Wetland mapping and monitoring using polarimetric and. Retrieval of the thickness of undeformed sea ice from. Compact polarimetry cp has advantages on power consumption, system complexity, downloading data volume and imaging swath width in comparison with the fully polarimetric synthetic aperture radar sar mode, although it does not fully provide the information of scattering targets. On the use of hybrid compact polarimetric sar for ship detection. This, in turn, helps to minimise the propagation of errors in any further data processing or information extraction. We compare wishart classifications both among the partial polarimetric datasets and against the full quadpol dataset. Quad polarimetric sar data has been used successfully for ship detection. Despite recent research on the potential of dual dp and full polarimetry fp synthetic aperture radar sar data for crop mapping, the capability of compact polarimetry cp sar data has not. Calibration and correction of compact polarimetric sar data. Synthetic aperture radar sar compact polarimetry for soil moisture retrieval. On the use of compact polarimetry sar for ship detection. The polarimetric sar data were calibr ated using a land lut and provided. Generation of digital terrain models using polarimetric sar. National key laboratory of microwave imaging technology, beijing 100190, china.
Potentials of a compact polarimetric sar system mylinh truongloi, oneracnesietr pascale duboisfernandez, onera eric pottier, ietr umr cnrs 6164 anthony freeman, jpl jeanclaude souyris, cnes 2. In doing so, it can provide greater polarimetric information than typical linear dualpolarized sar, without the swath width restrictions of fully polarimetric or quadpolarized sar. Published the thesis building damage assessment of compact polarimetric sar using statistical model texture parameter on 2017 sar in big data era. Analysis of compact polarimetric sar imaging modes t. Compact polarimetric analysis of xband sar data english stacy, n. Di erences between the coherence and interferometric phase measured with the gbsar system and airborne and spacebornesensorsare reported, causedbythedi erentgeometry of gbsar, whichresultsin. Segmentation of polarimetric sar images based on the sirv model and the kummeru pdf. Synthetic aperture radar compact polarimetry for sea. Introduction to polarimetric sar naiara pinto caltech jet propulsion laboratory national aeronautics and space administration applied remote sensing training program 2.
Probability density function pdf of the covariance matrix. Polarimetric synthetic aperture radar polsar calibration is an essential preprocessing step which must be performed to ensure that the data quality is adequate. Research article comparisons of circular transmit and. In this paper, a threecomponent decomposition algorithm is proposed for processing compact polarimetric sar images.
Preliminary results of polarimetric characteristics for c. This ongoing study evaluates the potential of a compact polarimetric sar mode concept for meeting earth observation requirements relevant to canadian thematic issues. Segmentation of polarimetric sar images based on the sirv. Comparing a polarimetric sar system, compact polarimetric sar has some advantages in pulse repeat frequency and width of surveying although it has some disadvantages. This thesis focuses on finding parallels to quad polarimetric features from the compact polarimetric data. Cotton crop biophysical parameter study using hybridcompact. Estimation of the degree of polarization in polarimetric sar. Our emphasis is the intercomparisons between the classification results based on dualpol modes, compact polarimetric modes and scattering model extensions of the compact polarimetric modes. Data obtained from quad polarimetric sar systems have already been studied extensively for sea ice monitoring. The fully polarimetric gb sar data with hh, hv, vh, and vv components were focused using the derampfft df algorithm.
Inversion of surface parameters using polarimetric sar. The small perturbation model and two semiempirical models are forming the basis. On the sensitivity analysis of the compactpolarimetry sar. Compact polarimetric analysis of x band sar data technische. Classification comparisons between dualpol, compact. Estimation of the degree of polarization in polarimetric sar imagery. Threecomponent decomposition for compact polarimetric interferometric sar. Although the potential of full and dualpolarimetric fp and dp synthetic aperture radar sar data for wetland classification has been well examined, the capability of compact polarimetric cp.
Pdf synthetic aperture radar sar compact polarimetry for. Iceberg detection using compact polarimetric synthetic. Doctoral phd thesis, memorial university of newfoundland. Mohammadimanesh, fariba 2019 wetland mapping and monitoring using polarimetric and interferometric synthetic aperture radar sar data and tools. Threecomponent decomposition based on stokes vector. In a hybridpolarity architecture clpol, sar transmits circular polarization and receives two orthogonal mutuallycoherent linear polarizations. Compact polarimetric methods provide the ability to recover aspects of the fully polarimetric information for certain scene types from dual polarimetric collections with a mixed basis mode. Generation of digital terrain models using polarimetric sar interferometry by mounira souissi ouarzeddine thesis submitted to the international institute for geoinformation science and earth observation in partial fulfillment of the requirements for the degree of master of science in geoinformatics. One major problem in cp sar is to extract target features. Informationstechnische gesellschaft im vde new search for. The focus of this thesis is to find an alternative way to reconstruct a pseudo quadrature polarimetric quadpol covariance matrix from compact polarimetric compact pol data. The focus of this thesis is to investigate the use of synthetic aperture radar sar compact polarimetry for studies of sea ice. In this special issue, two papers are on the applications of compact polarimetric sar.
Fully polarimetric versus dual and single polarization sar, ieee tgrs. National key laboratory of science and technology on microwave imaging, institute of electronics, chinese academy of sciences, beijing 100190, china. This thesis focuses on finding parallels to quadpolarimetric features from the compactpolarimetric data. On the use of polarimetry and interferometry for sar image. By using the correspondence between the covariance matrix and the stokes vector, threecomponent scattering models for ctlr and dcp modes are established. Calibration and correction of compact polarimetric sar data jun hong1,3,4, hong tan2,3,4, wen hong1,3,4 1. The most direct and accurate measurement technique is in situ drilling with an ice auger. In this dissertation on the inversion of surface parameters using polarimetric sar, the. Threecomponent decomposition for compact polarimetric. Oct 14, 2014 a comparison among three compact polarimetry cp synthetic aperture radar sar architectures is followed to analyze some polarimetric features sensitivity with respect to the ocean background variation, which is achieved as situational awareness about the environment influence on detection algorithms performance.
In a hybridpolarity architecture clpol, sar transmits circular. Chen lin 1,2, li yang 1,2, guo shenglong 1,2, hong wen 1. Data obtained from quadpolarimetric sar systems have already been studied extensively for sea ice monitoring. In this thesis, the use of compact polarimetry for iceberg detection is explored. Compact polarimetric analysis of xband sar data conference. This thesis focuses on the use of the indoor gbsar facility at she eld university for interferometric and polarimetric sar measurements. Threecomponent decomposition based on stokes vector for. Compact polarimetric sar is a special dual polarized sar system.
Thesis, parthenope university of naples, naples, italy, december 2008. Constraint leastsquares estimation for polarimetric. The radarsat2 quadpol data used in this study were acquired with the fine quad fq beam mode over the strait of gibraltar. The high demand and stringent availability of the fully polarimetric data from very few sar sensors has made researchers think about using low cost, low power dual polarimetric systems to reproduce the fully polarimetric data through compact polarimetric techniques. In the latest years, the compact polarimetry sar mode was developed and used more and more widely.
Compact polarimetric sar classification in urban area with. Full and compact polarimetric radar interferometry for vegetation. Potentials of a compact polarimetric sar system mylinh truongloi 1,2,3, pascale duboisfernandez 1, eric pottier 2 and anthony freeman 4 1. Synthetic aperture radar sar compact polarimetry for.
Compact polarimetric sar responses to canadian wetlands 3 preface 3 abstract 3 5. The focus of this thesis is to find an alternative way to reconstruct a pseudo quadrature polarimetric quadpol covariance matrix from compact polarimetric compactpol data. Pdf synthetic aperture radar sar compact polarimetry cp systems are of great interest for large area monitoring because of their ability to. Pdf synthetic aperture radar sar compact polarimetry. However, narrow swath of quad polarimetric sar promotes the urgent need to explore ship detectors for dual polarimetric systems. Unfortunately, the sea ice thickness distribution is also one of the most dif. Comparisons of circular transmit and linear receive compact polarimetric sar features for oil slicks discrimination. This ongoing study evaluates the potential of a compact polarimetric sar mode. Polarimetric sar, scattering decomposition, manmade. Models, methods and applications bigsardata, ieee conferences as the 1st author mathematical contest in modeling interdisciplinary contest in modeling mcmicm august 2017 may 2018.
The advantage of compact polarimetry is a lower collection data rate achieved by avoiding the fully polarimetric requirement of operating the radar at twice. The compact polarimetric cp synthetic aperture radar sar measures the combinations of fully polarimetric fp scattering coefficients, which is dependent on the transmitwave polarization state. Compact polarimetric cp synthetic aperture radar sar has been widely investigated over recent years. Synthetic aperture radar has been widely used in marine applications for its allday, allnight, and weatherindependent capabil. Compact polarimetric cp sar has high potential of providing more information than linear dual polarimetric sar. A thesis submitted to the school of graduate studies in partial fulfilment of the requirements for the degree of. Compact polarimetry overview and applications assessment. Compact polarimetric sar classification in urban area with multifeature using extreme learning machine 1 key laboratory of digital earth science, institute of remote sensing and digital earth 2 university of chinese academy of sciences, beijing, 49, china email. The development of radar polarimetry and radar interferometry is. Pdf an assessment of simulated compact polarimetric sar data. Calibration and correction of compact polarimetric sar. Preliminary result of polarization property analysis using fully polarimetric gb sar images moonkyung kang1, kwangeun kim1, hoonyol lee2, seongjun cho1, and jaehee lee1.
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