{"id":"https://openalex.org/W2967036773","doi":"https://doi.org/10.1109/tgrs.2019.2930802","title":"Nonparametric Estimation of DEM Error in Multitemporal InSAR","display_name":"Nonparametric Estimation of DEM Error in Multitemporal InSAR","publication_year":2019,"publication_date":"2019-08-14","ids":{"openalex":"https://openalex.org/W2967036773","doi":"https://doi.org/10.1109/tgrs.2019.2930802","mag":"2967036773"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2019.2930802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2019.2930802","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009593279","display_name":"Hongyu Liang","orcid":"https://orcid.org/0000-0002-6410-1631"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Hongyu Liang","raw_affiliation_strings":["Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-6410-1631","affiliations":[{"raw_affiliation_string":"Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100665946","display_name":"Lei Zhang","orcid":"https://orcid.org/0000-0002-8152-2470"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Lei Zhang","raw_affiliation_strings":["Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong","Faculty of Architecture, The University of Hong Kong, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-8152-2470","affiliations":[{"raw_affiliation_string":"Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"Faculty of Architecture, The University of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I889458895"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010436195","display_name":"Zhong Lu","orcid":"https://orcid.org/0000-0001-9181-1818"},"institutions":[{"id":"https://openalex.org/I178169726","display_name":"Southern Methodist University","ror":"https://ror.org/042tdr378","country_code":"US","type":"education","lineage":["https://openalex.org/I178169726"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhong Lu","raw_affiliation_strings":["Roy M. Huffington Department of Earth Sciences, South Methodist University, Dallas, USA"],"raw_orcid":"https://orcid.org/0000-0001-9181-1818","affiliations":[{"raw_affiliation_string":"Roy M. Huffington Department of Earth Sciences, South Methodist University, Dallas, USA","institution_ids":["https://openalex.org/I178169726"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100354056","display_name":"Xin Li","orcid":"https://orcid.org/0000-0003-2999-9818"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Li","raw_affiliation_strings":["Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":31.2893,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":{"value":0.99197105,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"57","issue":"12","first_page":"10004","last_page":"10014"},"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9973000288009644,"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"}},{"id":"https://openalex.org/T10534","display_name":"Structural Health Monitoring Techniques","score":0.9907000064849854,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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":0.8807291984558105},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6781841516494751},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.6177099347114563},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5913469195365906},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5602420568466187},{"id":"https://openalex.org/keywords/nonparametric-statistics","display_name":"Nonparametric statistics","score":0.5270148515701294},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.5062338709831238},{"id":"https://openalex.org/keywords/a-priori-and-a-posteriori","display_name":"A priori and a posteriori","score":0.4717871844768524},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.3603883683681488},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33336141705513},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.28773772716522217},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16540396213531494},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12281724810600281},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.07181534171104431}],"concepts":[{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.8807291984558105},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6781841516494751},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.6177099347114563},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5913469195365906},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5602420568466187},{"id":"https://openalex.org/C102366305","wikidata":"https://www.wikidata.org/wiki/Q1097688","display_name":"Nonparametric statistics","level":2,"score":0.5270148515701294},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.5062338709831238},{"id":"https://openalex.org/C75553542","wikidata":"https://www.wikidata.org/wiki/Q178161","display_name":"A priori and a posteriori","level":2,"score":0.4717871844768524},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.3603883683681488},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33336141705513},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.28773772716522217},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16540396213531494},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12281724810600281},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.07181534171104431},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2019.2930802","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2019.2930802","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"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G156365626","display_name":null,"funder_award_id":"152043/14E","funder_id":"https://openalex.org/F4320321592","funder_display_name":"Research Grants Council, University Grants Committee"},{"id":"https://openalex.org/G2541649431","display_name":null,"funder_award_id":"41304011","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3253536090","display_name":null,"funder_award_id":"PolyU 152214/14E","funder_id":"https://openalex.org/F4320321592","funder_display_name":"Research Grants Council, University Grants Committee"},{"id":"https://openalex.org/G5119838825","display_name":"\u9762\u5411\u6ed1\u5761\u76d1\u6d4b\u7684InSAR\u65f6\u5e8f\u5206\u6790\u548c\u878d\u5408\u65b9\u6cd5\u7814\u7a76","funder_award_id":"41774023","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/F4320321592","display_name":"Research Grants Council, University Grants Committee","ror":"https://ror.org/00djwmt25"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W6310818","https://openalex.org/W112357801","https://openalex.org/W1549530671","https://openalex.org/W1672745209","https://openalex.org/W1972797357","https://openalex.org/W1983459838","https://openalex.org/W1988831273","https://openalex.org/W1996192925","https://openalex.org/W2002814689","https://openalex.org/W2013211795","https://openalex.org/W2019502123","https://openalex.org/W2033483520","https://openalex.org/W2039174579","https://openalex.org/W2043822448","https://openalex.org/W2047029664","https://openalex.org/W2048638671","https://openalex.org/W2051227254","https://openalex.org/W2058013657","https://openalex.org/W2059756166","https://openalex.org/W2063136079","https://openalex.org/W2075974162","https://openalex.org/W2089222958","https://openalex.org/W2097762029","https://openalex.org/W2099741732","https://openalex.org/W2116483595","https://openalex.org/W2117902710","https://openalex.org/W2123649031","https://openalex.org/W2133177642","https://openalex.org/W2138001881","https://openalex.org/W2140501674","https://openalex.org/W2141224535","https://openalex.org/W2141622014","https://openalex.org/W2147528194","https://openalex.org/W2148031952","https://openalex.org/W2150207495","https://openalex.org/W2152657318","https://openalex.org/W2158164858","https://openalex.org/W2173283616","https://openalex.org/W2297871613","https://openalex.org/W2547851709","https://openalex.org/W2558378816","https://openalex.org/W2963780177","https://openalex.org/W4206080774","https://openalex.org/W4229898513","https://openalex.org/W4232329682","https://openalex.org/W4245316609","https://openalex.org/W6697244375"],"related_works":["https://openalex.org/W2375969670","https://openalex.org/W2382147371","https://openalex.org/W3206958763","https://openalex.org/W2544666549","https://openalex.org/W2357112104","https://openalex.org/W2148958581","https://openalex.org/W2093343221","https://openalex.org/W2044902118","https://openalex.org/W2161722929","https://openalex.org/W3145343289"],"abstract_inverted_index":{"Isolating":[0],"phase":[1,169],"residuals":[2],"due":[3,43],"to":[4,44,86,142],"inaccurate":[5],"external":[6],"digital":[7],"elevation":[8],"model":[9,55],"(DEM)":[10],"is":[11,127,140,182],"important":[12],"in":[13,50,57,69,105],"retrieval":[14,62],"and":[15,52,83,132],"interpretation":[16],"of":[17,47,63,179],"deformation":[18,54],"behavior":[19],"from":[20,118],"interferometric":[21,87],"synthetic":[22,131],"aperture":[23],"radar":[24],"(InSAR)":[25],"observations.":[26],"Multitemporal":[27],"InSAR":[28],"(MTInSAR),":[29],"by":[30,173],"taking":[31],"DEM":[32,64,76,103,144],"error":[33,65,77,104,145],"as":[34],"a":[35,79,96,106,114,148,162],"parameter,":[36],"can":[37,100,160],"make":[38],"the":[39,45,58,75,102,122,137,158,167,177],"isolation":[40],"possible.":[41],"However,":[42],"presence":[46],"atmospheric":[48,174],"artifacts":[49],"observations":[51,170],"improper":[53],"employed":[56],"observation":[59],"system,":[60],"accurate":[61],"cannot":[66],"be":[67],"guaranteed":[68],"current":[70],"MTInSAR":[71,120],"techniques.":[72],"Considering":[73],"that":[74,99,157],"has":[78],"fixed":[80,115],"spatial":[81,91,116],"pattern":[82,117],"its":[84],"contribution":[85],"phase-only":[88],"changes":[89],"with":[90,130,146],"baselines,":[92],"we":[93],"propose":[94],"here":[95],"nonparametric":[97],"method":[98,139,159],"estimate":[101,143],"more":[107,163],"robust":[108,164],"way.":[109],"To":[110],"retrieve":[111],"signals":[112],"having":[113],"unwrapped":[119],"measurements,":[121],"independent":[123],"component":[124],"analysis":[125],"(ICA)":[126],"used.":[128],"Experiments":[129],"real":[133],"data":[134],"sets":[135],"indicate":[136],"proposed":[138],"able":[141],"no":[147],"priori":[149],"information":[150],"about":[151],"deformation.":[152],"Moreover,":[153],"experiments":[154],"also":[155],"show":[156],"provide":[161],"estimation":[165],"when":[166],"observed":[168],"are":[171],"affected":[172],"delays":[175],"and/or":[176],"number":[178],"interferograms":[180],"used":[181],"limited.":[183]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":4}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
