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THRESHOLD DETERMINATION FOR LOCAL INSTANTANEOUS SEA SURFACE HEIGHT DERIVATION WITH ICEBRIDGE DATA IN BEAUFORT SEA
IceBridge optimal threshold Sea surface reference Beaufort sea
2018/5/17
The NASA Operation IceBridge (OIB) mission is the largest program in the Earth’s polar remote sensing science observation project currently, initiated in 2009, which collects airborne remote sensing m...
PROBLEMS AND LIMITATIONS OF SATELLITE IMAGE ORIENTATION FOR DETERMINATION OF HEIGHT MODELS
ZY3 WorldView-2 Pleiades Cartosat-1 systematic errors
2017/7/12
The usual satellite image orientation is based on bias corrected rational polynomial coefficients (RPC). The RPC are describing the direct sensor orientation of the satellite images. The locations of ...
ESTIMATION OF STAND HEIGHT AND FOREST VOLUME USING HIGH RESOLUTION STEREO PHOTOGRAPHY AND FOREST TYPE MAP
Stand Height Forest Volume normalized DSM Aerial Photo
2016/11/30
Traditional field methods for measuring tree heights are often too costly and time consuming. An alternative remote sensing approach is to measure tree heights from digital stereo photographs which is...
FULLY AUTOMATED GIS-BASED INDIVIDUAL TREE CROWN DELINEATION BASED ON CURVATURE VALUES FROM A LIDAR DERIVED CANOPY HEIGHT MODEL IN A CONIFEROUS PLANTATION
Crown Delineation Canopy Height Model (CHM) Local Maxima Curvature Slope Thiessen Polygons
2016/11/30
The generation of high resolution canopy height model (CHM) from LiDAR makes it possible to delineate individual tree crown by means of a fully-automated method using the CHM’s curvature through its s...
IMPACTS OF TREE HEIGHT-DBH ALLOMETRY ON LIDAR-BASED TREE ABOVEGROUND BIOMASS MODELING
tree aboveground biomass lidar allometric equations simulation regression
2016/11/30
Lidar has been widely used in tree aboveground biomass (AGB) estimation at plot or stand levels. Lidar-based AGB models are usually constructed with the ground AGB reference as the response variable a...
ANALYSIS AND CORRECTION OF SYSTEMATIC HEIGHT MODEL ERRORS
DSM/DTM systematic error optical space images orientation satellite jitter
2016/7/4
The geometry of digital height models (DHM) determined with optical satellite stereo combinations depends upon the image orientation, influenced by the satellite camera, the system calibration and att...
IMPROVE THE ZY-3 HEIGHT ACCURACY USING ICESAT/GLAS LASER ALTIMETER DATA
ZY-3 ICESat GLAS Satellite Laser Altimetry Satellite LiDAR
2016/7/4
ZY-3 is the first civilian high resolution stereo mapping satellite, which has been launched on 9th, Jan, 2012. The aim of ZY-3 satellite is to obtain high resolution stereo images and support the 1:5...
TANDEM-X: Block Adjustment of Interferometric Height Models
TanDEM-X InSAR block adjustment method DEM/DTM error calibration
2016/1/25
The TanDEM-X mission will derive a global digital elevation model (DEM) with satellite SAR interferometry. The aimed accuracies are an absolute, resp. relative height error of 10m resp. 2m for 90% of ...
Accuracy Assessment of Building Height Estimation from a High Resolution Optical Image Combined with a Simulated SAR Image
Recognition SAR High resolution Fusion Reconstruction Urban Simulation TerraSAR-X
2016/1/25
Modern space borne SAR sensors like TerraSAR-X and COSMO-SkyMed are capable of acquiring images with a geometric ground
resolution of one meter. Airborne sensors achieve even higher ground resolutio...
Building Height Estimation in Urban Areas from Very High Resolution Satellite Stereo Images
satellite data digital surface model urban area local and global matching empirical comparison height estimation
2016/1/25
The extraction of the third dimension from stereoscopic image pairs is a well known technique. Since in a number of countries aerial
images and laser scanner data are unavailable, expensive or class...
BRIDGE HEIGHT ESTIMATION FROM COMBINED HIGH-RESOLUTION OPTICAL AND SAR IMAGERY
SAR High Resolution Urban Fusion Change Detection Infrastructure Detection
2015/12/31
Today's airborne (Memphis, AeS-1, Ramses) and space borne (TerraSAR-X, CosmoSkyMed, Radarsat) SAR sensors provide very high resolution imagery independent of daylight and cloud coverage. Space borne s...
DETECTING BUILDING CHANGES FROM AERIAL IMAGES USING HEIGHT INFORMATION
Change Detection Aerial Stereo Images Edge Detection VLL Matching
2015/12/31
A new approach of detecting urban building changes using edge detection and VLL (vertical line locus) matching method is presented. The approach mainly contents three steps. First step, edges are extr...
TEMPERATE FOREST HEIGHT ESTIMATION PERFORMANCE USING ICESAT GLAS DATA FROM DIFFERENT OBSERVATION PERIODS
Temperate Forest Height Large Footprint Lidar waveform ICEsat GLAS Observation Period
2015/12/31
To investigate the forest height estimation potential and performance of different observation periods GLAS data in temperate region, this study uses the Northeast of China as test site. USFS FIA styl...
Application and Precision Analysis of Tree height Measurement with LiDAR
Image Processing Accuracy Analysis Forestry Laser Scanning Point Cloud Digital Surface Models(DSM) Digital Terrain Models(DEM)
2015/12/29
Light Detection And Ranging (LiDAR), is a system of laser detection and distance measurement installed on aircraft or satellites. Because of its high angular resolution, high range resolution and anti...
ESTIMATING CANOPY HEIGHT OF MONTANE COOL TEMPERATE FOREST USING LARGE-FOOTPRINT SPACEBORNE LIDAR
LiDAR Forest Canopy height Estimation Model
2015/12/28
Estimation of forest carbon storage is a critical challenge for understanding the global carbon cycle because it dominates the dynamics of the terrestrial carbon cycle. Light Detection and Ranging (Li...