{"id":"https://openalex.org/W4392543466","doi":"https://doi.org/10.1109/lgrs.2024.3374552","title":"Refined Two-Stage Programming Approach to Multibaseline Phase Unwrapping via Gradient Regularization and Quality-Guided Triangulation","display_name":"Refined Two-Stage Programming Approach to Multibaseline Phase Unwrapping via Gradient Regularization and Quality-Guided Triangulation","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4392543466","doi":"https://doi.org/10.1109/lgrs.2024.3374552"},"language":"en","primary_location":{"id":"doi:10.1109/lgrs.2024.3374552","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2024.3374552","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/A5057770566","display_name":"H. Li","orcid":"https://orcid.org/0009-0009-4828-0738"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hongxiang Li","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","institution_ids":["https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]},{"raw_affiliation_string":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108514262","display_name":"Yunkai Deng","orcid":null},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunkai Deng","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","institution_ids":["https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012568710","display_name":"Jili Wang","orcid":"https://orcid.org/0000-0001-6800-492X"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jili Wang","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","institution_ids":["https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085135562","display_name":"Fuhai Zhao","orcid":"https://orcid.org/0009-0001-6148-6345"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fuhai Zhao","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","institution_ids":["https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054513117","display_name":"Yulun Wu","orcid":"https://orcid.org/0000-0003-1352-5749"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yulun Wu","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","institution_ids":["https://openalex.org/I4210137199"]},{"raw_affiliation_string":"School of Electronic, Electrical and Communication Engineering, University of Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101746127","display_name":"Mingjie Zheng","orcid":"https://orcid.org/0000-0002-0122-5629"},"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/I4210137199","display_name":"Aerospace Information Research Institute","ror":"https://ror.org/0419fj215","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210137199"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingjie Zheng","raw_affiliation_strings":["Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Beijing, China","institution_ids":["https://openalex.org/I4210137199"]},{"raw_affiliation_string":"Department of Space Microwave Remote Sensing System, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210137199","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5057770566"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210137199","https://openalex.org/I4210165038"],"apc_list":null,"apc_paid":null,"fwci":10.3966,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.97396236,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"21","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":0.9994999766349792,"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":0.9994999766349792,"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/T10638","display_name":"Optical measurement and interference techniques","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9894999861717224,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7203077673912048},{"id":"https://openalex.org/keywords/regularization","display_name":"Regularization (linguistics)","score":0.717887818813324},{"id":"https://openalex.org/keywords/triangulation","display_name":"Triangulation","score":0.7160243391990662},{"id":"https://openalex.org/keywords/phase-unwrapping","display_name":"Phase unwrapping","score":0.6375100612640381},{"id":"https://openalex.org/keywords/stage","display_name":"Stage (stratigraphy)","score":0.443136990070343},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.35843464732170105},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.32952845096588135},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3223976492881775},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15330973267555237},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12099647521972656},{"id":"https://openalex.org/keywords/interferometry","display_name":"Interferometry","score":0.07297924160957336}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7203077673912048},{"id":"https://openalex.org/C2776135515","wikidata":"https://www.wikidata.org/wiki/Q17143721","display_name":"Regularization (linguistics)","level":2,"score":0.717887818813324},{"id":"https://openalex.org/C135981907","wikidata":"https://www.wikidata.org/wiki/Q188056","display_name":"Triangulation","level":2,"score":0.7160243391990662},{"id":"https://openalex.org/C3020654733","wikidata":"https://www.wikidata.org/wiki/Q6038852","display_name":"Phase unwrapping","level":3,"score":0.6375100612640381},{"id":"https://openalex.org/C146357865","wikidata":"https://www.wikidata.org/wiki/Q1123245","display_name":"Stage (stratigraphy)","level":2,"score":0.443136990070343},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.35843464732170105},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.32952845096588135},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3223976492881775},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15330973267555237},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12099647521972656},{"id":"https://openalex.org/C166689943","wikidata":"https://www.wikidata.org/wiki/Q850283","display_name":"Interferometry","level":2,"score":0.07297924160957336},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lgrs.2024.3374552","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lgrs.2024.3374552","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/13","display_name":"Climate action","score":0.5199999809265137}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W585975565","https://openalex.org/W1963951527","https://openalex.org/W2009790728","https://openalex.org/W2025969570","https://openalex.org/W2061577342","https://openalex.org/W2066427975","https://openalex.org/W2130204909","https://openalex.org/W2132387013","https://openalex.org/W2163062228","https://openalex.org/W2370213240","https://openalex.org/W2965755713","https://openalex.org/W4378071010","https://openalex.org/W4385731835"],"related_works":["https://openalex.org/W768569191","https://openalex.org/W2329386257","https://openalex.org/W2503350049","https://openalex.org/W1535358919","https://openalex.org/W4241226487","https://openalex.org/W2370302780","https://openalex.org/W1998175889","https://openalex.org/W2039867343","https://openalex.org/W3174101689","https://openalex.org/W2010500171"],"abstract_inverted_index":{"Multibaseline":[0],"(MB)":[1],"synthetic":[2],"aperture":[3],"radar":[4],"inter-ferometry":[5],"(InSAR)":[6],"is":[7,20],"capable":[8],"of":[9,22,77,104,128],"reconstructing":[10],"steep":[11],"terrain":[12],"height":[13,106],"profiles,":[14],"and":[15,26,54,88,115,120],"MB":[16,34,56],"phase":[17],"unwrapping":[18],"(PU)":[19],"one":[21],"the":[23,65,70,83,105,110,126,129],"most":[24],"critical":[25],"challenging":[27],"steps":[28],"in":[29],"its":[30],"processing":[31],"chain.":[32],"Existing":[33],"PU":[35,57],"algorithms":[36],"usually":[37],"suffer":[38],"from":[39],"poor":[40],"noise":[41],"robustness":[42],"or":[43],"low":[44],"computational":[45],"efficiency.":[46],"In":[47],"this":[48],"work,":[49],"we":[50],"propose":[51],"a":[52],"fast":[53],"robust":[55,75],"algorithm,":[58],"including":[59],"three":[60],"main":[61],"steps:":[62],"1)":[63],"construct":[64],"triangulation":[66],"network":[67],"guided":[68],"by":[69,109],"quality":[71],"map;":[72],"2)":[73],"obtain":[74],"estimation":[76],"ambiguity":[78],"number":[79],"gradients":[80],"based":[81],"on":[82],"intrinsic":[84],"relationship":[85],"between":[86],"interferograms":[87],"gradient":[89],"regularization;":[90],"3)":[91],"solve":[92],"minimum":[93],"cost":[94],"flow":[95],"problem":[96],"with":[97],"modified":[98],"weights.":[99],"The":[100],"mean":[101],"absolute":[102],"errors":[103],"profiles":[107],"constructed":[108],"proposed":[111,130],"method":[112],"are":[113],"1.6m":[114],"1.3m":[116],"for":[117],"simulated":[118],"data":[119,122],"real":[121],"experiments":[123],"respectively,":[124],"verifying":[125],"effectiveness":[127],"method.":[131]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}