{"id":"https://openalex.org/W4416250557","doi":"https://doi.org/10.1109/ijcnn64981.2025.11228134","title":"Human Activity Recognition Using Spatio-Temporal Dual Attention with Cross-Sensor Attention","display_name":"Human Activity Recognition Using Spatio-Temporal Dual Attention with Cross-Sensor Attention","publication_year":2025,"publication_date":"2025-06-30","ids":{"openalex":"https://openalex.org/W4416250557","doi":"https://doi.org/10.1109/ijcnn64981.2025.11228134"},"language":null,"primary_location":{"id":"doi:10.1109/ijcnn64981.2025.11228134","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ijcnn64981.2025.11228134","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 International Joint Conference on Neural Networks (IJCNN)","raw_type":"proceedings-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/A5119508555","display_name":"Meenambika Chandirakumar","orcid":null},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":true,"raw_author_name":"Meenambika Chandirakumar","raw_affiliation_strings":["University of Moratuwa,Sri Lanka"],"affiliations":[{"raw_affiliation_string":"University of Moratuwa,Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5120450546","display_name":"Thanushanth Kanagarajah","orcid":null},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Thanushanth Kanagarajah","raw_affiliation_strings":["University of Moratuwa,Sri Lanka"],"affiliations":[{"raw_affiliation_string":"University of Moratuwa,Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5120403198","display_name":"Nithursika Kalanantharasan","orcid":null},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Nithursika Kalanantharasan","raw_affiliation_strings":["University of Moratuwa,Sri Lanka"],"affiliations":[{"raw_affiliation_string":"University of Moratuwa,Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067544655","display_name":"Sandareka Wickramanayake","orcid":"https://orcid.org/0000-0003-0314-5988"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Sandareka Wickramanayake","raw_affiliation_strings":["University of Moratuwa,Sri Lanka"],"affiliations":[{"raw_affiliation_string":"University of Moratuwa,Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5020197064","display_name":"Dulani Meedeniya","orcid":"https://orcid.org/0000-0002-4520-3819"},"institutions":[{"id":"https://openalex.org/I195740183","display_name":"University of Moratuwa","ror":"https://ror.org/0491f5305","country_code":"LK","type":"education","lineage":["https://openalex.org/I195740183"]}],"countries":["LK"],"is_corresponding":false,"raw_author_name":"Dulani Meedeniya","raw_affiliation_strings":["University of Moratuwa,Sri Lanka"],"affiliations":[{"raw_affiliation_string":"University of Moratuwa,Sri Lanka","institution_ids":["https://openalex.org/I195740183"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5119508555"],"corresponding_institution_ids":["https://openalex.org/I195740183"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.37334782,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.875,"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"}},"topics":[{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.875,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.07829999923706055,"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/T10114","display_name":"Balance, Gait, and Falls Prevention","score":0.008299999870359898,"subfield":{"id":"https://openalex.org/subfields/3612","display_name":"Physical Therapy, Sports Therapy and Rehabilitation"},"field":{"id":"https://openalex.org/fields/36","display_name":"Health Professions"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.8321999907493591},{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.7932999730110168},{"id":"https://openalex.org/keywords/inertial-measurement-unit","display_name":"Inertial measurement unit","score":0.7717999815940857},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.4544999897480011},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.42750000953674316},{"id":"https://openalex.org/keywords/dual","display_name":"Dual (grammatical number)","score":0.4120999872684479},{"id":"https://openalex.org/keywords/accelerometer","display_name":"Accelerometer","score":0.33340001106262207}],"concepts":[{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.8321999907493591},{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.7932999730110168},{"id":"https://openalex.org/C79061980","wikidata":"https://www.wikidata.org/wiki/Q941680","display_name":"Inertial measurement unit","level":2,"score":0.7717999815940857},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6693999767303467},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6388000249862671},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.4544999897480011},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.42750000953674316},{"id":"https://openalex.org/C2780980858","wikidata":"https://www.wikidata.org/wiki/Q110022","display_name":"Dual (grammatical number)","level":2,"score":0.4120999872684479},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.352400004863739},{"id":"https://openalex.org/C89805583","wikidata":"https://www.wikidata.org/wiki/Q192940","display_name":"Accelerometer","level":2,"score":0.33340001106262207},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.32440000772476196},{"id":"https://openalex.org/C163985040","wikidata":"https://www.wikidata.org/wiki/Q1172399","display_name":"Data acquisition","level":2,"score":0.2930999994277954},{"id":"https://openalex.org/C33954974","wikidata":"https://www.wikidata.org/wiki/Q486494","display_name":"Sensor fusion","level":2,"score":0.290800005197525},{"id":"https://openalex.org/C67186912","wikidata":"https://www.wikidata.org/wiki/Q367664","display_name":"Data modeling","level":2,"score":0.2827000021934509},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.28119999170303345},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.2768000066280365},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.25999999046325684},{"id":"https://openalex.org/C117035363","wikidata":"https://www.wikidata.org/wiki/Q3769299","display_name":"Human behavior","level":2,"score":0.259799987077713}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ijcnn64981.2025.11228134","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ijcnn64981.2025.11228134","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 International Joint Conference on Neural Networks (IJCNN)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2126511896","https://openalex.org/W2153507502","https://openalex.org/W2408098834","https://openalex.org/W2759690896","https://openalex.org/W3009411039","https://openalex.org/W3011785450","https://openalex.org/W3091367282","https://openalex.org/W3176590546","https://openalex.org/W3185580468","https://openalex.org/W4282575297","https://openalex.org/W4286681770","https://openalex.org/W4289517877","https://openalex.org/W4293363567","https://openalex.org/W4377970490","https://openalex.org/W4380607148","https://openalex.org/W4383620541","https://openalex.org/W4387609214","https://openalex.org/W4392411907","https://openalex.org/W4399727635","https://openalex.org/W4400507395"],"related_works":[],"abstract_inverted_index":{"Human":[0,44],"Activity":[1],"Recognition":[2],"(HAR)":[3],"is":[4],"essential":[5],"in":[6],"various":[7],"fields,":[8],"including":[9],"healthcare,":[10],"surveillance,":[11],"and":[12,31,96,145,176],"sports.":[13],"HAR":[14,63,109,116,132],"based":[15],"on":[16,103,171,174,178],"Inertial":[17],"Measurement":[18],"Unit":[19],"(IMU)":[20],"sensor":[21,141,152],"data":[22,34,59,142],"has":[23],"recently":[24],"gained":[25],"attention":[26],"due":[27],"to":[28,38,60,79,107,130],"its":[29],"non-intrusive":[30],"more":[32],"straightforward":[33],"acquisition":[35],"process":[36],"compared":[37],"video-based":[39],"or":[40],"electromyogram":[41],"sensor-based":[42],"approaches.":[43],"activities":[45,95],"exhibit":[46],"complex":[47],"spatiotemporal":[48,55,137],"dynamics,":[49],"necessitating":[50],"the":[51,87,98,148,160,163],"extraction":[52],"of":[53,162,169],"discriminative":[54,136],"features":[56,149],"from":[57,139],"IMU":[58,140],"develop":[61],"effective":[62],"systems.":[64],"While":[65],"deep":[66],"learning":[67],"models":[68],"have":[69],"been":[70],"extensively":[71],"explored":[72],"for":[73,143],"HAR,":[74,144],"existing":[75],"approaches":[76],"often":[77],"struggle":[78],"capture":[80],"these":[81],"intricate":[82],"patterns.":[83],"Further,":[84],"they":[85],"overlook":[86],"coordinated":[88],"movements":[89],"across":[90],"multiple":[91],"body":[92,105],"parts":[93,106],"during":[94],"utilizing":[97],"relationship":[99],"among":[100],"sensors":[101],"positioned":[102],"different":[104],"improve":[108,131],"accuracy.":[110,133],"This":[111],"paper":[112],"presents":[113],"a":[114],"novel":[115],"framework":[117],"called":[118],"STDual-X,":[119],"which":[120],"employs":[121],"Spatio-Temporal":[122],"Dual":[123],"Attention":[124],"Transformers":[125],"(STDAT)":[126],"with":[127],"Cross-Sensor":[128],"Attention(CSA)":[129],"STDAT":[134],"extracts":[135],"patterns":[138],"CSA":[146],"enriches":[147],"by":[150],"incorporating":[151],"relationships.":[153],"Experimental":[154],"results":[155],"using":[156],"public":[157],"datasets":[158],"demonstrate":[159],"effectiveness":[161],"proposed":[164],"model,":[165],"achieving":[166],"state-of-the-art":[167],"accuracies":[168],"97.02%":[170],"PAMAP2,":[172],"95.43%":[173],"Opportunity,":[175],"98.80%":[177],"UCI-HAR.":[179]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-11-14T00:00:00"}