{"id":"https://openalex.org/W4312974038","doi":"https://doi.org/10.1109/igarss46834.2022.9883828","title":"Inter-polarization Mapping via Gaussian Process Regression for Sentinel-1 EW Denoising","display_name":"Inter-polarization Mapping via Gaussian Process Regression for Sentinel-1 EW Denoising","publication_year":2022,"publication_date":"2022-07-17","ids":{"openalex":"https://openalex.org/W4312974038","doi":"https://doi.org/10.1109/igarss46834.2022.9883828"},"language":"en","primary_location":{"id":"doi:10.1109/igarss46834.2022.9883828","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss46834.2022.9883828","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5082656585","display_name":"Adrian Foc\u0219a","orcid":"https://orcid.org/0000-0001-5236-8497"},"institutions":[{"id":"https://openalex.org/I2802885015","display_name":"Military Technical Academy","ror":"https://ror.org/01tqmsq19","country_code":"RO","type":"education","lineage":["https://openalex.org/I2802885015"]},{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Adrian Focsa","raw_affiliation_strings":["University POLITEHNICA of Bucharest (UPB),CEOSpaceTech,Bucharest,Romania","Military Technical Academy \"Ferdinand I\" (ATMFI), Bucharest, Romania","CEOSpaceTech, University POLITEHNICA of Bucharest (UPB), Bucharest, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University POLITEHNICA of Bucharest (UPB),CEOSpaceTech,Bucharest,Romania","institution_ids":["https://openalex.org/I61641377"]},{"raw_affiliation_string":"Military Technical Academy \"Ferdinand I\" (ATMFI), Bucharest, Romania","institution_ids":["https://openalex.org/I2802885015"]},{"raw_affiliation_string":"CEOSpaceTech, University POLITEHNICA of Bucharest (UPB), Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038937968","display_name":"Andrei Anghel","orcid":"https://orcid.org/0000-0003-3875-3238"},"institutions":[{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Andrei Anghel","raw_affiliation_strings":["University POLITEHNICA of Bucharest (UPB),CEOSpaceTech,Bucharest,Romania","CEOSpaceTech, University POLITEHNICA of Bucharest (UPB), Bucharest, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University POLITEHNICA of Bucharest (UPB),CEOSpaceTech,Bucharest,Romania","institution_ids":["https://openalex.org/I61641377"]},{"raw_affiliation_string":"CEOSpaceTech, University POLITEHNICA of Bucharest (UPB), Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007385881","display_name":"Mihai Datcu","orcid":null},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]},{"id":"https://openalex.org/I61641377","display_name":"Universitatea Na\u021bional\u0103 de \u0218tiin\u021b\u0103 \u0219i Tehnologie Politehnica Bucure\u0219ti","ror":"https://ror.org/0558j5q12","country_code":"RO","type":"education","lineage":["https://openalex.org/I61641377"]}],"countries":["DE","RO"],"is_corresponding":false,"raw_author_name":"Mihai Datcu","raw_affiliation_strings":["University POLITEHNICA of Bucharest (UPB),CEOSpaceTech,Bucharest,Romania","German Aerospace Center (DLR), Remote Sensing Technology Institute (IMF), Wessling, Germany","CEOSpaceTech, University POLITEHNICA of Bucharest (UPB), Bucharest, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University POLITEHNICA of Bucharest (UPB),CEOSpaceTech,Bucharest,Romania","institution_ids":["https://openalex.org/I61641377"]},{"raw_affiliation_string":"German Aerospace Center (DLR), Remote Sensing Technology Institute (IMF), Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"CEOSpaceTech, University POLITEHNICA of Bucharest (UPB), Bucharest, Romania","institution_ids":["https://openalex.org/I61641377"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2063","last_page":"2066"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9984999895095825,"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"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9984999895095825,"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/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9955000281333923,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9909999966621399,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/polarization","display_name":"Polarization (electrochemistry)","score":0.5300853848457336},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5056617259979248},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5046917200088501},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.47570475935935974},{"id":"https://openalex.org/keywords/scattering","display_name":"Scattering","score":0.46201765537261963},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.4517579972743988},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43121740221977234},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.3856579661369324},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2631065249443054},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2611982226371765},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.18921935558319092}],"concepts":[{"id":"https://openalex.org/C205049153","wikidata":"https://www.wikidata.org/wiki/Q2698605","display_name":"Polarization (electrochemistry)","level":2,"score":0.5300853848457336},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5056617259979248},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5046917200088501},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.47570475935935974},{"id":"https://openalex.org/C191486275","wikidata":"https://www.wikidata.org/wiki/Q210028","display_name":"Scattering","level":2,"score":0.46201765537261963},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.4517579972743988},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43121740221977234},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3856579661369324},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2631065249443054},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2611982226371765},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.18921935558319092},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/igarss46834.2022.9883828","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss46834.2022.9883828","pdf_url":null,"source":{"id":"https://openalex.org/S4363604196","display_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:elib.dlr.de:193337","is_oa":false,"landing_page_url":"https://doi.org/10.1109/IGARSS46834.2022.9883828>.","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":"Konferenzbeitrag"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":0.4699999988079071}],"awards":[{"id":"https://openalex.org/G4938926684","display_name":null,"funder_award_id":"PN-III-P4-ID-PCE-2020-2120","funder_id":"https://openalex.org/F4320323983","funder_display_name":"Unitatea Executiva pentru Finantarea Invatamantului Superior, a Cercetarii, Dezvoltarii si Inovarii"}],"funders":[{"id":"https://openalex.org/F4320323983","display_name":"Unitatea Executiva pentru Finantarea Invatamantului Superior, a Cercetarii, Dezvoltarii si Inovarii","ror":"https://ror.org/01q7jq182"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1502922572","https://openalex.org/W2119581707","https://openalex.org/W2772239202","https://openalex.org/W2915023258","https://openalex.org/W3088410361","https://openalex.org/W3089838400","https://openalex.org/W3123403341","https://openalex.org/W3123922271","https://openalex.org/W6629804754"],"related_works":["https://openalex.org/W4399671601","https://openalex.org/W1992962589","https://openalex.org/W3032871857","https://openalex.org/W1743191351","https://openalex.org/W3104633800","https://openalex.org/W3023567978","https://openalex.org/W3044778482","https://openalex.org/W3040494141","https://openalex.org/W1977229594","https://openalex.org/W4252699458"],"abstract_inverted_index":{"The":[0],"Sentinel-1":[1,55],"SAR":[2,58,68,114,119],"images":[3,59],"acquired":[4],"using":[5],"the":[6,19,28,51,66,71,79,84,104,112,117,131,142,146,157,161,165,171,174,178,188],"TOPSAR":[7],"modes":[8],"i.e.,":[9],"IW":[10],"and":[11,30,37,70,92,160,187],"EW":[12],"on":[13,22,60,130,141],"cross-polarization":[14,118,148,179],"are":[15,138],"significantly":[16],"affected":[17],"by":[18,64],"thermal":[20,52],"noise":[21,39,53,80],"low-back-scattering":[23],"areas.":[24],"For":[25],"example,":[26],"in":[27,83,177],"arctic":[29],"some":[31],"desert":[32],"zones":[33],"both":[34],"inter-":[35],"swath":[36],"inter-burst":[38],"amplification":[40],"occurs.":[41],"In":[42],"this":[43,123],"paper":[44],"we":[45],"propose":[46],"a":[47,97,125,153],"workflow":[48],"for":[49,170,185],"removing":[50],"from":[54],"ground":[56,89],"detected":[57,90],"low":[61],"back-scattering":[62],"conditions":[63],"employing":[65],"co-polarization":[67,113,132,166],"image":[69,100,115,149],"Gaussian":[72,105],"Process":[73,106],"Regression.":[74],"Our":[75],"processing":[76],"flow":[77],"uses":[78],"vectors":[81],"provided":[82],"European":[85],"Space":[86],"Agency":[87],"(ESA)":[88],"product":[91],"scales":[93],"them":[94],"such":[95],"that":[96],"slightly":[98],"over-denoised":[99,158],"is":[101,108,128,150,168,182,192],"produced.":[102],"Then,":[103],"Regression":[107],"used":[109],"to":[110,122],"map":[111],"into":[116],"image.":[120,163],"Prior":[121],"step,":[124],"radiometric":[126],"correction":[127],"applied":[129],"data,":[133],"since":[134],"its":[135],"pixel":[136],"values":[137,176],"heavily":[139],"dependent":[140],"incidence":[143],"angle.":[144],"Finally,":[145],"denoised":[147],"obtained":[151],"as":[152],"linear":[154],"combination":[155],"between":[156],"version":[159],"predicted":[162],"Since,":[164],"channel":[167,180],"employed":[169],"prediction":[172],"of":[173],"missing":[175],"there":[181],"no":[183],"need":[184],"co-registration":[186],"de":[189],"noising":[190],"procedure":[191],"trustworthy.":[193]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
