{"id":"https://openalex.org/W4414116814","doi":"https://doi.org/10.1109/taes.2025.3608750","title":"RCI-DUNet: Efficient Complex-Valued Deep Unrolling Network for Multiview MIMO Radar Coincidence Imaging","display_name":"RCI-DUNet: Efficient Complex-Valued Deep Unrolling Network for Multiview MIMO Radar Coincidence Imaging","publication_year":2025,"publication_date":"2025-09-11","ids":{"openalex":"https://openalex.org/W4414116814","doi":"https://doi.org/10.1109/taes.2025.3608750"},"language":"en","primary_location":{"id":"doi:10.1109/taes.2025.3608750","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3608750","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","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/A5101362859","display_name":"Yansen He","orcid":null},"institutions":[{"id":"https://openalex.org/I1327237609","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934","country_code":"CN","type":"government","lineage":["https://openalex.org/I1327237609","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yansen He","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing, China"],"raw_orcid":"https://orcid.org/0009-0009-0803-206X","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I1327237609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100368308","display_name":"Gong Zhang","orcid":"https://orcid.org/0000-0002-7723-7538"},"institutions":[{"id":"https://openalex.org/I1327237609","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934","country_code":"CN","type":"government","lineage":["https://openalex.org/I1327237609","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Gong Zhang","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-7723-7538","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I1327237609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035389273","display_name":"Biao Xue","orcid":"https://orcid.org/0000-0002-3996-0311"},"institutions":[{"id":"https://openalex.org/I191208505","display_name":"Xiamen University","ror":"https://ror.org/00mcjh785","country_code":"CN","type":"education","lineage":["https://openalex.org/I191208505"]},{"id":"https://openalex.org/I75867142","display_name":"Xiamen University of Technology","ror":"https://ror.org/01285e189","country_code":"CN","type":"education","lineage":["https://openalex.org/I75867142"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Biao Xue","raw_affiliation_strings":["Key Laboratory of Underwater Acoustic Communication and Marine Information Technology (Ministry of Education), Xiamen University, Xiamen, China","Key Laboratory of Underwater Acoustic Communication and Marine Information Technology (Xiamen University), Ministry of Education, Xiamen, China"],"raw_orcid":"https://orcid.org/0000-0002-3996-0311","affiliations":[{"raw_affiliation_string":"Key Laboratory of Underwater Acoustic Communication and Marine Information Technology (Ministry of Education), Xiamen University, Xiamen, China","institution_ids":["https://openalex.org/I191208505"]},{"raw_affiliation_string":"Key Laboratory of Underwater Acoustic Communication and Marine Information Technology (Xiamen University), Ministry of Education, Xiamen, China","institution_ids":["https://openalex.org/I75867142"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069724199","display_name":"Qijun Dai","orcid":"https://orcid.org/0000-0001-5317-0730"},"institutions":[{"id":"https://openalex.org/I1327237609","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934","country_code":"CN","type":"government","lineage":["https://openalex.org/I1327237609","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qijun Dai","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0001-5317-0730","affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I1327237609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061884304","display_name":"Henry Leung","orcid":"https://orcid.org/0000-0002-5984-107X"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Henry Leung","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB, Canada","Department of Electrical and Computer Engineering, University of Calgary, Calgary, Canada"],"raw_orcid":"https://orcid.org/0000-0002-5984-107X","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB, Canada","institution_ids":["https://openalex.org/I168635309"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Calgary, Calgary, Canada","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100401599","display_name":"Qian Zhang","orcid":"https://orcid.org/0000-0001-9784-5787"},"institutions":[{"id":"https://openalex.org/I1327237609","display_name":"Ministry of Education of the People's Republic of China","ror":"https://ror.org/01mv9t934","country_code":"CN","type":"government","lineage":["https://openalex.org/I1327237609","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qian Zhang","raw_affiliation_strings":["Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing, China","institution_ids":["https://openalex.org/I1327237609"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.8874,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.9223098,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"61","issue":"6","first_page":"17984","last_page":"18004"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9979000091552734,"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/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.9979000091552734,"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/T11739","display_name":"Microwave Imaging and Scattering Analysis","score":0.9955999851226807,"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/T11609","display_name":"Geophysical Methods and Applications","score":0.9908999800682068,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.5515000224113464},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.44609999656677246},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.4408000111579895},{"id":"https://openalex.org/keywords/iterative-reconstruction","display_name":"Iterative reconstruction","score":0.42730000615119934},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.41620001196861267},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.37540000677108765},{"id":"https://openalex.org/keywords/acceleration","display_name":"Acceleration","score":0.3560999929904938},{"id":"https://openalex.org/keywords/imaging-phantom","display_name":"Imaging phantom","score":0.337799996137619},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.33180001378059387}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7339000105857849},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.5515000224113464},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.48969998955726624},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.44609999656677246},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.4408000111579895},{"id":"https://openalex.org/C141379421","wikidata":"https://www.wikidata.org/wiki/Q6094427","display_name":"Iterative reconstruction","level":2,"score":0.42730000615119934},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.42170000076293945},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.41620001196861267},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.37540000677108765},{"id":"https://openalex.org/C117896860","wikidata":"https://www.wikidata.org/wiki/Q11376","display_name":"Acceleration","level":2,"score":0.3560999929904938},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3449000120162964},{"id":"https://openalex.org/C104293457","wikidata":"https://www.wikidata.org/wiki/Q28324852","display_name":"Imaging phantom","level":2,"score":0.337799996137619},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.33180001378059387},{"id":"https://openalex.org/C124851039","wikidata":"https://www.wikidata.org/wiki/Q2665459","display_name":"Compressed sensing","level":2,"score":0.32339999079704285},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.3188999891281128},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.3181999921798706},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.305400013923645},{"id":"https://openalex.org/C2779832538","wikidata":"https://www.wikidata.org/wiki/Q2308809","display_name":"Coincidence","level":3,"score":0.30489999055862427},{"id":"https://openalex.org/C134406370","wikidata":"https://www.wikidata.org/wiki/Q832005","display_name":"Radar engineering details","level":4,"score":0.30090001225471497},{"id":"https://openalex.org/C2776151529","wikidata":"https://www.wikidata.org/wiki/Q3045304","display_name":"Object detection","level":3,"score":0.2985999882221222},{"id":"https://openalex.org/C87360688","wikidata":"https://www.wikidata.org/wiki/Q740686","display_name":"Synthetic aperture radar","level":2,"score":0.29789999127388},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.27219998836517334},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.26080000400543213},{"id":"https://openalex.org/C145177509","wikidata":"https://www.wikidata.org/wiki/Q1050404","display_name":"Sparse array","level":2,"score":0.2606000006198883},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.2581999897956848},{"id":"https://openalex.org/C70958404","wikidata":"https://www.wikidata.org/wiki/Q7512728","display_name":"Signal reconstruction","level":4,"score":0.2547999918460846},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.251800000667572},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.25110000371932983}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/taes.2025.3608750","is_oa":false,"landing_page_url":"https://doi.org/10.1109/taes.2025.3608750","pdf_url":null,"source":{"id":"https://openalex.org/S193624734","display_name":"IEEE Transactions on Aerospace and Electronic Systems","issn_l":"0018-9251","issn":["0018-9251","1557-9603","2371-9877"],"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 Aerospace and Electronic Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2171614170","display_name":null,"funder_award_id":"62271255","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4628738650","display_name":null,"funder_award_id":"62501504","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1971500547","https://openalex.org/W2069205140","https://openalex.org/W2078204800","https://openalex.org/W2091795495","https://openalex.org/W2100556411","https://openalex.org/W2106715795","https://openalex.org/W2122315118","https://openalex.org/W2127271355","https://openalex.org/W2143070649","https://openalex.org/W2148154358","https://openalex.org/W2156507721","https://openalex.org/W2158252006","https://openalex.org/W2345355233","https://openalex.org/W2626654349","https://openalex.org/W2724116652","https://openalex.org/W2752782242","https://openalex.org/W2798559986","https://openalex.org/W2902719825","https://openalex.org/W2969558369","https://openalex.org/W3047633627","https://openalex.org/W3078162961","https://openalex.org/W4214697084","https://openalex.org/W4250955649","https://openalex.org/W4285110357","https://openalex.org/W4293731263","https://openalex.org/W4315473431","https://openalex.org/W4316661288","https://openalex.org/W4376607945","https://openalex.org/W4385444729","https://openalex.org/W4385453094","https://openalex.org/W4387802915","https://openalex.org/W4389776823","https://openalex.org/W4392061732","https://openalex.org/W4394966834","https://openalex.org/W4400579017","https://openalex.org/W4402816881","https://openalex.org/W4405631912","https://openalex.org/W4406012054","https://openalex.org/W4407851788","https://openalex.org/W4411336473","https://openalex.org/W4411996060","https://openalex.org/W6959780130"],"related_works":["https://openalex.org/W2138100553","https://openalex.org/W3033220593","https://openalex.org/W3029319512","https://openalex.org/W2007743448","https://openalex.org/W3098848373","https://openalex.org/W1990560562","https://openalex.org/W2070733898","https://openalex.org/W4313855562","https://openalex.org/W2091422131","https://openalex.org/W2742737769"],"abstract_inverted_index":{"In":[0],"the":[1,19,46,57,61,68,120],"application":[2],"of":[3,60,122,140],"radar":[4,62],"coincidence":[5],"imaging":[6,13,28,153,169],"(RCI)":[7],"sparse":[8,96],"reconstruction":[9,191],"with":[10,80,160,199],"target":[11,114,141,200],"multi-view":[12,142,201],"cell":[14],"scattering":[15],"intensity":[16],"(ICSI)":[17],"fluctuation,":[18,117],"traditional":[20,173],"compressed":[21],"sensing":[22],"(CS)":[23],"algorithms":[24],"suffer":[25],"from":[26],"undesirable":[27],"quality":[29],"and":[30,72,105,128,193],"high":[31,194],"computational":[32],"complexity.":[33],"This":[34],"paper":[35],"proposes":[36],"a":[37,75,95],"complexvalued":[38],"deep":[39],"unrolling":[40],"network":[41,103],"for":[42,180],"RCI":[43,139,198],"based":[44,99],"on":[45,100],"fast":[47,181],"iterative":[48],"shrinkage-thresholding":[49],"algorithm":[50],"(FISTA),":[51],"called":[52],"RCI-DUNet.":[53],"We":[54,93,130],"first":[55],"convert":[56],"complex-valued":[58],"form":[59,66],"signal":[63],"to":[64,110,113,133,172],"realvalued":[65],"using":[67],"complex-to-real":[69],"arithmetic":[70],"rule,":[71],"then":[73],"propose":[74],"momentum":[76],"correction":[77],"module":[78],"(MCM)":[79],"an":[81],"acceleration":[82],"function":[83,98],"that":[84,148,187],"achieves":[85,189],"stable":[86],"gradient":[87],"propagation":[88],"while":[89],"maintaining":[90],"phase":[91],"coherence.":[92],"design":[94],"transformation":[97],"convolutional":[101],"neural":[102],"(CNN)":[104],"channel":[106],"attention":[107],"(CA)":[108],"mechanism":[109],"dynamically":[111],"adapt":[112],"multiview":[115],"ICSI":[116,143,162,202],"effectively":[118],"solving":[119],"problem":[121],"correlation":[123],"mismatch":[124],"between":[125],"reference":[126],"signals":[127],"echoes.":[129],"apply":[131],"RCIDUNet":[132],"multipe":[134],"input":[135],"multiple":[136],"output":[137],"(MIMO)":[138],"fluctuation.":[144,163,203],"It":[145],"is":[146],"shown":[147],"RCI-DUNet":[149,165,188],"can":[150,166,177],"provide":[151],"high-quality":[152],"results":[154,185],"even":[155],"at":[156],"low":[157],"sampling":[158],"rates":[159],"drastic":[161],"Moreover,":[164],"greatly":[167],"reduce":[168],"time":[170],"compared":[171],"CS":[174],"algorithms,":[175],"which":[176],"be":[178],"used":[179],"RCI.":[182],"The":[183],"simulation":[184],"validate":[186],"excellent":[190],"performance":[192],"efficiency":[195],"in":[196],"MIMO":[197]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-07-25T15:57:00.446498","created_date":"2025-10-10T00:00:00"}
