{"id":"https://openalex.org/W4405427552","doi":"https://doi.org/10.3390/a17120581","title":"Unsupervised Temporal Adaptation in Skeleton-Based Human Action Recognition","display_name":"Unsupervised Temporal Adaptation in Skeleton-Based Human Action Recognition","publication_year":2024,"publication_date":"2024-12-16","ids":{"openalex":"https://openalex.org/W4405427552","doi":"https://doi.org/10.3390/a17120581"},"language":"en","primary_location":{"id":"doi:10.3390/a17120581","is_oa":true,"landing_page_url":"https://doi.org/10.3390/a17120581","pdf_url":"https://www.mdpi.com/1999-4893/17/12/581/pdf?version=1734366471","source":{"id":"https://openalex.org/S190629608","display_name":"Algorithms","issn_l":"1999-4893","issn":["1999-4893"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Algorithms","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1999-4893/17/12/581/pdf?version=1734366471","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5027395304","display_name":"Haitao Tian","orcid":"https://orcid.org/0000-0002-8464-7973"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Haitao Tian","raw_affiliation_strings":["School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON K1N 6N5, Canada"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON K1N 6N5, Canada","institution_ids":["https://openalex.org/I153718931"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064822721","display_name":"Pierre Payeur","orcid":"https://orcid.org/0000-0003-3103-9752"},"institutions":[{"id":"https://openalex.org/I153718931","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16","country_code":"CA","type":"education","lineage":["https://openalex.org/I153718931"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Pierre Payeur","raw_affiliation_strings":["School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON K1N 6N5, Canada"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON K1N 6N5, Canada","institution_ids":["https://openalex.org/I153718931"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5064822721"],"corresponding_institution_ids":["https://openalex.org/I153718931"],"apc_list":{"value":1400,"currency":"CHF","value_usd":1515},"apc_paid":{"value":1400,"currency":"CHF","value_usd":1515},"fwci":0.2446,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.56223983,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"17","issue":"12","first_page":"581","last_page":"581"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9997000098228455,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9997000098228455,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9894000291824341,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9847000241279602,"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/skeleton","display_name":"Skeleton (computer programming)","score":0.6782413721084595},{"id":"https://openalex.org/keywords/adaptation","display_name":"Adaptation (eye)","score":0.6473996639251709},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6447936296463013},{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.6300238370895386},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5845368504524231},{"id":"https://openalex.org/keywords/human-skeleton","display_name":"Human skeleton","score":0.5432447791099548},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.536994218826294},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4849136471748352},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.15932440757751465},{"id":"https://openalex.org/keywords/neuroscience","display_name":"Neuroscience","score":0.10549721121788025}],"concepts":[{"id":"https://openalex.org/C18969341","wikidata":"https://www.wikidata.org/wiki/Q1169129","display_name":"Skeleton (computer programming)","level":2,"score":0.6782413721084595},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.6473996639251709},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6447936296463013},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.6300238370895386},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5845368504524231},{"id":"https://openalex.org/C2777846634","wikidata":"https://www.wikidata.org/wiki/Q9621","display_name":"Human skeleton","level":2,"score":0.5432447791099548},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.536994218826294},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4849136471748352},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.15932440757751465},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.10549721121788025},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/a17120581","is_oa":true,"landing_page_url":"https://doi.org/10.3390/a17120581","pdf_url":"https://www.mdpi.com/1999-4893/17/12/581/pdf?version=1734366471","source":{"id":"https://openalex.org/S190629608","display_name":"Algorithms","issn_l":"1999-4893","issn":["1999-4893"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Algorithms","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:ffbf8c8d91cd4a4396a1f963e990bd20","is_oa":true,"landing_page_url":"https://doaj.org/article/ffbf8c8d91cd4a4396a1f963e990bd20","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Algorithms, Vol 17, Iss 12, p 581 (2024)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/a17120581","is_oa":true,"landing_page_url":"https://doi.org/10.3390/a17120581","pdf_url":"https://www.mdpi.com/1999-4893/17/12/581/pdf?version=1734366471","source":{"id":"https://openalex.org/S190629608","display_name":"Algorithms","issn_l":"1999-4893","issn":["1999-4893"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Algorithms","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1597412403","display_name":null,"funder_award_id":"RGPIN-","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G2165548363","display_name":null,"funder_award_id":"Canada","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G3028888727","display_name":null,"funder_award_id":"RGPIN-2020-0","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G3525686075","display_name":null,"funder_award_id":"RGPIN-2020","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G6221715925","display_name":null,"funder_award_id":"RGPIN","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G8105784103","display_name":null,"funder_award_id":"RGPIN-202","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"},{"id":"https://openalex.org/G8284766523","display_name":null,"funder_award_id":"(NSERC)","funder_id":"https://openalex.org/F4320334593","funder_display_name":"Natural Sciences and Engineering Research Council of Canada"}],"funders":[{"id":"https://openalex.org/F4320310630","display_name":"University of Ottawa","ror":"https://ror.org/03c4mmv16"},{"id":"https://openalex.org/F4320322675","display_name":"Mitacs","ror":"https://ror.org/00cjrc276"},{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4405427552.pdf","grobid_xml":"https://content.openalex.org/works/W4405427552.grobid-xml"},"referenced_works_count":24,"referenced_works":["https://openalex.org/W2054041160","https://openalex.org/W2092977159","https://openalex.org/W2104094955","https://openalex.org/W2187089797","https://openalex.org/W2765433083","https://openalex.org/W2787919227","https://openalex.org/W2810685774","https://openalex.org/W2940457086","https://openalex.org/W2963076818","https://openalex.org/W2964134613","https://openalex.org/W3005680577","https://openalex.org/W3009561768","https://openalex.org/W3009803092","https://openalex.org/W3035524453","https://openalex.org/W3092424783","https://openalex.org/W3203634062","https://openalex.org/W3205106480","https://openalex.org/W4200634815","https://openalex.org/W4287812705","https://openalex.org/W4308608401","https://openalex.org/W4312757522","https://openalex.org/W4379985979","https://openalex.org/W6776700526","https://openalex.org/W6787768197"],"related_works":["https://openalex.org/W2953562271","https://openalex.org/W1979723775","https://openalex.org/W2126881935","https://openalex.org/W4312993112","https://openalex.org/W3209135759","https://openalex.org/W2347221702","https://openalex.org/W2523395320","https://openalex.org/W41889997","https://openalex.org/W2784535632","https://openalex.org/W3170431411"],"abstract_inverted_index":{"With":[0],"deep":[1],"learning":[2,95],"approaches,":[3],"the":[4,42,70,74,106,111,115,121,141,158,169,193,196],"fundamental":[5],"assumption":[6],"of":[7,72,143,160,164,195],"data":[8,30,57,167],"availability":[9],"can":[10],"be":[11],"severely":[12],"compromised":[13],"when":[14],"a":[15,19,25,78,101,124,144,161],"model":[16,149],"trained":[17],"on":[18,175],"source":[20,79,107],"domain":[21,28,80,127],"is":[22,151],"transposed":[23],"to":[24,81,97,119,123,153,190],"target":[26,84,125,170],"application":[27,126],"where":[29],"are":[31,173],"unlabeled,":[32],"making":[33],"supervised":[34],"fine-tuning":[35],"mostly":[36],"impossible.":[37],"To":[38],"overcome":[39],"this":[40],"limitation,":[41],"present":[43],"work":[44],"introduces":[45],"an":[46,82],"unsupervised":[47],"temporal-domain":[48],"adaptation":[49],"framework":[50],"for":[51,117],"human":[52,146,178],"action":[53,147,179],"recognition":[54,148,180],"from":[55,77,105,109],"skeleton-based":[56],"that":[58,133,150],"combines":[59],"Contrastive":[60],"Prototype":[61],"Learning":[62],"(CPL)":[63],"and":[64,137,156,188],"Temporal":[65],"Adaptation":[66],"Modeling":[67],"(TAM),":[68],"with":[69],"aim":[71],"transferring":[73],"knowledge":[75],"learned":[76],"unlabeled":[83],"domain.":[85,171],"The":[86,130],"CPL":[87,136],"strategy,":[88],"inspired":[89],"by":[90],"recent":[91],"success":[92],"in":[93,168],"contrastive":[94],"applied":[96],"skeleton":[98,166],"data,":[99],"learns":[100],"compact":[102],"temporal":[103],"representation":[104,122],"domain,":[108],"which":[110],"TAM":[112,138],"strategy":[113],"leverages":[114],"capacity":[116],"self-training":[118],"adapt":[120],"using":[128],"pseudo-labels.":[129],"research":[131],"demonstrates":[132],"simultaneously":[134],"solving":[135],"effectively":[139],"enables":[140],"training":[142],"generalizable":[145],"adaptive":[152],"both":[154],"domains":[155],"overcomes":[157],"requirement":[159],"large":[162],"volume":[163],"labeled":[165],"Experiments":[172],"conducted":[174],"multiple":[176],"large-scale":[177],"datasets":[181],"such":[182],"as":[183],"NTU":[184],"RGB+D,":[185],"PKU":[186],"MMD,":[187],"Northwestern\u2013UCLA":[189],"comprehensively":[191],"evaluate":[192],"effectiveness":[194],"proposed":[197],"method.":[198]},"counts_by_year":[{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}