radar imagery
A PROGRESSIVE STUDY FOR THE AUTOMATIC ANALYSIS OF INTERNAL LAYERS FROM POLAR RADAR IMAGERY
... Projections of global sea level critically depend on reliable mass balance estimates of the polar ice sheets. Recent satellite observations show rapid thinning of ice sheet margins, speed- up of several outlet glaciers ...
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AUTOMATIC ICE THICKNESS ESTIMATION IN RADAR IMAGERY BASED ON CHARGED PARTICLES CONCEPT
... Radar imagery suffers from low signal to interference and noise ratios (SINR) due to a) signal attenuation while traveling through ice, b) radar clutter energy, and c) thermal noise and occasional ...
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Fast Algorithm for Modeling of Rain Events in Weather Radar Imagery
... The proposed modifications primarily deal with two aspects of the RBFNN-based modeling. Firstly, some points on the radar imagery are pre-selected using a simple algorithm, rather than a cold start ...
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ESTIMATING BEDROCK AND SURFACE LAYER BOUNDARIES AND CONFIDENCE INTERVALS IN ICE SHEET RADAR IMAGERY USING MCMC
... Climate models that predict polar ice sheet behavior require accurate measurements of the bedrock-ice and ice-air bound- aries in ground-penetrating radar imagery. Identifying these features is typically ...
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Automatic Bedrock and Ice Layer Boundaries Estimation in Radar Imagery Based on Level Set Approach
... This paper proposes a novel level set approach to automatically identify ice layer and bedrock in a large dataset of radar imagery. In this approach the image will be segmented by an initial curve into two ...
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Automatic Ice Surface and Bottom Boundaries Estimation in Radar Imagery Based on Level Set Approach
... airborne radar imagery collected during IceBridge mission over Antarctica and Greenland and show promising results with respect to manually picked ...
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Wavefront Reconstruction of Elevation Circular Synthetic Aperture Radar Imagery Using a Cylindrical Green's Function
... Aperture Radar (E-CSAR) is a novel radar modality used to form radar images from data sets acquired along a complete or even a segment of a cylindrical geometry above a given scan ...
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Evaluation of a 2-D transformation model for georeferencing of Synthetic Aperture RADAR imagery
... The Synthetic Aperture Radar (SAR) geometry imaging includes geometric distortions, which cause errors. To compensate the geometric distortions, the information about sensor position, imaging geometry, and target ...
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Intensity of convective motions in marine atmospheric boundary layer retrieved from ocean surface radar imagery
... in radar images recorded over a number of years of experiments in the Northwest Pacific, near the Kamchatka ...VV radar images are distinctly visible every time when the sea surface is warmer than the near ...
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Geocoding and stereoscopy of synthetic aperture radar imagery.
... Figures 7.17, 7.18 and 7.19 show the component and RMS errors for Image 1 for a per- centage increase in Doppler values from 0 to 15%.. There were problems in constructing these plots [r] ...
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A Supervised Classification Method for Levee Slide Detection Using Complex Synthetic Aperture Radar Imagery
... the radar image acquisition time on January 25, ...Agriculture Imagery Program) imagery collected in 2009 and 2010, and was not repaired until after the image acquisition as shown in Table ...the ...
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Estimating Bedrock and Surface Boundaries with Confidence Intervals in Ice Sheet Radar Imagery Using MCMC
... Probabilistic Formulation • The problem of layer detection is posed as a probabilistic graphical model based on the following assumptions: 1... Image characteristics determined by local [r] ...
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3 D coseismic displacement field of the 2005 Kashmir earthquake inferred from satellite radar imagery
... The 8 October 2005 Kashmir earthquake occurred on the Muzaffarabad fault where the Indian plate subducts under the Eurasian plate and is moving northward at a rate of about 40 mm/a. The collision between these two ...
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AUTOMATIC ESTIMATION OF ICE BOTTOM SURFACES FROM RADAR IMAGERY
... Scientists increasingly use visual observations of the world in their work: astronomers collect telescope images at unprece- dented scale [1], biologists image live cells [2, 3], sociologists record social interactions ...
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Applications of fourier-based features for classification of synthetic aperture radar imagery
... Figure 2-5 1-D Example Figure 2-6 Texture Extraction using Stromberg's Method Figure 2-7 Texture Extraction using Eas ton's Method Figure 3- 1 of Stromberg's Method Image 4 Equalized Fig[r] ...
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Characterization of spatial texture for use in segmentation of synthetic aperture radar imagery
... Group fl Feature* Feature Name First-Order St.itistics Features 14 29 Gradient 15 30 Mean Brightness 31 Variance 32 Brightness Run Length Statistics Features 16 33 Short run emphasis ave[r] ...
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A PROGRESSIVE STUDY FOR THE AUTOMATIC ANALYSIS OF INTERNAL LAYERS FROM POLAR RADAR IMAGERY
... Overview • Introduction: Motivation and Background • Related Literature • Semi-Automated Approach using active contours for near surface layers • Automated Approach improved probabilisti[r] ...
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The assessment of a towed laser slopemeter for measuring short scale sea surface wave slopes
... Review of Previous Surface Measuring Instrumentation and the Towed Laser Slopemeter 3.1 Introduction We have already noted that the variety of ocean processes identified in radar imagery[r] ...
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A Semi Automatic Approach for Estimating Bedrock and Surface Layers from Multichannel Coherent Radar Depth Sounder Imagery
... coherent radar depth sounder 2 in order to map the thickness and underlying bed topography beneath the ice ...in radar imagery typically requires time- consuming, dense hand ...
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Longer version
... • Application: Large models (e.g., neural networks with more neurons and connections) combined with large datasets are increasingly the top performers in benchmark tasks for vision, speech, and Natural Language ...
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