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# IEEE Transactions on Geoscience and Remote Sensing

## Filter Results

Displaying Results 1 - 25 of 36
• ### [Front cover]

Publication Year: 2006, Page(s): c1
| PDF (122 KB)
• ### IEEE Transactions on Geoscience and Remote Sensing publication information

Publication Year: 2006, Page(s): c2
| PDF (39 KB)

Publication Year: 2006, Page(s):2321 - 2322
| PDF (53 KB)
• ### SAR Sensor Trajectory Deviations: Fourier Domain Formulation and Extended Scene Simulation of Raw Signal

Publication Year: 2006, Page(s):2323 - 2334
Cited by:  Papers (49)
| | PDF (313 KB) | HTML

Synthetic aperture radar (SAR) raw signal simulation is a useful tool for SAR system design, mission planning, processing algorithm testing, and inversion algorithm design. A two-dimensional (2-D) Fourier domain SAR raw signal simulator, exploiting the efficiency of fast Fourier transform algorithms, has been presented some years ago and is able to generate the raw signal corresponding to extended... View full abstract»

• ### Integration of Radar Interferometry and Laser Scanning for Remote Monitoring of an Urban Site Built on a Sliding Slope

Publication Year: 2006, Page(s):2335 - 2342
Cited by:  Papers (20)
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The Alpine village of Lamosano, Belluno, Italy, located near a wide and active landslide, has been seriously threatened by ground instabilities since 1960. In this paper, the results obtained by two different remote-monitoring techniques, synthetic aperature radar interferometry and three-dimensional laser-scanner imaging, planned for Lamosano hazard assessment, are presented. Both techniques comp... View full abstract»

• ### Validating the SAR Wavenumber Shift Principle With the ERS&#8211;Envisat PS Coherent Combination

Publication Year: 2006, Page(s):2343 - 2351
Cited by:  Papers (21)
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Continuity of the European Remote Sensing Satellite Synthetic Aperture Radar (ERS SAR) archive by means of Envisat Advanced SAR (ASAR) data acquired from March 2002 has introduced the problem of the coherent combination of images coming from sensors with slightly different frequencies. The spectral shift principle states that in case of extended distributed targets, the frequency shift is equivale... View full abstract»

• ### TOPSAR: Terrain Observation by Progressive Scans

Publication Year: 2006, Page(s):2352 - 2360
Cited by:  Papers (146)  |  Patents (3)
| | PDF (871 KB) | HTML

In this paper, a novel (according to the authors' knowledge) type of scanning synthetic aperture radar (ScanSAR) that solves the problems of scalloping and azimuth-varying ambiguities is introduced. The technique employs a very simple counterrotation of the radar beam in the opposite direction to a SPOT: hence, the name terrain observation with progressive scan (TOPS). After a short summary of the... View full abstract»

• ### Two-Dimensional Variation Algorithm for Fractal Analysis of Sea SAR Images

Publication Year: 2006, Page(s):2361 - 2373
Cited by:  Papers (11)
| | PDF (514 KB) | HTML

This paper proposes a novel algorithm for estimating the fractal dimension of sea synthetic aperture radar (SAR) images. The algorithm is based on the variation method, and it is suitably designed for the analysis of sea SAR images. The SAR image fractal dimension is a feature that provides a measure of the image roughness. Such a feature can play an important role in the classification process fo... View full abstract»

• ### On the Extension of the Minimum Cost Flow Algorithm for Phase Unwrapping of Multitemporal Differential SAR Interferograms

Publication Year: 2006, Page(s):2374 - 2383
Cited by:  Papers (95)
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In this paper, an extension of the minimum cost flow (MCF) algorithm dealing with a sparse data grid, which allows the unwrapping of multitemporal differential synthetic aperture radar (SAR) interferograms for the generation of deformation time series, is presented. The proposed approach exploits both the spatial characteristics and the temporal relationships among multiple interferograms relevant... View full abstract»

• ### Late-Season Rural Land-Cover Estimation With Polarimetric-SAR Intensity Pixel Blocks and$sigma$-Tree-Structured Near-Neighbor Classifiers

Publication Year: 2006, Page(s):2384 - 2392
Cited by:  Papers (10)
| | PDF (1170 KB) | HTML

Synthetic aperture radar (SAR) image classification for late-season rural land-cover estimation is investigated. A novel tree-structured nearest neighbor-like classifier is applied to polarimetric SAR intensity image pixel blocks. The novel tree structure, called a sigma-tree, is generated by an ordered summation of unweighted template refinements. Computation and memory costs of a sigma-tree clas... View full abstract»

• ### Landmines Ground-Penetrating Radar Signal Enhancement by Digital Filtering

Publication Year: 2006, Page(s):2393 - 2406
Cited by:  Papers (37)
| | PDF (911 KB) | HTML

Until now, humanitarian demining has been unable to provide a solution to the landmine removal problem. Furthermore, new low-cost methods have to be developed quickly. While much progress has been made with the introduction of new sensor types, other problems have been raised by these sensors. Ground-penetrating radars (GPRs) are key sensors for landmine detection as they are capable of detecting ... View full abstract»

• ### Electrical Impedance Tomographic Imaging of Buried Landmines

Publication Year: 2006, Page(s):2407 - 2420
Cited by:  Papers (21)
| | PDF (1064 KB) | HTML

A prototype confirmation landmine detector, based on electrical impedancetomography (EIT), which can operate under realistic environmental conditions, has been developed. Laboratory and field experiments demonstrated that it is possible to reliably reconstruct, on the scale of the electrode spacing (ES) (in width and depth), conductivity perturbations due to a shallow buried antitank mine or a sim... View full abstract»

• ### Modeling and Migration of 2-D Georadar Data: A Stationary Phase Approach

Publication Year: 2006, Page(s):2421 - 2429
Cited by:  Papers (7)
| | PDF (209 KB) | HTML

This paper presents the basic kinematic and dynamic imaging and migration equations for zero-offset two-dimensional georadar profiling. The kinematic equations are derived from simple considerations of spatial impulse responses and a generating function. The dynamic equations follow from a multidimensional stationary phase approximation to the infinite spectral integrals. They show how the radar s... View full abstract»

• ### Doppler Spectra From a Two-Dimensional Ocean Surface at L-Band

Publication Year: 2006, Page(s):2430 - 2437
Cited by:  Papers (32)
| | PDF (298 KB) | HTML

An approximate time-harmonic three-dimensional electromagnetic boundary-integral method, the small-slope integral equation, is combined with a series expansion of the Creamer surface representation at second order with respect to the height, denoted by Creamer (2). The resulting model provides at low numerical cost simulations of the nonlinear ocean surface Doppler spectrum at L-band. As a result ... View full abstract»

• ### Analysis of Surface Roughness Heterogeneity and Scattering Behavior for Radar Measurements

Publication Year: 2006, Page(s):2438 - 2444
Cited by:  Papers (16)
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The use of a theoretical backscatter model to analyze medium to low spatial resolution microwave data is still very complicated, particularly because of the difficulty in defining a unique roughness parameter, capable of adequately representing heterogeneous terrain. In this paper, an approach is proposed for roughness analysis and the modeling of backscattering, under conditions of surface hetero... View full abstract»

• ### Efficient Numerical Simulation of Axisymmetric Electromagnetic Induction Measurements Using a High-Order Generalized Extended Born Approximation

Publication Year: 2006, Page(s):2445 - 2453
Cited by:  Papers (32)
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This paper develops a high-order generalized extended Born approximation (Ho-GEBA) for the numerical simulation of electromagnetic scattering due to rock formations that exhibit axial symmetry around a wellbore. The resulting equations of Ho-GEBA are solved with a numerical procedure that is as efficient as the extended Born approximation (EBA). With the acceleration of a fast Fourier transform, t... View full abstract»

• ### Modeling Broadband Electromagnetic Induction Responses of 2-D Multilayered Structures

Publication Year: 2006, Page(s):2454 - 2460
Cited by:  Papers (8)
| | PDF (276 KB) | HTML

Dual-coil frequency-domain electromagnetic induction (EMI) systems are commonly used as detectors of buried metallic objects, but they are also increasingly used for environmental purposes such as detection of contaminant plumes and archaeological prospection. Usually, data are analyzed directly by visualizing the in-phase and quadrature components, and also by applying one-dimensional inversion m... View full abstract»

• ### Melt Detection in Antarctic Ice Shelves Using Scatterometers and Microwave Radiometers

Publication Year: 2006, Page(s):2461 - 2469
Cited by:  Papers (12)
| | PDF (1093 KB) | HTML

Ku-band dual-polarization radar backscatter measurements from the SeaWinds-on-QuikSCAT scatterometer are used to determine periods of surface freeze and melt in the Antarctic ice shelves. The normalized horizontal-polarization radar backscatter (sigmao) and backscatter polarization ratio are used in maximum-likelihood estimation of the ice state. This method is used to infer the daily i... View full abstract»

• ### Correction for Rain Path Specific and Differential Attenuation of X-Band Dual-Polarization Observations

Publication Year: 2006, Page(s):2470 - 2480
Cited by:  Papers (29)  |  Patents (1)
| | PDF (1095 KB) | HTML

The accuracy of attenuation correction for X-band reflectivity (Z H) and differential reflectivity (ZDR) measurements in rainfall is analyzed using coincident X-band and S-band polarimetric radar observations collected during the International H2O Project in the period of May-June 2002 at northwestern Oklahoma. Two distinct attenuation correction techniques that us... View full abstract»

• ### Stereo Cloud Heights From Multispectral IR Imagery via Region-of-Interest Segmentation

Publication Year: 2006, Page(s):2481 - 2491
Cited by:  Papers (3)
| | PDF (944 KB) | HTML

Multispectral thermal imagery acquired from low Earth orbit was used to develop a method of cloud-height determination that applies image brightness temperature histograms and region-of-interest (ROI) image segmentation as a processing step prior to stereo-height retrieval. The National Aeronautics and Space Administration's Infrared Spectral Imaging Radiometer (ISIR) acquired all imagery during t... View full abstract»

• ### Global Simulation of Brightness Temperatures at 6.6 and 10.7 GHz Over Land Based on SMMR Data Set Analysis

Publication Year: 2006, Page(s):2492 - 2505
Cited by:  Papers (17)
| | PDF (1208 KB) | HTML

In the framework of the Soil Moisture and Ocean Salinity mission, a two-year (1987-1988) global simulation of brightness temperatures (TB) at L-band was performed using a simple model [L-band microwave emission of the biosphere, (L-MEB)] based on radiative transfer equations. However, the lack of alternative L-band spaceborne measurements corresponding to real-world data prevented from assessing t... View full abstract»

• ### An Analysis of Angle-Based With Ratio-Based Vegetation Indices

Publication Year: 2006, Page(s):2506 - 2513
Cited by:  Papers (6)
| | PDF (226 KB) | HTML

Remotely sensed, angle-based vegetation indices that measure vegetation amounts by the angle between an approximated soil line and a simulated vegetation isoline in the red-near-infrared reflectance space were developed and evaluated in this paper. Unsalan and Boyer previously proposed an angle-based vegetation index, thetas (denoted as thetas NDVI in this paper), based on the normalize... View full abstract»

• ### Bounds on the Variance in the Pattern Matching Criteria

Publication Year: 2006, Page(s):2514 - 2522
Cited by:  Papers (3)
| | PDF (232 KB) | HTML

The Backus-Gilbert (BG) method is used throughout the satellite community as a noise/pattern adjustment technique. To proceed with the study of the discrete BG (DBG) method, the fundamental properties of the noise/pattern tradeoff need to be studied. This paper investigates the pattern matching criteria the DBG method is based on and how noise minimization is incorporated into the solution. In par... View full abstract»

• ### Automatic Construction of Building Footprints From Airborne LIDAR Data

Publication Year: 2006, Page(s):2523 - 2533
Cited by:  Papers (107)
| | PDF (782 KB) | HTML

This paper presents a framework that applies a series of algorithms to automatically extract building footprints from airborne light detection and ranging (LIDAR) measurements. In the proposed framework, the ground and nonground LIDAR measurements are first separated using a progressive morphological filter. Then, building measurements are identified from nonground measurements using a region-grow... View full abstract»

• ### Methodological Proposal for Multispectral Stereo Matching

Publication Year: 2006, Page(s):2534 - 2538
Cited by:  Papers (4)
| | PDF (300 KB) | HTML

Remote sensors have begun to capture digital stereoscopic data. Although still monospectral (usually panchromatic), the capture of multispectral or hyperspectral stereoscopic data is just a matter of time. Digital photogrammetric workstations use area-based stereo-matching techniques based on the Pearson (product-moment) correlation coefficient. This is a technique that is not intended to take adv... View full abstract»

## Aims & Scope

 IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING (TGRS) is a monthly publication that focuses on the theory, concepts, and techniques of science and engineering as applied to sensing the land, oceans, atmosphere, and space; and the processing, interpretation, and dissemination of this information.

Full Aims & Scope

Editor-in-Chief
Antonio J. Plaza