{"id":"https://openalex.org/W3152676354","doi":"https://doi.org/10.1109/lgrs.2021.3069239","title":"Improved DEM Reconstruction Method Based on Multibaseline InSAR","display_name":"Improved DEM Reconstruction Method Based on Multibaseline InSAR","publication_year":2021,"publication_date":"2021-04-19","ids":{"openalex":"https://openalex.org/W3152676354","doi":"https://doi.org/10.1109/lgrs.2021.3069239","mag":"3152676354"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2021.3069239","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2021.3069239","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","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/A5100350548","display_name":"Wenting Zhang","orcid":"https://orcid.org/0000-0002-1799-4174"},"institutions":[{"id":"https://openalex.org/I25355098","display_name":"Chang'an University","ror":"https://ror.org/05mxya461","country_code":"CN","type":"education","lineage":["https://openalex.org/I25355098"]},{"id":"https://openalex.org/I90149893","display_name":"China Earthquake Administration","ror":"https://ror.org/045sza929","country_code":"CN","type":"facility","lineage":["https://openalex.org/I90149893"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenting Zhang","raw_affiliation_strings":["School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","Second Monitoring and Application Center, China Earthquake Administration, Xi'an, China","School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-1799-4174","affiliations":[{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","institution_ids":[]},{"raw_affiliation_string":"Second Monitoring and Application Center, China Earthquake Administration, Xi'an, China","institution_ids":["https://openalex.org/I90149893"]},{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China","institution_ids":["https://openalex.org/I25355098"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037778561","display_name":"Wu Zhu","orcid":"https://orcid.org/0000-0001-6034-3062"},"institutions":[{"id":"https://openalex.org/I25355098","display_name":"Chang'an University","ror":"https://ror.org/05mxya461","country_code":"CN","type":"education","lineage":["https://openalex.org/I25355098"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu Zhu","raw_affiliation_strings":["School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0001-6034-3062","affiliations":[{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","institution_ids":[]},{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China","institution_ids":["https://openalex.org/I25355098"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014708520","display_name":"Xudong Tian","orcid":"https://orcid.org/0000-0001-6723-6032"},"institutions":[{"id":"https://openalex.org/I25355098","display_name":"Chang'an University","ror":"https://ror.org/05mxya461","country_code":"CN","type":"education","lineage":["https://openalex.org/I25355098"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xudong Tian","raw_affiliation_strings":["School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","institution_ids":[]},{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China","institution_ids":["https://openalex.org/I25355098"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100609819","display_name":"Qin Zhang","orcid":"https://orcid.org/0000-0002-2884-9810"},"institutions":[{"id":"https://openalex.org/I25355098","display_name":"Chang'an University","ror":"https://ror.org/05mxya461","country_code":"CN","type":"education","lineage":["https://openalex.org/I25355098"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qin Zhang","raw_affiliation_strings":["School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","institution_ids":[]},{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China","institution_ids":["https://openalex.org/I25355098"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067826216","display_name":"Chaoying Zhao","orcid":"https://orcid.org/0000-0002-5730-9602"},"institutions":[{"id":"https://openalex.org/I25355098","display_name":"Chang'an University","ror":"https://ror.org/05mxya461","country_code":"CN","type":"education","lineage":["https://openalex.org/I25355098"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chaoying Zhao","raw_affiliation_strings":["School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China"],"raw_orcid":"https://orcid.org/0000-0002-5730-9602","affiliations":[{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","institution_ids":[]},{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China","institution_ids":["https://openalex.org/I25355098"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067881429","display_name":"Yufen Niu","orcid":"https://orcid.org/0000-0002-0192-4518"},"institutions":[{"id":"https://openalex.org/I25355098","display_name":"Chang'an University","ror":"https://ror.org/05mxya461","country_code":"CN","type":"education","lineage":["https://openalex.org/I25355098"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yufen Niu","raw_affiliation_strings":["School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang&#x2019;an University, Xi&#x2019;an, China","institution_ids":[]},{"raw_affiliation_string":"School of Geology Engineering and Geomatics, Chang'an University, Xi'an, China","institution_ids":["https://openalex.org/I25355098"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050021374","display_name":"Chisheng Wang","orcid":"https://orcid.org/0000-0003-3489-173X"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chisheng Wang","raw_affiliation_strings":["Department of Civil Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-3489-173X","affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":25.2682,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.99108425,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"19","issue":null,"first_page":"1","last_page":"5"},"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":0.9944999814033508,"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/T10535","display_name":"Landslides and related hazards","score":0.986299991607666,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"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":0.9371435642242432},{"id":"https://openalex.org/keywords/decorrelation","display_name":"Decorrelation","score":0.8071770071983337},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.749199390411377},{"id":"https://openalex.org/keywords/synthetic-aperture-radar","display_name":"Synthetic aperture radar","score":0.6403380632400513},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6220887899398804},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.5877212882041931},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5527603626251221},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.5201699733734131},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.33688539266586304},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.31602615118026733},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2779850959777832}],"concepts":[{"id":"https://openalex.org/C22286887","wikidata":"https://www.wikidata.org/wiki/Q1666056","display_name":"Interferometric synthetic aperture radar","level":3,"score":0.9371435642242432},{"id":"https://openalex.org/C177860922","wikidata":"https://www.wikidata.org/wiki/Q788608","display_name":"Decorrelation","level":2,"score":0.8071770071983337},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.749199390411377},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.6403380632400513},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6220887899398804},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.5877212882041931},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5527603626251221},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.5201699733734131},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.33688539266586304},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.31602615118026733},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2779850959777832},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"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":1,"locations":[{"id":"doi:10.1109/lgrs.2021.3069239","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2021.3069239","pdf_url":null,"source":{"id":"https://openalex.org/S126920919","display_name":"IEEE Geoscience and Remote Sensing Letters","issn_l":"1545-598X","issn":["1545-598X","1558-0571"],"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 Geoscience and Remote Sensing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.4699999988079071}],"awards":[{"id":"https://openalex.org/G1142009460","display_name":null,"funder_award_id":"41941019","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1624230995","display_name":null,"funder_award_id":"42074040","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3108219817","display_name":null,"funder_award_id":"41731066","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5089444385","display_name":null,"funder_award_id":"2018YFC1505101","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G8108131831","display_name":null,"funder_award_id":"41790445","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8477302084","display_name":null,"funder_award_id":"2020YFC1512001","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program 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/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W270562103","https://openalex.org/W1942674653","https://openalex.org/W2025969570","https://openalex.org/W2043822448","https://openalex.org/W2054645095","https://openalex.org/W2069718020","https://openalex.org/W2080341437","https://openalex.org/W2102710768","https://openalex.org/W2110764636","https://openalex.org/W2148031952","https://openalex.org/W2152189873","https://openalex.org/W2152657318","https://openalex.org/W2157664157","https://openalex.org/W2163622378","https://openalex.org/W2171466305","https://openalex.org/W2349104480","https://openalex.org/W2547851709","https://openalex.org/W2618224342","https://openalex.org/W2967036773","https://openalex.org/W2981091053","https://openalex.org/W3013147085","https://openalex.org/W4249744610","https://openalex.org/W6609779881","https://openalex.org/W6774837927"],"related_works":["https://openalex.org/W2045104684","https://openalex.org/W1991497027","https://openalex.org/W2542174201","https://openalex.org/W3131672414","https://openalex.org/W2375969670","https://openalex.org/W2971183605","https://openalex.org/W2382147371","https://openalex.org/W3206958763","https://openalex.org/W2544666549","https://openalex.org/W2044902118"],"abstract_inverted_index":{"Digital":[0],"elevation":[1],"models":[2],"(DEMs)":[3],"are":[4],"vital":[5],"in":[6,27,53,61,78],"the":[7,37,62,85,95,103,109,113,117,138,141,147,158,170,173],"geosciences":[8],"and":[9,106,122,136],"many":[10],"other":[11],"fields.":[12],"Interferometric":[13],"synthetic":[14],"aperture":[15],"radar":[16],"(InSAR),":[17],"an":[18,70],"advanced":[19],"earth":[20],"observation":[21],"technology,":[22],"has":[23],"shown":[24],"its":[25],"potential":[26],"DEM":[28,40,49,64,73,87,96,139,161],"reconstruction.":[29],"Multi":[30],"baseline":[31],"InSAR":[32],"(MB-InSAR)":[33],"is":[34,76],"currently":[35],"improving":[36],"precision":[38],"of":[39,116,149,166,172],"reconstruction":[41,74,162],"by":[42,153],"combining":[43],"multiple":[44],"interferograms.":[45],"However,":[46],"MB-InSAR":[47,72,160],"for":[48],"generation":[50],"can":[51,93],"result":[52],"severe":[54],"decorrelation,":[55],"which":[56,81,98],"may":[57],"cause":[58],"significant":[59],"gaps":[60],"final":[63],"product.":[65],"To":[66],"solve":[67],"this":[68,79],"problem,":[69],"improved":[71],"method":[75,92,163],"proposed":[77,91,118,142,174],"study,":[80],"we":[82],"term":[83],"as":[84],"dynamic":[86],"calculation":[88],"algorithm.":[89],"The":[90],"estimate":[94],"pixel-by-pixel,":[97],"allowed":[99],"us":[100],"to":[101,132],"select":[102],"interferograms":[104,135],"dynamically":[105],"therefore":[107],"minimize":[108],"void":[110],"values.":[111],"For":[112],"performance":[114],"test":[115],"method,":[119],"25":[120],"ascending":[121],"20":[123],"descending":[124],"TerraSAR-X":[125],"images":[126],"over":[127],"Heifangtai":[128],"(China)":[129],"were":[130],"collected":[131],"form":[133],"repeat-pass":[134],"produce":[137],"using":[140],"method.":[143,175],"Results":[144],"showed":[145],"that":[146],"number":[148],"valid":[150],"pixels":[151],"increased":[152],"approximately":[154],"20%":[155],"compared":[156],"with":[157],"traditional":[159],"without":[164],"loss":[165],"precision,":[167],"thereby":[168],"illustrating":[169],"feasibility":[171]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":7},{"year":2021,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
