{"id":"https://openalex.org/W2790859825","doi":"https://doi.org/10.3390/rs10030454","title":"An Efficient Maximum Likelihood Estimation Approach of Multi-Baseline SAR Interferometry for Refined Topographic Mapping in Mountainous Areas","display_name":"An Efficient Maximum Likelihood Estimation Approach of Multi-Baseline SAR Interferometry for Refined Topographic Mapping in Mountainous Areas","publication_year":2018,"publication_date":"2018-03-14","ids":{"openalex":"https://openalex.org/W2790859825","doi":"https://doi.org/10.3390/rs10030454","mag":"2790859825"},"language":"en","primary_location":{"id":"doi:10.3390/rs10030454","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10030454","pdf_url":"https://www.mdpi.com/2072-4292/10/3/454/pdf?version=1520993441","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/10/3/454/pdf?version=1520993441","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070049638","display_name":"Yuting Dong","orcid":"https://orcid.org/0000-0002-8894-4318"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuting Dong","raw_affiliation_strings":["State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101539168","display_name":"Houjun Jiang","orcid":"https://orcid.org/0000-0001-9395-5671"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Houjun Jiang","raw_affiliation_strings":["College of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, Nanjing 210023, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geographic and Biologic Information, Nanjing University of Posts and Telecommunications, Nanjing 210023, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100388642","display_name":"Lu Zhang","orcid":"https://orcid.org/0000-0002-5384-7630"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Zhang","raw_affiliation_strings":["Collaborative Innovation Center of Geospatial Technology, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"raw_orcid":"https://orcid.org/0000-0002-5384-7630","affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Geospatial Technology, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]},{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100631497","display_name":"Mingsheng Liao","orcid":"https://orcid.org/0000-0001-9556-4287"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]},{"id":"https://openalex.org/I4210118728","display_name":"State Key Laboratory of Information Engineering in Surveying Mapping and Remote Sensing","ror":"https://ror.org/02bpap860","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210118728"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mingsheng Liao","raw_affiliation_strings":["Collaborative Innovation Center of Geospatial Technology, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Collaborative Innovation Center of Geospatial Technology, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]},{"raw_affiliation_string":"State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, 129 Luoyu Road, Wuhan 430079, China","institution_ids":["https://openalex.org/I4210118728","https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100631497"],"corresponding_institution_ids":["https://openalex.org/I37461747","https://openalex.org/I4210118728"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":16.4792,"has_fulltext":true,"cited_by_count":20,"citation_normalized_percentile":{"value":0.98345866,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"10","issue":"3","first_page":"454","last_page":"454"},"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/T10644","display_name":"Cryospheric studies and observations","score":0.9919000267982483,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9771000146865845,"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/interferometric-synthetic-aperture-radar","display_name":"Interferometric synthetic aperture radar","score":0.7896735668182373},{"id":"https://openalex.org/keywords/terrain","display_name":"Terrain","score":0.6611624956130981},{"id":"https://openalex.org/keywords/baseline","display_name":"Baseline (sea)","score":0.656501293182373},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6329942941665649},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.4975326359272003},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.46593230962753296},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.4465939402580261},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.41339412331581116},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.32984820008277893},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.2917322516441345},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20482969284057617},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.17459791898727417},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1537410318851471},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.09656229615211487}],"concepts":[{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.7896735668182373},{"id":"https://openalex.org/C161840515","wikidata":"https://www.wikidata.org/wiki/Q186131","display_name":"Terrain","level":2,"score":0.6611624956130981},{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.656501293182373},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6329942941665649},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.4975326359272003},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.46593230962753296},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.4465939402580261},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.41339412331581116},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.32984820008277893},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2917322516441345},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20482969284057617},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.17459791898727417},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1537410318851471},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.09656229615211487},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs10030454","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10030454","pdf_url":"https://www.mdpi.com/2072-4292/10/3/454/pdf?version=1520993441","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:e0ae19b41edd47bfa6c134cc5f4cd4ee","is_oa":true,"landing_page_url":"https://doaj.org/article/e0ae19b41edd47bfa6c134cc5f4cd4ee","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 10, Iss 3, p 454 (2018)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/10/3/454/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs10030454","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 10; Issue 3; Pages: 454","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs10030454","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs10030454","pdf_url":"https://www.mdpi.com/2072-4292/10/3/454/pdf?version=1520993441","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1390254141","display_name":"\u57fa\u4e8e\u96f7\u8fbe\u9065\u611f\u7684\u5927\u578b\u6c34\u7535\u5de5\u7a0b\u5e93\u5cb8\u8fb9\u5761\u53ca\u5927\u575d\u7a33\u5b9a\u6027\u76d1\u6d4b\u65b9\u6cd5\u7814\u7a76","funder_award_id":"41774006","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2697498264","display_name":null,"funder_award_id":"41501497","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3861991686","display_name":"\u661f\u8f7d\u9ad8\u5206\u8fa8\u7387\u96f7\u8fbe\u6444\u5f71\u6d4b\u91cf\u4e0e\u5e72\u6d89\u6d4b\u91cf\u8054\u5408\u63d0\u53d6\u5730\u5f62\u4fe1\u606f\u65b9\u6cd5\u7814\u7a76","funder_award_id":"41271457","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8376165696","display_name":"\u9ad8\u5206\u8fa8\u7387SAR\u56fe\u50cf\u57ce\u5e02\u76ee\u6807\u8ba4\u77e5\u89e3\u8bd1\u4e0e\u52a8\u6001\u76d1\u6d4b\u5e94\u7528\u7814\u7a76","funder_award_id":"61331016","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320334900","display_name":"Japan Aerospace Exploration Agency","ror":"https://ror.org/059yhyy33"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2790859825.pdf","grobid_xml":"https://content.openalex.org/works/W2790859825.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W1819811667","https://openalex.org/W1899548436","https://openalex.org/W1912095220","https://openalex.org/W1969466953","https://openalex.org/W2000954467","https://openalex.org/W2008037112","https://openalex.org/W2036005424","https://openalex.org/W2042465044","https://openalex.org/W2045126741","https://openalex.org/W2054645095","https://openalex.org/W2102710768","https://openalex.org/W2103459585","https://openalex.org/W2112075713","https://openalex.org/W2112077486","https://openalex.org/W2125267343","https://openalex.org/W2141300959","https://openalex.org/W2147559054","https://openalex.org/W2158901733","https://openalex.org/W2167811736","https://openalex.org/W2168596497","https://openalex.org/W2171466305","https://openalex.org/W2704824799","https://openalex.org/W2736981220","https://openalex.org/W4249744610"],"related_works":["https://openalex.org/W2537969703","https://openalex.org/W2532371958","https://openalex.org/W3195487337","https://openalex.org/W2066613233","https://openalex.org/W2373869189","https://openalex.org/W2763339780","https://openalex.org/W2892740936","https://openalex.org/W2544461495","https://openalex.org/W2374745430","https://openalex.org/W2367557746"],"abstract_inverted_index":{"For":[0],"InSAR":[1,5,139,228],"topographic":[2,53,71],"mapping,":[3],"multi-baseline":[4,40,210,227],"height":[6,28,64,92,104,122,156,163,172,192,199,222],"estimation":[7,48,65,123,193],"is":[8,49,66,94,134,183,206],"known":[9],"to":[10,15,68,82,85,96,117,125,157,185],"be":[11,83],"an":[12,38],"effective":[13],"way":[14],"facilitate":[16],"phase":[17,77],"unwrapping":[18,78],"by":[19],"significantly":[20],"increasing":[21],"the":[22,59,70,75,86,90,98,109,119,150,161,169,187,190,196,202,209,215,225],"ambiguity":[23],"intervals":[24],"and":[25,73,102,166,237],"maintaining":[26],"good":[27],"measurement":[29],"sensitivity,":[30],"especially":[31],"in":[32,55,108,219],"mountainous":[33,56,87],"areas.":[34,57],"In":[35,58,80,111],"this":[36,132],"paper,":[37],"efficient":[39],"SAR":[41],"interferometry":[42],"approach":[43],"based":[44],"on":[45],"maximum":[46,61,120,170],"likelihood":[47,62,121,164,171],"developed":[50],"for":[51,137,168],"refined":[52],"mapping":[54],"algorithm,":[60],"(ML)":[63],"used":[67,116],"measure":[69],"details":[72],"avoid":[74],"complicated":[76,151],"process.":[79],"order":[81],"well-adapted":[84],"terrain":[88,100],"conditions,":[89],"prior":[91,198],"probability":[93],"re-defined":[95,197],"take":[97],"local":[99],"conditions":[101],"neighboring":[103],"constraint":[105],"into":[106,149],"consideration":[107],"algorithm.":[110],"addition,":[112],"three":[113],"strategies":[114,142],"are":[115],"optimize":[118],"process":[124,153],"obtain":[126],"higher":[127],"computational":[128],"efficiency,":[129],"so":[130],"that":[131],"method":[133],"more":[135],"suitable":[136],"spaceborne":[138],"data.":[140],"The":[141,178,221],"include":[143],"substituting":[144],"a":[145,174],"rational":[146],"function":[147],"model":[148],"conversion":[152],"from":[154],"candidate":[155],"interferometric":[158],"phase,":[159],"discretizing":[160],"continuous":[162],"probability,":[165],"searching":[167],"with":[173,180,195,208],"flexible":[175],"step":[176],"length.":[177],"experiment":[179],"simulated":[181],"data":[182,213],"designed":[184],"verify":[186],"improvement":[188],"of":[189,224,234],"ML":[191],"accuracy":[194,223],"distribution.":[200],"Then":[201],"optimized":[203],"processing":[204],"procedure":[205],"tested":[207],"L-band":[211],"ALOS/PALSAR":[212],"covering":[214],"Mount":[216],"Tai":[217],"area":[218],"China.":[220],"generated":[226],"DEM":[229,241],"can":[230],"meet":[231],"both":[232],"standards":[233],"American":[235],"DTED-2":[236],"Chinese":[238],"national":[239],"1:50,000":[240],"(mountain)":[242],"Level":[243],"2.":[244]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2025-10-10T00:00:00"}