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Airborne SAR Radiometric Calibration Based on Improved Sliding Window Integral Method
2022
Sensors
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To solve this problem, this paper introduces image context information and proposes a method to precisely determine the integration region of the corner reflector using sliding windows based on the integral ...
which means that the high-resolution SAR system can achieve a higher radiometric calibration accuracy. ...
Cross-Validation Analysis To verify the radiometric calibration results of high-resolution airborne SAR data based on the integral method improved by the sliding window on a large scale, the optimized ...
doi:10.3390/s22010320
pmid:35009862
pmcid:PMC8749718
fatcat:zvlnxgcgbzexneztupscb3jeti
On-Orbit Radiometric Calibration for a Space-Borne Multi-Camera Mosaic Imaging Sensor
2017
Remote Sensing
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As for the space-borne multi-camera mosaic imaging sensor, however, the currently available on-orbit radiometric calibration method cannot carry out the integrated processing of on-orbit absolute radiometric ...
The innovative radiometric calibration method is proposed to realize the integrated processing of on-orbit absolute radiometric calibration and relative radiometric correction between cameras, which will ...
The flowchart of the on-orbit radiometric calibration model based on the radiometric block adjustment (RBA) method. RCP, radiometric control point; RTP, radiometric tie point. ...
doi:10.3390/rs9121248
fatcat:q2mgmiknarfj3i5ztumf7ju2fq
A Computationally Efficient Hybrid Framework for Polarimetric Calibration of Quad‐Pol SAR Data
2021
Earth and Space Science
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In this regard, the calibration of SAR data is a mandatory pre-processing step to ensure data quality. ...
The polarization for a plane electromagnetic (EM) wave is done to forcefully orient the electric field vector toward one pole based on the propagation axis, thereby creating an ellipse in each and every ...
Recommendation Based on the results and the discussion, it is evident that this research is based on a single airborne quadpol SAR data set. ...
doi:10.1029/2020ea001447
fatcat:s4vzx5ugzrfnjgegwsizecol3y
HIGH RESOLUTION AIRBORNE SAR IMAGE CHANGE DETECTION IN URBAN AREAS WITH SLIGHTLY DIFFERENT ACQUISITION GEOMETRIES
2015
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
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We propose a change detector based on a MCA (Morphological Components Analysis) of a difference image (DI). ...
Before applying change detection, high resolution SAR (Synthetic Aperture Radar) imagery benefits from advanced denoising mechanisms to preserve details and minimize speckle. ...
To overcome some of the limitations of current coherent and incoherent SAR-based change detectors, particularly as applied to high resolution airborne SAR imagery, we propose advanced MCA-based denoising ...
doi:10.5194/isprsarchives-xl-3-w2-127-2015
fatcat:ndinkxwvdbepvcy2og7nozfcey
Fully polarimetric high-resolution airborne SAR image change detection with morphological component analysis
2015
Image and Signal Processing for Remote Sensing XXI
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Fully polarimetric highresolution airborne SAR image change detection with morphological component analysis. ...
In this work, we propose a change detector based on a Morphological Component Analysis (MCA) of the scattering mechanisms provided with fully polarimetric data sets. ...
If an incoherent decomposition is desired, the size of the sliding window must be set to one pixel. Otherwise, the resolution degradation is proportional to the sliding window size in use. ...
doi:10.1117/12.2194780
fatcat:j6qplg5h4vbzxaml2jdrehixy4
THE THREE-TRANSPONDER METHOD: A NOVEL METHOD FOR ACCURATE TRANSPONDER RCS CALIBRATION
2014
Progress in Electromagnetics Research B
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The method is similar in approach to the well known three-antenna method, but is based on the radar equation instead of Friis transmission formula. ...
Transponders (also known as polarimetric active radar calibrators or PARCs) are commonly used for radiometric calibration of synthetic aperture radars (SARs). ...
INTRODUCTION Transponders, or polarimetric active radar calibrators (PARCs), are devices which are used as point targets for the radiometric calibration of space-or airborne synthetic aperture radar (SAR ...
doi:10.2528/pierb14110406
fatcat:q37mdhkkxjg63ie64epljyp26u
On the Processing of Very High Resolution Spaceborne SAR Data
2014
IEEE Transactions on Geoscience and Remote Sensing
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This paper addresses several important aspects that need to be considered for the processing of spaceborne SAR data with resolutions in the decimeter range. ...
The non-hyperbolic phase history, which becomes more significant at larger integration times, has been also addressed, and a simple solution based on the motion compensation of airborne SAR systems has ...
Section II-B suggests an innovative correction of the orbit curvature based on state-ofthe-art airborne SAR motion compensation techniques [17] - [19] . ...
doi:10.1109/tgrs.2013.2294353
fatcat:rlilm4p22zepvjxcqu5mhbkanu
Front Matter: Volume 11763
2021
Seventh Symposium on Novel Photoelectronic Detection Technology and Applications
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in an ultrahigh vacuum system 11763 4R Adaptive method of ship tracking window based on improved mean-shift algorithm 11763 4S Test and analysis of axial compression stability of composite thin-walled ...
imaging 11763 0C Analysis and correction of the image motion for the rolling shutter CMOS detector 11763 0D Radiometric calibration method of MWIR spectrometer coded by Hadamard transform 11763 0E ...
method based on deep learning 11763 7V A photonic beamformer based on integrated optical delay line 11763 7W Classical-quantum signals simultaneous transmission sharing a same fiber based on mode division ...
doi:10.1117/12.2592610
fatcat:zkgo4tuwiffmrle2gymou4iulq
Digital Image Correlation (DIC) Analysis of the 3 December 2013 Montescaglioso Landslide (Basilicata, Southern Italy): Results from a Multi-Dataset Investigation
2018
ISPRS International Journal of Geo-Information
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Furthermore, comprehensive sensitivity analyses and statistics-based processing approaches are used to identify the role of the background noise that affects the whole dataset. ...
In recent years, these techniques have been successfully integrated and shown to be complementary and competitive with more standard remote sensing techniques, such as satellite or terrestrial Synthetic ...
Acknowledgments: The authors would like to thank the Italian Space Agency (ASI) for providing the COSMO-SkyMed SAR images, and local authorities for the DTMs and aerial optical orthophotos used in this ...
doi:10.3390/ijgi7090372
fatcat:kf3pbke5fzhqrhlflekbv4gidq
Synthetic Aperture Radar Image Formation and Processing on an MPSoC
2022
IEEE Transactions on Geoscience and Remote Sensing
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In this study, synthetic aperture radar (SAR) image formation as well as ship detection and extreme weather detection were implemented in a multiprocessor system on a chip (MPSoC). ...
Steps with lower complexity run on the processing system (PS), allowing for higher flexibility and reducing the need for resources in the PL. ...
More information on the project is available at eo-alert-h2020.eu. TerraSAR-X data were provided by DLR under Announcement of Opportunity (AO) proposal OCE3625. ...
doi:10.1109/tgrs.2022.3167724
fatcat:7arijeszxva5tgpekjl6pcrw2i
The GF-3 SAR Data Processor
2018
Sensors
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The Gaofen-3 (GF-3) data processor was developed as a workstation-based GF-3 synthetic aperture radar (SAR) data processing system. ...
authors wish to acknowledge the GF3DP development team itself, the support from the China Center for Resources Satellite Data and Application and the whole Gaofen-3 mission, and the existing heritage of SAR ...
"DCS", "ECS" and etc.), the projecting method, the channel calibration flag, the weighting parameters, the radiometric calibration constant, the Doppler parameters and etc. ...
doi:10.3390/s18030835
pmid:29534464
pmcid:PMC5876876
fatcat:k5ruuquedvhl7oolebqhmzvliq
Soil Moisture Retrieval by Integrating TASI-600 Airborne Thermal Data, WorldView 2 Satellite Data and Field Measurements: Petacciato Case Study
2019
Sensors
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In this study, a calibration procedure was applied to estimate SM based on the integration of in situ and airborne thermal remote sensing data. ...
To this aim, on April 2018, two airborne campaigns were carried out with the TASI-600 multispectral thermal sensor on the Petacciato (Molise, Italy) area. ...
The proposed approach is based on the integration of in situ and remote sensing data and uses consolidated literature TI models. ...
doi:10.3390/s19071515
fatcat:bkjkf7qovbdybdvz7wlrrow2fy
2020 Index IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing Vol. 13
2020
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
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., +, JSTARS 2020 2096-2111 DeepWindow: Sliding Window Based on Deep Learning for Road Extraction From Remote Sensing Images. ...
., +, JSTARS 2020 4271-4281 DeepWindow: Sliding Window Based on Deep Learning for Road Extraction From Remote Sensing Images. ...
A New Deep-Learning-Based Approach for Earthquake-Triggered Landslide Detection From Single-Temporal RapidEye Satellite Imagery. Yi, Y., +, JSTARS 2020 ...
doi:10.1109/jstars.2021.3050695
fatcat:ycd5qt66xrgqfewcr6ygsqcl2y
Radar mapping of Isunnguata Sermia, Greenland
2013
Journal of Glaciology
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As might be expected for this land-terminating, relatively slow-moving glacier, the subglacial and proglacial topography is similar, suggesting the erosional processes acting on the modern glacier bed ...
Using derived surface and basal topography maps, we find that driving stress and measured and modeled surface velocity comparisons indicate that basal sliding is an important component of the glacier motion ...
Data calibration includes interchannel radiometric calibration, antenna geometric calibration and interchannel phase calibration. ...
doi:10.3189/2013jog12j248
fatcat:hntkqk6o6bhqdk5b2rgxuv72b4
Exploiting High Geopositioning Accuracy of SAR Data to Obtain Accurate Geometric Orientation of Optical Satellite Images
2021
Remote Sensing
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Secondly, we put forward a general optical satellite imagery orientation framework based on multiple SAR reference images, which uses the matches of the SAR and optical satellite images as virtual control ...
improved, from more than 200 to around 8 m. ...
In general, on-orbit geometric calibration [25] and external control correction [26] are two typical methods to improve the geo-localization accuracy. ...
doi:10.3390/rs13173535
fatcat:wtyhn6bwkrf2rinozufaqsul4m
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