{"id":"https://openalex.org/W7123462779","doi":"https://doi.org/10.1109/tmc.2026.3653448","title":"MTxLSTM: Multi-Task Learning for Gesture Recognition and Person Identification Using a Miniature Radar Sensor","display_name":"MTxLSTM: Multi-Task Learning for Gesture Recognition and Person Identification Using a Miniature Radar Sensor","publication_year":2026,"publication_date":"2026-01-13","ids":{"openalex":"https://openalex.org/W7123462779","doi":"https://doi.org/10.1109/tmc.2026.3653448"},"language":null,"primary_location":{"id":"doi:10.1109/tmc.2026.3653448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmc.2026.3653448","pdf_url":null,"source":{"id":"https://openalex.org/S69141925","display_name":"IEEE Transactions on Mobile Computing","issn_l":"1536-1233","issn":["1536-1233","1558-0660","2161-9875"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","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 Mobile Computing","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/A5101711943","display_name":"Fei Luo","orcid":"https://orcid.org/0000-0001-7173-7710"},"institutions":[{"id":"https://openalex.org/I4396570619","display_name":"Great Bay University","ror":"https://ror.org/01hdgge16","country_code":null,"type":"education","lineage":["https://openalex.org/I4396570619"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fei Luo","raw_affiliation_strings":["School of Computing and Information Technology, Great Bay University, Dongguan, China"],"raw_orcid":"https://orcid.org/0000-0001-9760-1520","affiliations":[{"raw_affiliation_string":"School of Computing and Information Technology, Great Bay University, Dongguan, China","institution_ids":["https://openalex.org/I4396570619"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5121008810","display_name":"Anna Li","orcid":null},"institutions":[{"id":"https://openalex.org/I67415387","display_name":"Lancaster University","ror":"https://ror.org/04f2nsd36","country_code":"GB","type":"education","lineage":["https://openalex.org/I67415387"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Anna Li","raw_affiliation_strings":["School of Computing & Communications, Lancaster University, Lancaster, U.K"],"raw_orcid":"https://orcid.org/0000-0002-5753-1430","affiliations":[{"raw_affiliation_string":"School of Computing & Communications, Lancaster University, Lancaster, U.K","institution_ids":["https://openalex.org/I67415387"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122941129","display_name":"Zhao Huang","orcid":null},"institutions":[{"id":"https://openalex.org/I32394136","display_name":"Northumbria University","ror":"https://ror.org/049e6bc10","country_code":"GB","type":"education","lineage":["https://openalex.org/I32394136"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Zhao Huang","raw_affiliation_strings":["Northumbria University, Newcastle, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Northumbria University, Newcastle, U.K","institution_ids":["https://openalex.org/I32394136"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5122965388","display_name":"Kaishun Wu","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Kaishun Wu","raw_affiliation_strings":["Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China"],"raw_orcid":"https://orcid.org/0000-0003-2216-0737","affiliations":[{"raw_affiliation_string":"Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075781394","display_name":"B. Jiang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210162190","display_name":"China University of Petroleum, East China","ror":"https://ror.org/05gbn2817","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210162190"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Jiang","raw_affiliation_strings":["College of Oceanography and Space Informatics, University of Petroleum, Qingdao, China"],"raw_orcid":"https://orcid.org/0000-0002-4044-885X","affiliations":[{"raw_affiliation_string":"College of Oceanography and Space Informatics, University of Petroleum, Qingdao, China","institution_ids":["https://openalex.org/I4210162190"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101412107","display_name":"Ziqing Sun","orcid":"https://orcid.org/0009-0009-3456-1141"},"institutions":[{"id":"https://openalex.org/I4210153921","display_name":"Guangzhou Medical University Cancer Hospital","ror":"https://ror.org/046c18a90","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210153921"]},{"id":"https://openalex.org/I92039509","display_name":"Guangzhou Medical University","ror":"https://ror.org/00zat6v61","country_code":"CN","type":"education","lineage":["https://openalex.org/I92039509"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ziqing Sun","raw_affiliation_strings":["Department of Medical Imaging, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, China"],"raw_orcid":"https://orcid.org/0009-0007-4634-0181","affiliations":[{"raw_affiliation_string":"Department of Medical Imaging, Affiliated Cancer Hospital and Institute of Guangzhou Medical University, Guangzhou, China","institution_ids":["https://openalex.org/I4210153921","https://openalex.org/I92039509"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5122937073","display_name":"Lu Wang","orcid":null},"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":"Lu Wang","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-6345-3873","affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5101711943"],"corresponding_institution_ids":["https://openalex.org/I4396570619"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.05884529,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"25","issue":"6","first_page":"9332","last_page":"9347"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11038","display_name":"Advanced SAR Imaging Techniques","score":0.8233000040054321,"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":0.8233000040054321,"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/T11398","display_name":"Hand Gesture Recognition Systems","score":0.0689999982714653,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T11196","display_name":"Non-Invasive Vital Sign Monitoring","score":0.014499999582767487,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/gesture","display_name":"Gesture","score":0.8019000291824341},{"id":"https://openalex.org/keywords/gesture-recognition","display_name":"Gesture recognition","score":0.7807999849319458},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.6190999746322632},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.5138999819755554},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.4237000048160553},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.4049000144004822},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.39570000767707825},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.3905999958515167}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8626999855041504},{"id":"https://openalex.org/C207347870","wikidata":"https://www.wikidata.org/wiki/Q371174","display_name":"Gesture","level":2,"score":0.8019000291824341},{"id":"https://openalex.org/C159437735","wikidata":"https://www.wikidata.org/wiki/Q1519524","display_name":"Gesture recognition","level":3,"score":0.7807999849319458},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6248999834060669},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.6190999746322632},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5138999819755554},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4814999997615814},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.4237000048160553},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.4049000144004822},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.39570000767707825},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.3905999958515167},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.383899986743927},{"id":"https://openalex.org/C105339364","wikidata":"https://www.wikidata.org/wiki/Q2297740","display_name":"Software deployment","level":2,"score":0.3828999996185303},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.3614000082015991},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.314300000667572},{"id":"https://openalex.org/C2779726219","wikidata":"https://www.wikidata.org/wiki/Q7685884","display_name":"Target acquisition","level":2,"score":0.314300000667572},{"id":"https://openalex.org/C184297639","wikidata":"https://www.wikidata.org/wiki/Q177765","display_name":"Biometrics","level":2,"score":0.3003999888896942},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.295199990272522},{"id":"https://openalex.org/C175154964","wikidata":"https://www.wikidata.org/wiki/Q380077","display_name":"Task analysis","level":3,"score":0.2879999876022339},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.2867000102996826},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.28529998660087585},{"id":"https://openalex.org/C59404180","wikidata":"https://www.wikidata.org/wiki/Q17013334","display_name":"Feature learning","level":2,"score":0.2768999934196472},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.27480000257492065},{"id":"https://openalex.org/C28006648","wikidata":"https://www.wikidata.org/wiki/Q6934509","display_name":"Multi-task learning","level":3,"score":0.27309998869895935},{"id":"https://openalex.org/C186967261","wikidata":"https://www.wikidata.org/wiki/Q5082128","display_name":"Mobile device","level":2,"score":0.26159998774528503}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmc.2026.3653448","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmc.2026.3653448","pdf_url":null,"source":{"id":"https://openalex.org/S69141925","display_name":"IEEE Transactions on Mobile Computing","issn_l":"1536-1233","issn":["1536-1233","1558-0660","2161-9875"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320439","host_organization_name":"IEEE Computer Society","host_organization_lineage":["https://openalex.org/P4310320439","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Computer Society","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 Mobile Computing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2573870646","display_name":null,"funder_award_id":"2024GCZX003","funder_id":"https://openalex.org/F4320326279","funder_display_name":"Department of Education of Guangdong Province"},{"id":"https://openalex.org/G3965030583","display_name":null,"funder_award_id":"2023KCXTD042","funder_id":"https://openalex.org/F4320326279","funder_display_name":"Department of Education of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320326279","display_name":"Department of Education of Guangdong Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W1614862348","https://openalex.org/W2067534574","https://openalex.org/W2082361295","https://openalex.org/W2582443164","https://openalex.org/W2752782242","https://openalex.org/W2809290718","https://openalex.org/W2944862978","https://openalex.org/W2963430933","https://openalex.org/W2963877604","https://openalex.org/W2970444351","https://openalex.org/W2975043431","https://openalex.org/W2976669726","https://openalex.org/W2984834466","https://openalex.org/W3004500412","https://openalex.org/W3005782158","https://openalex.org/W3042537365","https://openalex.org/W3089460579","https://openalex.org/W3132002364","https://openalex.org/W3138516171","https://openalex.org/W3141797743","https://openalex.org/W3146968685","https://openalex.org/W3162968607","https://openalex.org/W3174351785","https://openalex.org/W3189167202","https://openalex.org/W3201159544","https://openalex.org/W3207084381","https://openalex.org/W4221057698","https://openalex.org/W4223949107","https://openalex.org/W4225492312","https://openalex.org/W4225660138","https://openalex.org/W4285218698","https://openalex.org/W4285278717","https://openalex.org/W4287068712","https://openalex.org/W4296872790","https://openalex.org/W4312832682","https://openalex.org/W4312847199","https://openalex.org/W4319586645","https://openalex.org/W4366352791","https://openalex.org/W4367016241","https://openalex.org/W4380990685","https://openalex.org/W4381302970","https://openalex.org/W4385346076","https://openalex.org/W4386301344","https://openalex.org/W4387609099","https://openalex.org/W4387845821","https://openalex.org/W4388654183","https://openalex.org/W4388838013","https://openalex.org/W4393241094","https://openalex.org/W4393866037","https://openalex.org/W4399620812","https://openalex.org/W4401752362","https://openalex.org/W4413147024","https://openalex.org/W4415795940"],"related_works":[],"abstract_inverted_index":{"Radar-based":[0],"gesture":[1,61,131,143,162,180],"recognition":[2,62,132,163,181],"and":[3,10,43,63,79,87,105,119,129,155,164,173,182,190],"person":[4,64,138,167,183],"identification":[5,65,139,168,184],"offer":[6],"a":[7,25,54,67,91,109,186],"natural,":[8],"convenient,":[9],"privacy-preserving":[11],"approach":[12],"to":[13,75,94,123],"human-computer":[14],"interaction.":[15],"However,":[16],"most":[17],"existing":[18,151],"research":[19],"focuses":[20],"predominantly":[21],"on":[22],"learning":[23,56,102,153],"for":[24,32],"single":[26,110],"task,":[27],"which":[28],"requires":[29],"separate":[30],"models":[31],"each":[33],"task.":[34],"This":[35,176],"separation":[36],"increases":[37],"the":[38,41,44,83,120,192],"complexity":[39,172],"of":[40,103,195],"deployment":[42],"computational":[45],"overhead.":[46],"To":[47],"address":[48],"these":[49],"challenges,":[50],"this":[51],"study":[52,177],"introduces":[53],"multi-task":[55,152],"framework":[57,84],"that":[58,148],"simultaneously":[59],"performs":[60],"using":[66,185],"miniature":[68,187],"radar":[69,188,198],"sensor.":[70],"By":[71],"leveraging":[72,141],"radar's":[73],"capacity":[74],"capture":[76],"finegrained":[77],"spectral":[78],"spatial":[80],"motion":[81],"patterns,":[82],"incorporates":[85],"micro-Doppler":[86],"range-Doppler":[88],"processing,":[89],"alongside":[90],"multi-branch":[92],"architecture":[93],"enhance":[95],"modality-specific":[96],"feature":[97],"representation.":[98],"It":[99],"enables":[100],"unified":[101],"shared":[104],"task-specific":[106],"features":[107],"within":[108],"network":[111],"architecture.":[112],"The":[113],"proposed":[114],"model,":[115],"MTxLSTM,":[116],"integrates":[117],"CNN":[118],"recent":[121],"xLSTM":[122,196],"mitigate":[124],"task":[125],"interference,":[126],"improve":[127,130],"generalization,":[128],"through":[133],"person-specific":[134],"nuances":[135],"while":[136],"enhancing":[137],"by":[140],"contextual":[142],"information.":[144],"Experimental":[145],"results":[146],"reveal":[147],"MTxLSTM":[149],"outperforms":[150],"frameworks":[154],"stateof-":[156],"the-art":[157],"models,":[158],"achieving":[159],"99.21%":[160],"in":[161,166,197],"98.59%":[165],"with":[169],"moderate":[170],"model":[171],"inference":[174],"speed.":[175],"concurrently":[178],"executes":[179],"sensor,":[189],"marking":[191],"first":[193],"application":[194],"sensing":[199],"technology.":[200]},"counts_by_year":[],"updated_date":"2026-05-09T06:09:20.037420","created_date":"2026-01-14T00:00:00"}