{"id":"https://openalex.org/W2289536622","doi":"https://doi.org/10.1109/jstars.2015.2487685","title":"Analysis of a Maximum Likelihood Phase Estimation Method for Airborne Multibaseline SAR Interferometry","display_name":"Analysis of a Maximum Likelihood Phase Estimation Method for Airborne Multibaseline SAR Interferometry","publication_year":2015,"publication_date":"2015-10-26","ids":{"openalex":"https://openalex.org/W2289536622","doi":"https://doi.org/10.1109/jstars.2015.2487685","mag":"2289536622"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2015.2487685","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2015.2487685","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5039403290","display_name":"Christophe Magnard","orcid":"https://orcid.org/0000-0002-1473-8650"},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":true,"raw_author_name":"Christophe Magnard","raw_affiliation_strings":["Remote Sensing Laboratories, Department of Geography, University of Zurich, Zurich, Switzerland"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratories, Department of Geography, University of Zurich, Zurich, Switzerland","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026476742","display_name":"Max Frioud","orcid":null},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Max Frioud","raw_affiliation_strings":["Remote Sensing Laboratories, Department of Geography, University of Zurich, Zurich, Switzerland"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratories, Department of Geography, University of Zurich, Zurich, Switzerland","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046480497","display_name":"David Small","orcid":"https://orcid.org/0000-0002-1440-364X"},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"David Small","raw_affiliation_strings":["Remote Sensing Laboratories, Department of Geography, University of Zurich, Zurich, Switzerland"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratories, Department of Geography, University of Zurich, Zurich, Switzerland","institution_ids":["https://openalex.org/I202697423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111726899","display_name":"Thorsten Brehm","orcid":null},"institutions":[{"id":"https://openalex.org/I4210090867","display_name":"Fraunhofer Institute for High Frequency Physics and Radar Techniques","ror":"https://ror.org/00a6rw165","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210090867","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thorsten Brehm","raw_affiliation_strings":["Fraunhofer Institute for High Frequency Physics and Radar Techniques (FHR), Wachtberg, Germany"],"affiliations":[{"raw_affiliation_string":"Fraunhofer Institute for High Frequency Physics and Radar Techniques (FHR), Wachtberg, Germany","institution_ids":["https://openalex.org/I4210090867"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110150161","display_name":"Erich Meier","orcid":null},"institutions":[{"id":"https://openalex.org/I202697423","display_name":"University of Zurich","ror":"https://ror.org/02crff812","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Erich Meier","raw_affiliation_strings":["Remote Sensing Laboratories, Department of Geography, University of Zurich, Zurich, Switzerland"],"affiliations":[{"raw_affiliation_string":"Remote Sensing Laboratories, Department of Geography, University of Zurich, Zurich, Switzerland","institution_ids":["https://openalex.org/I202697423"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5039403290"],"corresponding_institution_ids":["https://openalex.org/I202697423"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":57.7166,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.9956469,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"9","issue":"3","first_page":"1072","last_page":"1085"},"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":0.9998999834060669,"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":0.9998999834060669,"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":0.9983000159263611,"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":0.9965000152587891,"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/computer-science","display_name":"Computer science","score":0.7734798192977905},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6718211770057678},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.5798611640930176},{"id":"https://openalex.org/keywords/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.5273697376251221},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.5043390989303589},{"id":"https://openalex.org/keywords/outlier","display_name":"Outlier","score":0.48628556728363037},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.48114001750946045},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.470090389251709},{"id":"https://openalex.org/keywords/coherence","display_name":"Coherence (philosophical gambling strategy)","score":0.46548596024513245},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.43156105279922485},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.42951980233192444},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.39937761425971985},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.21370258927345276},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1665077805519104},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1261892020702362},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.1192575991153717},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10067993402481079}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7734798192977905},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6718211770057678},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.5798611640930176},{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.5273697376251221},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.5043390989303589},{"id":"https://openalex.org/C79337645","wikidata":"https://www.wikidata.org/wiki/Q779824","display_name":"Outlier","level":2,"score":0.48628556728363037},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.48114001750946045},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.470090389251709},{"id":"https://openalex.org/C2781181686","wikidata":"https://www.wikidata.org/wiki/Q4226068","display_name":"Coherence (philosophical gambling strategy)","level":2,"score":0.46548596024513245},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.43156105279922485},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.42951980233192444},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.39937761425971985},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.21370258927345276},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1665077805519104},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1261892020702362},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1192575991153717},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10067993402481079},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/jstars.2015.2487685","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2015.2487685","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"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 Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:doi:10.5167/uzh-117427","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4406922384","display_name":"Open MIND","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":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},{"id":"pmh:oai:publica.fraunhofer.de:publica/244238","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/244238","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"journal article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W1516988621","https://openalex.org/W1912095220","https://openalex.org/W2002036830","https://openalex.org/W2003738725","https://openalex.org/W2026790033","https://openalex.org/W2032320001","https://openalex.org/W2040528858","https://openalex.org/W2046077202","https://openalex.org/W2054645095","https://openalex.org/W2061577342","https://openalex.org/W2066218102","https://openalex.org/W2084744129","https://openalex.org/W2086736652","https://openalex.org/W2095579633","https://openalex.org/W2102710768","https://openalex.org/W2113638573","https://openalex.org/W2116375409","https://openalex.org/W2117009774","https://openalex.org/W2117638015","https://openalex.org/W2118739381","https://openalex.org/W2121130113","https://openalex.org/W2129206142","https://openalex.org/W2134596562","https://openalex.org/W2142550517","https://openalex.org/W2142566373","https://openalex.org/W2147559054","https://openalex.org/W2148505991","https://openalex.org/W2150272680","https://openalex.org/W2204366555","https://openalex.org/W2509591323","https://openalex.org/W3041054962","https://openalex.org/W6640025209","https://openalex.org/W6688035643","https://openalex.org/W6724982770"],"related_works":["https://openalex.org/W3006474185","https://openalex.org/W2790032735","https://openalex.org/W2373310320","https://openalex.org/W2781934594","https://openalex.org/W3206958763","https://openalex.org/W2068843146","https://openalex.org/W2462749609","https://openalex.org/W2159160885","https://openalex.org/W2148958581","https://openalex.org/W2910315605"],"abstract_inverted_index":{"It":[0],"has":[1],"been":[2],"shown":[3],"using":[4],"simulated":[5,51],"data":[6,18,56,69],"that":[7,58,67,164],"phase":[8,96,99,111,138],"estimation":[9,112],"of":[10,108],"cross-track":[11],"multibaseline":[12,47],"synthetic":[13],"aperture":[14],"radar":[15],"(SAR)":[16],"interferometric":[17],"was":[19,113,132,172,200],"most":[20],"efficiently":[21],"achieved":[22],"through":[23],"a":[24,122],"maximum":[25],"likelihood":[26],"(ML)":[27],"method.":[28,211],"In":[29],"this":[30,145],"paper,":[31],"we":[32],"apply":[33],"and":[34,152,179],"assess":[35],"the":[36,68,71,88,109,129,137,140,158,169,176,187,197,206],"ML":[37,110,188,210],"approach":[38,178,199],"on":[39,121],"real":[40,55],"data,":[41,52,89],"acquired":[42,159],"with":[43,54,149,165,175,184,196,209],"an":[44],"experimental":[45],"Ka-band":[46],"system.":[48],"Compared":[49],"to":[50,65,118,135],"dealing":[53],"implies":[57],"several":[59],"calibration":[60],"steps":[61,80],"be":[62],"carried":[63],"out":[64],"ensure":[66],"fit":[70],"model.":[72],"A":[73],"processing":[74],"chain":[75],"was,":[76],"therefore,":[77],"designed,":[78],"including":[79],"responsible":[81],"for":[82,84],"compensating":[83],"imperfections":[85],"observed":[86],"in":[87,157],"such":[90],"as":[91],"beam":[92],"elevation":[93],"angle":[94],"dependent":[95],"errors":[97,100],"or":[98],"caused":[101],"by":[102,115],"imperfect":[103],"motion":[104],"compensation.":[105],"The":[106,161],"performance":[107],"evaluated":[114],"comparing":[116],"it":[117],"results":[119,162],"based":[120],"coarse-to-fine":[123],"(C2F)":[124],"algorithm,":[125],"where":[126],"information":[127],"from":[128,139],"shorter":[130],"baselines":[131],"used":[133],"only":[134,166],"unwrap":[136],"longest":[141],"available":[142],"baseline.":[143],"For":[144],"purpose,":[146],"flat":[147],"areas":[148],"high":[150],"coherence":[151],"homogeneous":[153],"texture":[154],"were":[155],"selected":[156],"data.":[160],"show":[163],"four":[167],"looks,":[168,186],"noise":[170,194],"level":[171],"marginally":[173],"better":[174,192],"C2F":[177,198],"contained":[180],"fewer":[181],"outliers.":[182],"However,":[183],"more":[185],"method":[189],"consistently":[190],"delivered":[191],"results:":[193],"variance":[195,207],"slightly":[201],"but":[202],"steadily":[203],"larger":[204],"than":[205],"obtained":[208]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}