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HYBRID GEOMETRIC CALIBRATION METHOD FOR MULTI-PLATFORM SPACEBORNE SAR IMAGE WITH SPARSE GCPS
SAR image geometric calibration R-D model multi-platform TerraSAR-X TanDEM-X Gaofen-3
2018/4/30
Geometric calibration is able to provide high-accuracy geometric coordinates of spaceborne SAR image through accurate geometric parameters in the Range-Doppler model by ground control points (GCPs). H...
A METHOD OF GENERATING DEM FROM DSM BASED ON AIRBORNE INSAR DATA
InSAR DSM Adaptive Threshold Segmentation DEM, Filtering
2018/4/30
Traditional methods of terrestrial survey to acquire DEM cannot meet the requirement of acquiring large quantities of data in real time, but the DSM can be quickly obtained by using the dual antenna s...
A MATCHING METHOD TO REDUCE THE INFLUENCE OF SAR GEOMETRIC DEFORMATION
SAR image image matching SURF SNCC geometrical deformations
2018/4/30
There are large geometrical deformations in SAR image, including foreshortening, layover, shade，which leads to SAR Image matching with low accuracy. Especially in complex terrain area, the control poi...
NOVEL SNOW DEPTH RETRIEVAL METHOD USING TIME SERIES SSMI PASSIVE MICROWAVE IMAGERY
Snow Depth Support Vector Regression Nonlinear Modeling Genetic Algorithm band combination
2016/11/30
The Special Sensor Microwave Imager (SSM/I) and the Special Sensor Microwave Imager Sounder (SSM/IS) are satellites that work in passive microwave range. The SSM/I has capability to measure geophysica...
RESEARCH ON THE CONSTRUCTION METHOD OF COMPREHENSIVE EVALUATION INDEX OF GEOGRAPHIC CONDITIONS
Geographic conditions Index Mathematical method Evaluation
2016/11/23
This article proposes a construction method for a comprehensive geographic conditions evaluation index based on geographic conditions survey data combined with thematic data on society, economy, ecolo...
A MODIFIED METHOD FOR IMAGE TRIANGULATION USING INCLINED ANGLES
image triangulation inclined angle spherical triangle panorama least squares
2016/7/27
The ongoing technical improvements in photogrammetry, Geomatics, computer vision (CV), and robotics offer new possibilities for many applications requiring efficient acquisition of three-dimensional d...
TUNNEL POINT CLOUD FILTERING METHOD BASED ON ELLIPTIC CYLINDRICAL MODEL
Elliptic Cylindrical Model Point Cloud Filtering Tunnel Central Axis Non-points Regional Segmentation
2016/7/5
The large number of bolts and screws that attached to the subway shield ring plates, along with the great amount of accessories of metal stents and electrical equipments mounted on the tunnel walls, m...
AIRBORNE LINEAR ARRAY IMAGE GEOMETRIC RECTIFICATION METHOD BASED ON UNEQUAL SEGMENTATION
Linear array image Geometric rectification Unequal segmentation Dynamic programming Straight line feature
2016/7/4
As the linear array sensor such as multispectral and hyperspectral sensor has great potential in disaster monitoring and geological survey, the quality of the image geometric rectification should be g...
A NOVEL IMAGE FUSION METHOD FOR MULTI-SPECTRAL AND HIGH-RESOLUTION PANCHROMATIC IMAGES
Image Fusion Multi-Source Images Spectral Distortion Spectral Preservation Spatial Resolution SAO
2016/3/17
How to greatly benefit form a variety of remote sensing data has become a bottle-neck problem in application of remote sensing. As an image has high spectral resolution, but relatively lower spatial r...
Vectorization of raster data is very important in GIS. Adjacent vertices of vector graphics usually pass though the same vertical or horizontal straight lines after vectorization. This paper proposes ...
A NEW METHOD TO ESTIMATE THE VISIBLE REFLECTANCE FROM SHORT WAVE INFRARED WAVELENGTH
Reflectance MODIS Aerosol Atmosphere correction AOD SWIR
2015/12/28
This article mainly discussed how to estimate surface reflectance of the visible wavelength which are affected by the atmosphere from surface reflectance at 2.1μm which are almost transparent in commo...
THE PROBLEM OF THE IHS METHOD WHICH EXISTS IN THE QUICK-BIRD IMAGE FUSION AND THE IMPROVEMENT OF IT
Quick-Bird Image Fusion Ihs Transform Visual-Pan Band Method Linear Weighted Matching
2015/12/26
Against the Spectrum distortion problem of the IHS method which exists in the Quick-Bird data fusion, the paper proposes visualpan band method and Linear weighted matching two methods to improve it, p...
A RAPID METHOD FOR WATER TARGET EXTRACTION IN SAR IMAGE
Synthetic Aperture Radar Imagery Water Target Automatic Recognition Grey Morphology Nonlinear Filter
2015/12/23
For the inherent speckles in SAR imagery, the processing of object extraction becomes more difficult. Using the traditional target extraction arithmetic for optical imagery, we can not get ideal resul...
Method of WCS Client Based on Pyramid Model
WCS Pyramid Model Client Spatial Image Local Cache
2015/12/17
As a non-profit, international, voluntary consensus standards organization, OGC and ISO/TC211 have been dedicating to develop standards for geospatial and location based services. WMS and WCS are two ...
A Rapid Method of Illegal Mining Information Extraction
Mine Law Enforcement Information Extraction RS GIS
2015/12/2
The method of IHS transformation and remote sensing image data is made good use of extracting mining change regions in this paper. After overlaying change region with land use data or mining property ...