{"id":"https://openalex.org/W7163027220","doi":"https://doi.org/10.1109/lsp.2026.3697691","title":"A Direction-Aware Structured Inversion Method for Single-Frame Forward-Looking Sonar Elevation Recovery","display_name":"A Direction-Aware Structured Inversion Method for Single-Frame Forward-Looking Sonar Elevation Recovery","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7163027220","doi":"https://doi.org/10.1109/lsp.2026.3697691"},"language":null,"primary_location":{"id":"doi:10.1109/lsp.2026.3697691","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2026.3697691","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing 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/A5100782683","display_name":"Xinran Liu","orcid":"https://orcid.org/0009-0003-1245-9273"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinran Liu","raw_affiliation_strings":["State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100404947","display_name":"Jie Yang","orcid":"https://orcid.org/0000-0003-4801-7162"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianmin Yang","raw_affiliation_strings":["State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0006-5537-4028","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075774415","display_name":"Enhua Zhang","orcid":"https://orcid.org/0000-0003-1033-0241"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Enhua Zhang","raw_affiliation_strings":["State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0003-1033-0241","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101269407","display_name":"Yu Chai","orcid":"https://orcid.org/0009-0004-3106-0134"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Chai","raw_affiliation_strings":["School of Oceanography, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0004-3106-0134","affiliations":[{"raw_affiliation_string":"School of Oceanography, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5137541712","display_name":"Wenhao Xu","orcid":null},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenhao Xu","raw_affiliation_strings":["State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0009-0003-5789-1609","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.71965353,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"33","issue":null,"first_page":"2210","last_page":"2214"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.9541000127792358,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10271","display_name":"Seismic Imaging and Inversion Techniques","score":0.9541000127792358,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.007899999618530273,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/T11757","display_name":"Seismic Waves and Analysis","score":0.005400000140070915,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/sonar","display_name":"Sonar","score":0.666700005531311},{"id":"https://openalex.org/keywords/inversion","display_name":"Inversion (geology)","score":0.5874000191688538},{"id":"https://openalex.org/keywords/synthetic-aperture-sonar","display_name":"Synthetic aperture sonar","score":0.4941999912261963},{"id":"https://openalex.org/keywords/radar-tracker","display_name":"Radar tracker","score":0.33550000190734863},{"id":"https://openalex.org/keywords/sonar-signal-processing","display_name":"Sonar signal processing","score":0.31630000472068787},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.3084000051021576},{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.3043000102043152}],"concepts":[{"id":"https://openalex.org/C555745239","wikidata":"https://www.wikidata.org/wiki/Q133220","display_name":"Sonar","level":2,"score":0.666700005531311},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.6517999768257141},{"id":"https://openalex.org/C1893757","wikidata":"https://www.wikidata.org/wiki/Q3653001","display_name":"Inversion (geology)","level":3,"score":0.5874000191688538},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5042999982833862},{"id":"https://openalex.org/C181255713","wikidata":"https://www.wikidata.org/wiki/Q7662740","display_name":"Synthetic aperture sonar","level":3,"score":0.4941999912261963},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.36500000953674316},{"id":"https://openalex.org/C32283439","wikidata":"https://www.wikidata.org/wiki/Q1407014","display_name":"Radar tracker","level":3,"score":0.33550000190734863},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3165999948978424},{"id":"https://openalex.org/C2778260390","wikidata":"https://www.wikidata.org/wiki/Q15378713","display_name":"Sonar signal processing","level":4,"score":0.31630000472068787},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.3084000051021576},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.3043000102043152},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.29840001463890076},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.2773999869823456},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.27379998564720154},{"id":"https://openalex.org/C33613203","wikidata":"https://www.wikidata.org/wiki/Q468469","display_name":"Seabed","level":2,"score":0.26750001311302185},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.2612999975681305},{"id":"https://openalex.org/C50151734","wikidata":"https://www.wikidata.org/wiki/Q1759577","display_name":"Matched filter","level":3,"score":0.2581000030040741},{"id":"https://openalex.org/C131493965","wikidata":"https://www.wikidata.org/wiki/Q7279983","display_name":"Radar horizon","level":5,"score":0.25270000100135803}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lsp.2026.3697691","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2026.3697691","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"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 Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2766581138","display_name":null,"funder_award_id":"Hnky2024-94","funder_id":"https://openalex.org/F4320326677","funder_display_name":"Education Department of Hainan Province"}],"funders":[{"id":"https://openalex.org/F4320326677","display_name":"Education Department of Hainan Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Forward-looking":[0],"sonar":[1,144],"(FLS)":[2],"compresses":[3],"elevation":[4,70],"information":[5],"in":[6,95,142],"2-D":[7,41],"imaging.":[8],"This":[9,87],"makes":[10],"the":[11,89,106],"recovery":[12,76],"of":[13,91],"elevation-related":[14],"structure":[15],"from":[16],"a":[17,62],"single":[18],"FLS":[19,69,129],"image":[20],"an":[21],"underdetermined":[22],"problem.":[23],"Existing":[24],"pseudo":[25],"front":[26],"view":[27],"(PFV)-based":[28],"single-frame":[29,68],"methods":[30,112],"have":[31],"shown":[32],"potential,":[33],"but":[34],"most":[35],"still":[36],"rely":[37],"on":[38,100,126],"generic":[39],"isotropic":[40],"encoding":[42],"so":[43],"known":[44],"range-azimuth":[45],"directional":[46,85],"characteristics":[47],"are":[48],"not":[49],"sufficiently":[50],"integrated":[51],"into":[52],"PFV":[53,75,117],"recovery.":[54,71],"To":[55],"address":[56],"this":[57,59],"limitation,":[58],"letter":[60],"proposes":[61],"direction-aware":[63],"structured":[64],"inversion":[65,122,141],"method":[66,73,108],"for":[67],"The":[72],"enhances":[74],"through":[77],"direction-decoupled":[78],"feature":[79],"extraction,":[80],"azimuth-preserving":[81],"encoding,":[82],"and":[83,113,119],"target-aware":[84],"modulation.":[86],"improves":[88],"representation":[90],"geometry-related":[92],"structural":[93],"cues":[94],"elevation-compressed":[96],"acoustic":[97,121,140],"observations.":[98],"Experiments":[99],"two":[101],"public":[102],"datasets":[103],"show":[104],"that":[105],"proposed":[107],"outperforms":[109],"existing":[110],"PFV-based":[111],"produces":[114],"more":[115],"accurate":[116],"predictions":[118],"3-D":[120,139],"results.":[123],"Qualitative":[124],"results":[125],"real":[127],"deep-sea":[128],"data":[130],"further":[131],"support":[132],"its":[133],"practical":[134],"applicability":[135],"by":[136],"showing":[137],"response-consistent":[138],"measured":[143],"scenes.":[145]},"counts_by_year":[],"updated_date":"2026-06-09T06:18:44.609144","created_date":"2026-06-02T00:00:00"}
