{"id":"https://openalex.org/W4312569202","doi":"https://doi.org/10.1109/tgrs.2022.3224280","title":"Soil Permittivity Estimation Over Croplands Using Full and Compact Polarimetric SAR Data","display_name":"Soil Permittivity Estimation Over Croplands Using Full and Compact Polarimetric SAR Data","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4312569202","doi":"https://doi.org/10.1109/tgrs.2022.3224280"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2022.3224280","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2022.3224280","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/2117/377048","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5061125696","display_name":"Narayanarao Bhogapurapu","orcid":"https://orcid.org/0000-0002-6496-7283"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Narayanarao Bhogapurapu","raw_affiliation_strings":["Microwave Remote Sensing Laboratory, Center of Studies in Resources Engineering, IIT Bombay, Mumbai, India","Microwave Remote Sensing Lab, Center of Studies in Resources Engineering, Indian Institute of Technology Bombay, India"],"raw_orcid":"https://orcid.org/0000-0002-6496-7283","affiliations":[{"raw_affiliation_string":"Microwave Remote Sensing Laboratory, Center of Studies in Resources Engineering, IIT Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]},{"raw_affiliation_string":"Microwave Remote Sensing Lab, Center of Studies in Resources Engineering, Indian Institute of Technology Bombay, India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026103583","display_name":"Subhadip Dey","orcid":"https://orcid.org/0000-0002-4979-0192"},"institutions":[{"id":"https://openalex.org/I145894827","display_name":"Indian Institute of Technology Kharagpur","ror":"https://ror.org/03w5sq511","country_code":"IN","type":"education","lineage":["https://openalex.org/I145894827"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Subhadip Dey","raw_affiliation_strings":["Department of Agricultural and Food Engineering, IIT Kharagpur, Kharagpur, India","Department of Agricultural and Food Engineering, Indian Institute of Technology Kharagpur, India"],"raw_orcid":"https://orcid.org/0000-0002-4979-0192","affiliations":[{"raw_affiliation_string":"Department of Agricultural and Food Engineering, IIT Kharagpur, Kharagpur, India","institution_ids":["https://openalex.org/I145894827"]},{"raw_affiliation_string":"Department of Agricultural and Food Engineering, Indian Institute of Technology Kharagpur, India","institution_ids":["https://openalex.org/I145894827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057547054","display_name":"Avik Bhattacharya","orcid":"https://orcid.org/0000-0001-6720-6108"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Avik Bhattacharya","raw_affiliation_strings":["Microwave Remote Sensing Laboratory, Center of Studies in Resources Engineering, IIT Bombay, Mumbai, India","Microwave Remote Sensing Lab, Center of Studies in Resources Engineering, Indian Institute of Technology Bombay, India"],"raw_orcid":"https://orcid.org/0000-0001-6720-6108","affiliations":[{"raw_affiliation_string":"Microwave Remote Sensing Laboratory, Center of Studies in Resources Engineering, IIT Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]},{"raw_affiliation_string":"Microwave Remote Sensing Lab, Center of Studies in Resources Engineering, Indian Institute of Technology Bombay, India","institution_ids":["https://openalex.org/I162827531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103228763","display_name":"Carlos L\u00f3pez-Mart\u00ednez","orcid":"https://orcid.org/0000-0002-1366-9446"},"institutions":[{"id":"https://openalex.org/I9617848","display_name":"Universitat Polit\u00e8cnica de Catalunya","ror":"https://ror.org/03mb6wj31","country_code":"ES","type":"education","lineage":["https://openalex.org/I9617848"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Carlos Lopez-Martinez","raw_affiliation_strings":["Department of Signal Theory and Communication, Universitat Polit&#x00E8;cnica de Catalunya, Barcelona, Spain"],"raw_orcid":"https://orcid.org/0000-0002-1366-9446","affiliations":[{"raw_affiliation_string":"Department of Signal Theory and Communication, Universitat Polit&#x00E8;cnica de Catalunya, Barcelona, Spain","institution_ids":["https://openalex.org/I9617848"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053177233","display_name":"Irena Hajnsek","orcid":"https://orcid.org/0000-0002-0926-3283"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Irena Hajnsek","raw_affiliation_strings":["Chair of Earth Observation and Remote Sensing, Institute of Environmental Engineering, ETH Z&#x00FC;rich, Z&#x00FC;rich, Switzerland"],"raw_orcid":"https://orcid.org/0000-0002-0926-3283","affiliations":[{"raw_affiliation_string":"Chair of Earth Observation and Remote Sensing, Institute of Environmental Engineering, ETH Z&#x00FC;rich, Z&#x00FC;rich, Switzerland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086162332","display_name":"Y. S. Rao","orcid":"https://orcid.org/0000-0002-6351-2391"},"institutions":[{"id":"https://openalex.org/I162827531","display_name":"Indian Institute of Technology Bombay","ror":"https://ror.org/02qyf5152","country_code":"IN","type":"education","lineage":["https://openalex.org/I162827531"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Y. S. Rao","raw_affiliation_strings":["Microwave Remote Sensing Laboratory, Center of Studies in Resources Engineering, IIT Bombay, Mumbai, India","Microwave Remote Sensing Lab, Center of Studies in Resources Engineering, Indian Institute of Technology Bombay, India"],"raw_orcid":"https://orcid.org/0000-0002-6351-2391","affiliations":[{"raw_affiliation_string":"Microwave Remote Sensing Laboratory, Center of Studies in Resources Engineering, IIT Bombay, Mumbai, India","institution_ids":["https://openalex.org/I162827531"]},{"raw_affiliation_string":"Microwave Remote Sensing Lab, Center of Studies in Resources Engineering, Indian Institute of Technology Bombay, India","institution_ids":["https://openalex.org/I162827531"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.9684,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.69712252,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"60","issue":null,"first_page":"1","last_page":"17"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":0.9959999918937683,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/polarimetry","display_name":"Polarimetry","score":0.6951905488967896},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6124162673950195},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.5844173431396484},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.584086537361145},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.44535237550735474},{"id":"https://openalex.org/keywords/permittivity","display_name":"Permittivity","score":0.43323713541030884},{"id":"https://openalex.org/keywords/surface-roughness","display_name":"Surface roughness","score":0.41280290484428406},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34739571809768677},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.32462650537490845},{"id":"https://openalex.org/keywords/dielectric","display_name":"Dielectric","score":0.26525866985321045},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.22883769869804382},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.22354471683502197},{"id":"https://openalex.org/keywords/optoelectronics","display_name":"Optoelectronics","score":0.08863565325737}],"concepts":[{"id":"https://openalex.org/C28493345","wikidata":"https://www.wikidata.org/wiki/Q899381","display_name":"Polarimetry","level":3,"score":0.6951905488967896},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6124162673950195},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.5844173431396484},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.584086537361145},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44535237550735474},{"id":"https://openalex.org/C168651791","wikidata":"https://www.wikidata.org/wiki/Q211569","display_name":"Permittivity","level":3,"score":0.43323713541030884},{"id":"https://openalex.org/C107365816","wikidata":"https://www.wikidata.org/wiki/Q114817","display_name":"Surface roughness","level":2,"score":0.41280290484428406},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34739571809768677},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.32462650537490845},{"id":"https://openalex.org/C133386390","wikidata":"https://www.wikidata.org/wiki/Q184996","display_name":"Dielectric","level":2,"score":0.26525866985321045},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.22883769869804382},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.22354471683502197},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.08863565325737},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tgrs.2022.3224280","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2022.3224280","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:elib.dlr.de:193875","is_oa":false,"landing_page_url":"https://doi.org/10.1109/TGRS.2022.3224280>.","pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Zeitschriftenbeitrag"},{"id":"pmh:oai:upcommons.upc.edu:2117/377048","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/377048","pdf_url":null,"source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":{"id":"pmh:oai:upcommons.upc.edu:2117/377048","is_oa":true,"landing_page_url":"http://hdl.handle.net/2117/377048","pdf_url":null,"source":{"id":"https://openalex.org/S4377196262","display_name":"UPCommons institutional repository (Universitat Polit\u00e8cnica de Catalunya)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I9617848","host_organization_name":"Universitat Polit\u00e8cnica de Catalunya","host_organization_lineage":["https://openalex.org/I9617848"],"host_organization_lineage_names":[],"type":"repository"},"license":"public-domain","license_id":"https://openalex.org/licenses/public-domain","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","score":0.75,"display_name":"Life in Land"}],"awards":[{"id":"https://openalex.org/G4464329976","display_name":null,"funder_award_id":"SMAPVEX12-UAVSAR","funder_id":"https://openalex.org/F4320332375","funder_display_name":"Jet Propulsion Laboratory"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320322724","display_name":"Ministry of Education, India","ror":"https://ror.org/048xjjh50"},{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1967791380","https://openalex.org/W1974024703","https://openalex.org/W1992487283","https://openalex.org/W1999695055","https://openalex.org/W2003962096","https://openalex.org/W2007108281","https://openalex.org/W2007215124","https://openalex.org/W2014341305","https://openalex.org/W2032639587","https://openalex.org/W2035235584","https://openalex.org/W2054565622","https://openalex.org/W2061339552","https://openalex.org/W2090664287","https://openalex.org/W2096893798","https://openalex.org/W2097272115","https://openalex.org/W2114569030","https://openalex.org/W2122229679","https://openalex.org/W2126895410","https://openalex.org/W2127274371","https://openalex.org/W2131035246","https://openalex.org/W2133206370","https://openalex.org/W2138149909","https://openalex.org/W2144447636","https://openalex.org/W2155438669","https://openalex.org/W2294992158","https://openalex.org/W2737223853","https://openalex.org/W2943610953","https://openalex.org/W2975910156","https://openalex.org/W2982031239","https://openalex.org/W3012975023","https://openalex.org/W3017270834","https://openalex.org/W3046875372","https://openalex.org/W3048844510","https://openalex.org/W3112749730","https://openalex.org/W3150871672","https://openalex.org/W3153168759","https://openalex.org/W3157184041","https://openalex.org/W3160578723","https://openalex.org/W4210802242","https://openalex.org/W4221100312","https://openalex.org/W4312834350","https://openalex.org/W6776801865"],"related_works":["https://openalex.org/W2026860918","https://openalex.org/W2035593284","https://openalex.org/W2612145225","https://openalex.org/W2225281849","https://openalex.org/W2059660610","https://openalex.org/W2161058488","https://openalex.org/W2324949438","https://openalex.org/W173514170","https://openalex.org/W2389173272","https://openalex.org/W2469797871"],"abstract_inverted_index":{"Soil":[0],"permittivity":[1,60,97,206],"estimation":[2],"using":[3,66,150,179],"Polarimetric":[4],"Synthetic":[5],"Aperture":[6],"Radar":[7],"(PolSAR)":[8],"data":[9,188,193,223],"has":[10],"been":[11],"an":[12,208],"extensively":[13],"researched":[14],"area.":[15],"Nonetheless,":[16],"it":[17],"provides":[18],"ample":[19],"scope":[20],"for":[21,111,122,214,220],"further":[22],"improvements.":[23],"The":[24,73,104,202],"vegetation":[25,64],"cover":[26,65],"over":[27,61,199],"the":[28,37,42,47,67,77,95,99,107,112,123,127,134,143,158,162,166,172,180,190,196],"soil":[29,49,59,96,113],"surface":[30,140],"leads":[31],"to":[32,57,212,218],"a":[33,54,92,226],"complex":[34],"interaction":[35],"of":[36,94,102,126,139,165,176,210],"incident":[38],"polarized":[39],"wave":[40,129],"with":[41,46,63,207,225],"canopy":[43],"and":[44,69,79,98,183,189,216],"subsequently":[45],"underlying":[48],"surface.":[50,114],"This":[51,169],"paper":[52],"introduces":[53],"novel":[55],"methodology":[56],"estimate":[58],"croplands":[62],"full":[68,78],"compact":[70,80,185],"polarimetric":[71,81],"modes.":[72],"proposed":[74,159,203],"method":[75,105,204],"utilizes":[76],"scattering-type":[82,118,155],"parameters,":[83],"\u03b8FPand":[84,151],"\u03b8CP,":[85,152],"respectively.":[86],"These":[87],"scattering":[88,109],"type":[89],"parameters":[90,119],"are":[91],"function":[93],"Barakat":[100],"degree":[101],"polarization.":[103],"considers":[106],"X-Bragg":[108,144],"model":[110,145],"In":[115],"particular,":[116],"these":[117],"explicitly":[120],"account":[121],"depolarizing":[124],"structure":[125],"scattered":[128],"while":[130,149],"characterizing":[131],"targets.":[132],"Thus,":[133],"depolarization":[135],"information":[136],"in":[137,142],"terms":[138],"roughness":[141],"gets":[146],"inherent":[147],"importance":[148],"unlike":[153],"existing":[154],"parameters.":[156],"Therefore,":[157],"technique":[160],"enhances":[161],"expected":[163],"value":[164],"inversion":[167],"accuracies.":[168],"study":[170],"validated":[171],"major":[173],"phenology":[174],"stages":[175],"four":[177],"crops":[178],"UAVSAR":[181],"full-pol":[182],"simulated":[184],"pol":[186],"SAR":[187,222],"ground":[191],"truth":[192],"collected":[194],"during":[195],"SMAPVEX12":[197],"campaign":[198],"Manitoba,":[200],"Canada.":[201],"estimated":[205],"RMSE":[209],"2.2":[211],"4.69":[213],"FP":[215],"3.28":[217],"5.45":[219],"CP":[221],"along":[224],"Pearson":[227],"coefficient,r\u2265":[228],"0.62.":[229]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":2}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}
