搜索结果: 1-15 共查到“测绘科学技术 Laser altimetry”相关记录17条 . 查询时间(0.133 秒)
FUSION OF LASER ALTIMETRY DATA WITH DEMS DERIVED FROM STEREO IMAGING SYSTEMS
Ice Sheet Surface Elevation Changes Fusion System Mass Balance Changes
2016/11/30
During the last two decades surface elevation data have been gathered over the Greenland Ice Sheet (GrIS) from a variety of different sensors including spaceborne and airborne laser altimetry, such as...
MASS BALANCE CHANGES AND ICE DYNAMICS OF GREENLAND AND ANTARCTIC ICE SHEETS FROM LASER ALTIMETRY
Laser Atimetry Surface Elevation Changes Greenland Antarctica Ice Sheet Mass Balance Sea-Level Rise
2016/11/30
During the past few decades the Greenland and Antarctic ice sheets have lost ice at accelerating rates, caused by increasing surface temperature. The melting of the two big ice sheets has a big impact...
EVALUATION OF ASTER GDEM V3 USING ICESAT LASER ALTIMETRY
ASTER ICESat Topography Elevation Models Geodetic Ground Control Laser Altimetry
2016/11/8
We have used a set of Ground Control Points (GCPs) derived from altimetry measurements from the Ice, Cloud and land Elevation Satellite (ICESat) to evaluate the quality of the 30 m posting ASTER (Adva...
ICESAT FULL WAVEFORM ALTIMETRY COMPARED TO AIRBORNE LASER ALTIMETRY OVER THE NETHERLANDS
Full waveform DTM AHN Laser altimetry ICESat
2015/11/10
Since 2003 the spaceborne laser altimetry system on board of NASA’s Ice, Cloud and land Elevation Satellite (ICESat) has acquired a large world-wide database of full waveform data organized in 15 prod...
LASER ALTIMETRY FOR RIVER MANAGEMENT
laser scanning DEM/DTM precision hydrology monitoring vegetation classification
2015/6/1
Laser altimetry seems to be an attractive method for the fast acquisition of up to date height data which can be useful for various river management tasks. The Geo-information and ICT department of th...
Quality Improvement of Laser Altimetry DEMs
Laser altimetry DEM DTM quality height precision strip adjustment
2015/5/26
The new Dutch national digital elevation model (AHN), acquired with laser altimetry, is almost complete. Local water boards want to
use the laser data for water management tasks such as determining ...
ON THE ESTIMATION OF PLANIMETRIC OFFSETS IN LASER ALTIMETRY DATA
Laser altimetry strip adjustment
2015/3/24
Offsets between overlapping strips of laser altimetry data serve as the input for strip adjustment procedures that estimate and
eliminate systematic errors in laser altimetry datasets. For a three-di...
3D Perceptual Organization of Laser Altimetry Data
Perceptual Organization Segmentation Merging Grouping LIDAR Laser Altimetry Points 3D
2015/3/10
Perceptual organization is to group sensory primitives arising from a common underlying cause by imposing structural organization on sensory data. It has been emphasized as a robust intermediate-level...
HIGH RESOLUTION SURFA CE GEOMETRY AND ALBEDO BY COMBINING LASER ALTIMETRY AND VISIBLE IMA GES
Bayesian inference surface geometry albedo computer vision
2015/3/10
The need fo r accurate geometric and radiometric info rmation over la rge a reas has b ecome increasingly imp o rtant. Laser altimetry is one of the key technologies fo r obtaining this geometric info...
Quantifying River Bank Erosion with Scanning Laser Altimetry
Bank erosion bank collapse scanning laser altimetry non-point source pollution
2015/3/10
Detailed topographic data collected with an airborne laser scanner can help determine the extent of bank erosion and identify banks that are more vulnerable to bank collapse and thus require stabiliza...
A point set obtained by laser altimetry represents points from not only the ground surface but also objects found on it. For civil works applications points representing the surface of non-ground obje...
PHOTOGRAMMETRY AND LASER ALTIMETRY
Photogrammetry Laser Ranging DTM generation Surface Reconstruction Calibration Segmentation Fusion
2014/12/22
Laser altimetry has, and is continuing to have a profound impact on photogrammetry. This paper discusses the interrelationship between the two fields, identifies problems, and suggests a common resear...
COMMERCIAL DEVELOPMENT OF AIRBORNE LASER ALTIMETRY
laser altimetry airborne laser mapping airborne laser scanning commercial laser instruments
2014/12/22
Preliminary results of a study to estimate the instrument base required to support a competitive laser altimetry sector within the global remote sensing industry are presented. The recent growth of th...
ANALYSIS OF SATELLITE LASER ALTIMETRY RANGE MEASUREMENTS OVER LAND TOPOGRAPHY USING GENERALIZED ATTITUDE PARAMETER EXTRACTION
Laser Altimetry Satellite Topography Attitude Pointing
2014/12/22
Two new laser altimeter satellites are being launched by NASA in the near future: the ICESat (Ice, Clouds, Elevation) satellite and the VCL (Vegetation Canopy Lidar) satellite. Although each satellite...
UTILIZING AIRBORNE LASER ALTIMETRY FOR THE IMPROVEMENT OF AUTOMATICALLY GENERATED DEMS OVER URBAN AREAS
Data Fusion Laser Photogrammetry Surface Reconstruction
2014/12/22
Airborne laser altimetry is a highly efficient and accurate method of obtaining data for the determination of visible surface topography. With minimal processing, the laser data can provide coordinate...