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BUILT-UP AREA DETECTION FROM HIGH-RESOLUTION SATELLITE IMAGES USING MULTI-SCALE WAVELET TRANSFORM AND LOCAL SPATIAL STATISTICS
Built-up Area Detection High-resolution Satellite Image Wavelet Transform Local Spatial Statistics
2018/5/11
Recently, built-up area detection from high-resolution satellite images (HRSI) has attracted increasing attention because HRSI can provide more detailed object information. In this paper, multi-resolu...
3D Spatial Information Extraction from Stereo Combination of Two Different Satellite Images
IRS-1D SPOT-4 Orbital Parameters Model Rational Function Model
2015/8/17
This paper describes the geometric accuracy testing of the IRS-1D and SPOT-4 images when combining together
as stereo, over a test field in Zanjan province in the west part of Iran. For reconstructi...
On the Temporal and Spatial Accuracy of Spectral Difference Method on Moving Deformable Grids and the Effect of Geometry Conservation Law
conservation law Geometric Conservation Law Runge-Kutta (ERK) spatial discretization
2015/7/3
In this paper we studied and examined the formulation of conservation laws on dynamic moving deforming meshes, in the context of the Geometric Conservation Law (GCL) compliant high order temporal and ...
Application of Spatial Statistics to Ionosphere Estimation for WAAS
Spatial Statistics Ionosphere Estimation WAAS
2015/6/26
Now that the Wide Area Augmentation System (WAAS)has finalized the algorithms providing Lateral Navigation/Vertical Navigation (LNAV/VNAV) service,an increasing level of attention is being given to th...
LAAS Ionosphere Spatial Gradient Threat Model and Impact of LGF and Airborne Monitoring
LAAS Ionosphere Spatial Gradient Threat Model Airborne Monitoring
2015/6/26
The ionosphere spatial gradient and its temporal rate of change in the vicinity of a LAAS-equipped airport are likely to influence the architecture required to meet the Category II/III precision appro...
Ionosphere Spatial Gradient Threat for LAAS: Mitigation and Tolerable Threat Space
Ionosphere Spatial Gradient Threat LAAS:Threat Space
2015/6/26
The ionosphere spatial gradients under extreme conditions are likely to influence the LAAS architecture,particularly for Category II/III precision approach and landing systems. In previous study, a “m...
Assessment of Nominal Ionosphere Spatial Decorrelation for LAAS
Assessment Ionosphere Spatial Decorrelation LAAS
2015/6/26
The Local Area Augmentation System (LAAS) is a ground-based differential GPS system being developed to support aircraft precision approach and landing navigation with guaranteed integrity. To quantita...
Low-Elevation Ionosphere Spatial Anomalies Discovered from the 20 November 2003 Storm
Low-Elevation Ionosphere Spatial Anomalies Discovered
2015/6/25
This paper presents data from low-elevation satellites on 20 November 2003 in the Ohio region, the area of the largest validated gradients seen to date. As viewed by multiple CORS stations in central ...