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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
2018/5/15
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...
OBJECT-BASED IMAGE ANALYSIS BEYOND REMOTE SENSING–THE HUMAN PERSPECTIVE
OBIA GEOBIA GIScience place bona fide objects
2016/11/24
We introduce a prototypical methodological framework for a place-based GIS-RS system for the spatial delineation of place while incorporating spatial analysis and mapping techniques using methods from...
POLARIMETRIC SIGNATURES IDENTIFICATION FOR DIFFERENT FEATURES IN RADARSAT-2 POLSAR IMAGE:A CASE STUDY OF HALAYIB AREA,EGYPT
Radarsat-2 PolSAR Polarimetric signatures Pauli decomposition Co-polarization and cross-polarization signature
2016/11/24
In fully polarized SAR (PolSAR) data the returned signal from a target contains all polarizations. More information about this target may be inferred with respect to single-polarization. Distinct pola...
MULTIPLE REFLECTION EFFECTS IN NONLINEAR MIXTURE MODEL FOR HYPERSPECTRAL IMAGE ANALYSIS
Hyperspectral images Linear mixture model (LMM) Generalized bilinear model (GBM) Modified generalized bilinear model (MGBM)
2016/11/23
Hyperspectral spectrometers can record electromagnetic energy with hundreds or thousands of spectral channels. With such high spectral resolution, the spectral information has better capability for ma...
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...
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 ...
HYPERSPECTRAL IMAGE FEATURE EXTRACTION BASED ON GENERALIZED DISCRIMINANT ANALYSIS
Hyperspectral Image Feature Extraction Generalized Discriminant Analysis Kernel Function
2015/12/30
The hyperspectral image enriches spectrum information, so compared with panchromatic image and multispectral image; it can classify the ground target better. The feature extraction of hyperspectral im...
ATMOSPHERIC SMOG MODELLING,USING EOS SATELLITE ASTER IMAGE SENSOR,WITH FEATURE EXTRACTION FOR PATTERN RECOGNITION TECHNIQUES AND ITS ANALYSIS OF VARIANCE WITH IN-SITU GROUND SENSOR DATA
Smog Absorption Bands Satellite-Imagery Spectral Signature Sensors ASTER
2015/12/28
Atmospheric pollution was previously considered as a 'Brown Cloud’ phenomenon restricted to industrialized urban regions. Studies in field stations and satellite observations made since the last decad...
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...
Monitoring the Recovery Process of the Disaster-Affected Areas -Scaling Context Image Analysis in GEO Grid-Based Solution
Disaster Management Satellite Remote Sensing Change Detection Image Understanding
2015/12/18
This paper presents a new remotely sensed solution for monitoring the recovery of a large disaster-affected area. It exploits the powerful data grid and computing grid technologies developed on GEO (G...
An Accuracy Assessment Measure for Object Based Image Segmentation
Segmentation ASTRO BerkeleyImageSeg Ecognition Definiens
2015/12/17
Traditional approaches to accuracy assessment are inadequate for object oriented image processing. We tested some measures to assess the accuracy of object based image segmentation in a supervised con...
Validation on Internet Satellite Image Mosaics and E-Maps
Spatial Analysis High-resolution Image Image Understanding Data Integration Geo-information Management
2015/12/16
As everyone can browse high-resolution satellite image and e-map products on the Internet freely, such as the Google™ Maps (image mosaics and e-maps) since 2005, some significant mapping defects...