMENTAL HERITAGE: LE GROTTE DI CASTELLANA
Cultural Heritage Photogrammetry Modelling Laser scanning
2015/5/25
Using the most recent survey techniques of an Architectural or Monumental Heritage, this study investigates problems on three-dimensional modelling in order to develop and to promote vision metrology....
RECONSTRUCTION WITH LASER SCANNING AND 3D VISUALIZATION OF ROMAN MONUMENTS AND REMAINS IN TYRE, LEBANON
Laser Scanning Cultural heritage Reconstruction Visualization CG animation
2015/5/25
3D scanning using laser scanners has been recognized as one of the most efficient and accurate way to record and reconstruct digitally large-scale cultural heritages. The authors report on 3D scanning...
INFORMATION LACK LOCALIZATION IN ARCHITECTURAL LASER SCANNING SURVEYS: THE VENICE TEST SITE
Laser scanner point cloud Nurbs mesh
2015/5/25
The laser scanning survey is one of the most updated and growing technique to acquire digital data for the architectural archives,including the cultural heritage applications and the archeological sit...
EFFICIENT NOISE REDUCTION OF LASER SCANNING DATA FOR ARCHAEOLOGICAL SURVEY
Archaeology Topography Laser scanning DEM Automatic
2015/5/25
Recently, a ground based laser scanning sensor is receiving more attention as an useful tool for real-time acquisition of 3D data, and its applications are proposed in various fields. For example, a t...
CULTURAL HERITAGE RECORDING WITH LASER SCANNING, COMPUTER VISION AND EXPLOITATION OF ARCHITECTURAL RULES
Laser scanning image processing computer vision vanishing points digital rectification 3D model
2015/5/25
Laser scanning enables to measure a huge number of 3D points in a few time. However, the creation of a 3D model from these data remains an involving work. We introduce a method to get this modeling ta...
COMPARISON BETWEEN “CLASSICAL” AND LASER SCANNING SURVEY FOR A GEMETRICAL AND MATERICAL READING OF ARCHITECTURE
topographical and photogrammetrical methods laser scanner cultural heritage survey photoplans 2D/ 3D representation
2015/5/25
It appears clear that it’s now unavoidable to discuss about the use of the new instruments such as laser scanners when we have to work in the Cultural Heritage field. Laser scanner is seen from someon...
AUTOMATIC EXTRACTION OF ROAD SURFACE AND CURBSTONE EDGES FROM MOBILE LASER SCANNING DATA
Automation Extraction Laser scanning Mapping Mobile Surface Urban
2015/5/21
We present a procedure for automatic extraction of the road surface from geo-referenced mobile laser scanning data. The basic assumption of the procedure is that the road surface is smooth and limited...
EXTRACTING LANDMARKS FOR CAR NAVIGATION SYSTEMS USING EXISTING GIS DATABASES AND LASER SCANNING
Car Navigation Landmarks GIS
2015/5/18
Today’s car navigation systems provide driving instructions in the form of maps, pictograms, and spoken language. However, they are
so far not able to support landmark-based navigation, which is the ...
URBAN LAND-USE CLASSIFICATION USING INTEGRATED AIRBORNE LASER SCANNING DATA AND HIGH RESOLUTION MULTI-SPECTRAL SATELLITE IMAGERY
DSM/DEM/DTM Classification Laser Scanning
2015/5/12
One of the most promising approaches to solve the challenging task of urban land-use classification is integration of multi-spectral
satellite image data and range data. In this paper, height data ac...