{"id":"https://openalex.org/W4389495192","doi":"https://doi.org/10.1109/tim.2023.3341121","title":"Dual Contrastive Training and Transferability-Aware Adaptation for Multisource Privacy-Preserving Motor Imagery Classification","display_name":"Dual Contrastive Training and Transferability-Aware Adaptation for Multisource Privacy-Preserving Motor Imagery Classification","publication_year":2023,"publication_date":"2023-12-08","ids":{"openalex":"https://openalex.org/W4389495192","doi":"https://doi.org/10.1109/tim.2023.3341121"},"language":"en","primary_location":{"id":"doi:10.1109/tim.2023.3341121","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2023.3341121","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"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 Instrumentation and Measurement","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/A5088444199","display_name":"Jian Zhu","orcid":"https://orcid.org/0000-0002-2551-2024"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Zhu","raw_affiliation_strings":["School of Computer Science and Technology, Guangdong University of Technology (GDUT), Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0002-2551-2024","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Guangdong University of Technology (GDUT), Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5068862290","display_name":"Ganxi Xu","orcid":"https://orcid.org/0009-0002-9218-6473"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ganxi Xu","raw_affiliation_strings":["School of Computer Science and Technology, Guangdong University of Technology (GDUT), Guangzhou, China"],"raw_orcid":"https://orcid.org/0009-0002-9218-6473","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Guangdong University of Technology (GDUT), Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087432572","display_name":"Qintai Hu","orcid":"https://orcid.org/0000-0003-3199-2631"},"institutions":[{"id":"https://openalex.org/I139024713","display_name":"Guangdong University of Technology","ror":"https://ror.org/04azbjn80","country_code":"CN","type":"education","lineage":["https://openalex.org/I139024713"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qintai Hu","raw_affiliation_strings":["School of Computer Science and Technology, Guangdong University of Technology (GDUT), Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-3199-2631","affiliations":[{"raw_affiliation_string":"School of Computer Science and Technology, Guangdong University of Technology (GDUT), Guangzhou, China","institution_ids":["https://openalex.org/I139024713"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100383954","display_name":"Boyu Wang","orcid":"https://orcid.org/0000-0002-6108-3589"},"institutions":[{"id":"https://openalex.org/I125749732","display_name":"Western University","ror":"https://ror.org/02grkyz14","country_code":"CA","type":"education","lineage":["https://openalex.org/I125749732"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Boyu Wang","raw_affiliation_strings":["Department of Computer Science and the Brain Mind Institute, University of Western Ontario, London, Canada"],"raw_orcid":"https://orcid.org/0000-0002-6108-3589","affiliations":[{"raw_affiliation_string":"Department of Computer Science and the Brain Mind Institute, University of Western Ontario, London, Canada","institution_ids":["https://openalex.org/I125749732"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091806934","display_name":"Teng Zhou","orcid":"https://orcid.org/0000-0003-1920-8891"},"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/I20942203","display_name":"Hainan University","ror":"https://ror.org/03q648j11","country_code":"CN","type":"education","lineage":["https://openalex.org/I20942203"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Teng Zhou","raw_affiliation_strings":["School of Cyberspace Security, Hainan University, Haikou, China","Centre for Smart Health, The Hong Kong Polytechnic University, Hung Hom, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0003-1920-8891","affiliations":[{"raw_affiliation_string":"School of Cyberspace Security, Hainan University, Haikou, China","institution_ids":["https://openalex.org/I20942203"]},{"raw_affiliation_string":"Centre for Smart Health, The Hong Kong Polytechnic University, Hung Hom, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5005393674","display_name":"Jing Qin","orcid":"https://orcid.org/0000-0002-2961-0860"},"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":"Jing Qin","raw_affiliation_strings":["Centre for Smart Health, The Hong Kong Polytechnic University, Hung Hom, Hong Kong"],"raw_orcid":"https://orcid.org/0000-0002-2961-0860","affiliations":[{"raw_affiliation_string":"Centre for Smart Health, The Hong Kong Polytechnic University, Hung Hom, Hong Kong","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3695,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.80686736,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"73","issue":null,"first_page":"1","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9546999931335449,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10429","display_name":"EEG and Brain-Computer Interfaces","score":0.9546999931335449,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/transferability","display_name":"Transferability","score":0.8022243976593018},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6804200410842896},{"id":"https://openalex.org/keywords/training","display_name":"Training (meteorology)","score":0.6306069493293762},{"id":"https://openalex.org/keywords/adaptation","display_name":"Adaptation (eye)","score":0.6160943508148193},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.548599123954773},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5185559391975403},{"id":"https://openalex.org/keywords/training-set","display_name":"Training set","score":0.46992194652557373},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3597763776779175},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.3588600158691406},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.34286779165267944},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.172268807888031},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.11200457811355591}],"concepts":[{"id":"https://openalex.org/C61272859","wikidata":"https://www.wikidata.org/wiki/Q7834031","display_name":"Transferability","level":3,"score":0.8022243976593018},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6804200410842896},{"id":"https://openalex.org/C2777211547","wikidata":"https://www.wikidata.org/wiki/Q17141490","display_name":"Training (meteorology)","level":2,"score":0.6306069493293762},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.6160943508148193},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.548599123954773},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5185559391975403},{"id":"https://openalex.org/C51632099","wikidata":"https://www.wikidata.org/wiki/Q3985153","display_name":"Training set","level":2,"score":0.46992194652557373},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3597763776779175},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.3588600158691406},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.34286779165267944},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.172268807888031},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11200457811355591},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.0},{"id":"https://openalex.org/C140331021","wikidata":"https://www.wikidata.org/wiki/Q1868104","display_name":"Logit","level":2,"score":0.0},{"id":"https://openalex.org/C124952713","wikidata":"https://www.wikidata.org/wiki/Q8242","display_name":"Literature","level":1,"score":0.0},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tim.2023.3341121","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tim.2023.3341121","pdf_url":null,"source":{"id":"https://openalex.org/S10892749","display_name":"IEEE Transactions on Instrumentation and Measurement","issn_l":"0018-9456","issn":["0018-9456","1557-9662"],"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 Instrumentation and Measurement","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6700000166893005,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G111540416","display_name":null,"funder_award_id":"6212200101","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2309487602","display_name":null,"funder_award_id":"82020108016","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4805122084","display_name":null,"funder_award_id":"61902232","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G636105823","display_name":null,"funder_award_id":"62237001","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":50,"referenced_works":["https://openalex.org/W2031130804","https://openalex.org/W2035715639","https://openalex.org/W2062614893","https://openalex.org/W2116308679","https://openalex.org/W2119163516","https://openalex.org/W2142280324","https://openalex.org/W2147854680","https://openalex.org/W2168500935","https://openalex.org/W2559463885","https://openalex.org/W2566849112","https://openalex.org/W2594654012","https://openalex.org/W2741907166","https://openalex.org/W2792724009","https://openalex.org/W2798991696","https://openalex.org/W2896120927","https://openalex.org/W2899435621","https://openalex.org/W2962824366","https://openalex.org/W2963727766","https://openalex.org/W2970677506","https://openalex.org/W2971075653","https://openalex.org/W2979509742","https://openalex.org/W2981848390","https://openalex.org/W3015863006","https://openalex.org/W3034218934","https://openalex.org/W3035524453","https://openalex.org/W3048377509","https://openalex.org/W3109093849","https://openalex.org/W3127935830","https://openalex.org/W3152205189","https://openalex.org/W3161343553","https://openalex.org/W3173251459","https://openalex.org/W3184027636","https://openalex.org/W3203098462","https://openalex.org/W4225828257","https://openalex.org/W4288061928","https://openalex.org/W4312297552","https://openalex.org/W4312808724","https://openalex.org/W6639480849","https://openalex.org/W6683633756","https://openalex.org/W6687400500","https://openalex.org/W6774108707","https://openalex.org/W6774314701","https://openalex.org/W6779326418","https://openalex.org/W6779520018","https://openalex.org/W6785949975","https://openalex.org/W6789805323","https://openalex.org/W6791619219","https://openalex.org/W6803134439","https://openalex.org/W6803856452","https://openalex.org/W6810261015"],"related_works":["https://openalex.org/W2161221533","https://openalex.org/W4229699405","https://openalex.org/W1666484574","https://openalex.org/W2216382288","https://openalex.org/W2355491300","https://openalex.org/W4234629551","https://openalex.org/W2011110943","https://openalex.org/W2028856635","https://openalex.org/W2011433332","https://openalex.org/W2551249631"],"abstract_inverted_index":{"Motor":[0],"imagery":[1],"(MI)":[2],"is":[3,242],"one":[4,48],"of":[5,107,149,154,201,210],"the":[6,18,37,44,62,84,87,98,105,108,123,127,139,147,150,155,168,179,188,199,202,207],"brain\u2013computer":[7],"interface":[8],"(BCI)":[9],"paradigms":[10],"that":[11],"allows":[12],"a":[13,117,130,134],"participant":[14],"to":[15,82,166,187,198,213],"mentally":[16],"imagine":[17],"movement":[19],"execution":[20],"without":[21],"moving":[22],"physically":[23],"by":[24,116,133,171,205],"electroencephalogram":[25],"(EEG).":[26],"The":[27],"MI":[28,38,89,236],"signals":[29,90],"vary":[30],"dramatically":[31],"among":[32],"multiple":[33],"subjects,":[34],"which":[35],"makes":[36],"classification":[39,237],"task":[40],"extremely":[41],"challenging,":[42],"because":[43],"model":[45,144,181,230],"trained":[46],"on":[47,53,222],"subject":[49],"may":[50],"totally":[51],"fail":[52],"another":[54],"one.":[55],"Furthermore,":[56],"privacy":[57,94,159],"concerns":[58],"always":[59],"arise":[60],"as":[61],"EEG":[63],"contains":[64],"sensitive":[65],"health":[66],"and":[67,91,121,174],"mental":[68],"information.":[69],"In":[70,138],"this":[71],"article,":[72],"we":[73,102,164],"propose":[74,165],"an":[75,112],"unsupervised":[76],"multisource-free":[77],"domain":[78],"adaptation":[79,141],"(DA)":[80],"algorithm":[81],"reduce":[83],"discrepancy":[85],"between":[86],"individual":[88,93],"protect":[92],"simultaneously.":[95],"Specifically,":[96],"in":[97,111,129],"source":[99,109,151,156,169,190,203,240],"training":[100],"phase,":[101,142],"fully":[103],"leverage":[104],"labels":[106],"data":[110,128,157],"instance-contrast":[113],"fashion":[114],"guided":[115],"contrastive":[118,136],"cross-entropy":[119],"loss":[120],"learn":[122],"intrinsic":[124],"structure":[125],"inside":[126],"category-consistent":[131],"way":[132],"categorical":[135],"loss.":[137],"target":[140,180],"our":[143,195,229],"only":[145],"accesses":[146],"parameters":[148],"models":[152,170,204],"instead":[153],"for":[158,234,248],"preservation.":[160],"To":[161],"achieve":[162],"this,":[163],"ensemble":[167],"linear":[172],"combination":[173],"then":[175],"theoretically":[176],"explain":[177],"why":[178],"performs":[182],"better":[183],"than":[184],"or":[185],"equal":[186],"arbitrary":[189],"model.":[191],"We":[192],"further":[193],"keep":[194],"model\u2019s":[196],"attention":[197],"transferability":[200],"estimating":[206],"maximum":[208],"value":[209],"label":[211],"evidence":[212],"prevent":[214],"noise":[215],"accumulation":[216],"when":[217],"generating":[218],"pseudo-labels.":[219],"Sufficient":[220],"experiments":[221],"three":[223],"datasets":[224],"with":[225],"similar":[226],"properties":[227],"demonstrate":[228],"outperforms":[231],"state-of-the-art":[232],"methods":[233],"cross-subject":[235],"tasks.":[238],"Our":[239],"code":[241],"available":[243],"at":[244],"<uri":[245],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[246],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">https://github.com/grilled-chicken-burger/bci</uri>":[247],"noncommercial":[249],"use.":[250]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}