This Special Issue is associated with the 9th European Conference on Synthetic
Aperture Radar (EUSAR), which was in Nürnberg, Germany in April 2012
(http: //www.eusar.de). EUSAR is the international conference worldwide entirely
dedicated to the technology, techniques development, and applications of Synthetic
Aperture Radar (SAR)…
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Transactions
Call for Papers for the EUSAR-2012 Special Issue of TGRS
Landsat-7 ETM+: 12 Years On-Orbit Reflective-Band Radiometric Performance
The Landsat-7 ETM+ sensor has been operating on orbit for more than 12 years, and characterizations of its performance have been ongoing over this period. In general, the radiometric performance of the instrument has been remarkably stable: 1) noise performance has degraded by 2% or…
Dynamic Evidential Reasoning for Change Detection in Remote Sensing Images
Theories of evidence have already been applied more or less successfully in the fusion of remote sensing images. These attempts were based on the classical evidential reasoning which works under the condition that all sources of evidence and their fusion results are related to the…
Quantitative Analysis and Interpretation of Transient Electromagnetic Data via Principal Component Analysis
Transient electromagnetic (TEM) data in applied geophysics are invariably contaminated by random and coherent noise associated with acquisition, geology, and the environment. Advanced unexploded ordnance (UXO) detection and discrimination using TEM data require the suppression of the random noise and reliable separation of UXO signal…
Evaluation of Bayesian Despeckling and Texture Extraction Methods Based on Gauss–Markov and Auto-Binomial Gibbs Random Fields: Application to TerraSAR-X Data
Speckle hinders information in synthetic aperture radar (SAR) images and makes automatic information extraction very difficult. The Bayesian approach allows us to perform the despeckling of an image while preserving its texture and structures. This model-based approach relies on a prior model of the scene.…
Ionospheric Bubble Seeker: A Java Application to Detect and Characterize Ionospheric Plasma Depletion From GPS Data
A new postprocessing technique has been developed to detect and characterize equatorial plasma bubbles (EPBs) from slant total electron content values calculated from GPS observations. The technique identifies an EPB when a slant total electron content depletion is detected. This technique is based on the…
Ionospheric Electron Concentration Imaging Using Combination of LEO Satellite Data With Ground-Based GPS Observations Over China
Space-based global positioning system (GPS) data onboard low Earth orbit satellites are used together with ground-based GPS observations to simultaneously image ionospheric electron density (IED), and it aims to improve the spatial resolution of ionospheric tomography. High-precision dual-frequency GPS data from the Crustal Movement Observation…
