Results 21 to 30 of about 104,786 (306)
Fractal parameters and SAR images [PDF]
2008 IEEE Radar Conference, 2008 The fractal geometry proved to be the most appropriate mathematical instrument in describing natural scenes, by means of few effective and reliable geophysical parameters. In this paper we describe a complete processing chain for the retrieving of SAR image fractal parameters and for change detection purposes.
DI MARTINO, GERARDO +3 more
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Two-dimensional deceptive jamming mitigation algorithm for SAR imaging using frequency diverse array
The Journal of Engineering, 2019 The synthetic aperture radar (SAR) may be threatened greatly by the deceptive jamming within its main-lobe. To tackle this problem, a two-dimensional self-adaptive frequency diverse array (FDA)-based SAR processing scheme is proposed in this study ...
Chenchen Lin +3 more
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 Azimuth multichannel synthetic aperture radar (SAR) is a useful approach to solving minimum antenna area constraint and realizing high resolution and wide swath (HRWS) imaging by multichannel signal reconstruction.
Jixiang Xiang +5 more
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Transformer-Based SAR Image Despeckling
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium, 2022 Synthetic Aperture Radar (SAR) images are usually degraded by a multiplicative noise known as speckle which makes processing and interpretation of SAR images difficult. In this paper, we introduce a transformer-based network for SAR image despeckling. The proposed despeckling network comprises of a transformer-based encoder which allows the network to ...
Perera, Malsha V. +3 more
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PSF Analysis and Ground Test Results of a Novel Circular Array 3-D SAR System
Leida xuebao, 2018 Array Synthetic Aperture Radar (ASAR) system radar imaging field has gained attention because of its three-dimensional (3-D) imaging ability. A novel Circular Array SAR (CASAR) system is employed for 3-D high-resolution radar imaging to overcome the ...
Ming Jing +3 more
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Radargrammetric SAR Image Processing
, 2009 This chapter has dealt with the relevance of using stereoscopic radar images in order to retrieve the relief of terrain. Firstly, the basic characteristics of the radar image (SAR image) were described and the parameters which were different from those of an optical image werepointed out especially the image resolution and set up in the slant plane ...
Méric, Stéphane +2 more
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SAR Image Segmentation with GMMs [PDF]
International Conference on Radar Systems (Radar 2017), 2017 This paper proposes a new approach for Synthetic Aperture Radar (SAR) image segmentation. Segmenting SAR images can be challenging because of the blurry edges and the high speckle. The segmentation proposed is based on a machine learning technique.
Belloni, C. +3 more
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SAR-SIFT for Matching Multiple SAR Images and Radargrammetry [PDF]
PFG – Journal of Photogrammetry, Remote Sensing and Geoinformation Science, 2017 This article presents a new application of the SAR-SIFT algorithm proposed by Dellinger et al. (IEEE Trans Geosci Remote Sens 53:453–466, 2015) for the automatic generation of tie points (TPs). In particular, SAR-SIFT is applied on stereo-SAR images to extract corresponding points and determine their 3D position.
Clémence Dubois +4 more
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023 This article proposes an along-track swarm synthetic aperture radar (ATS-SAR) system to accomplish the high frame rate and enhance imaging resolution simultaneously.
Nan Jiang +4 more
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Region-enhanced passive radar imaging [PDF]
, 2005 The authors adapt and apply a recently-developed region-enhanced synthetic aperture radar (SAR) image reconstruction technique to the problem of passive radar imaging.
Cetin, Mujdat +2 more
core +1 more source