{"id":"https://openalex.org/W4390604645","doi":"https://doi.org/10.1145/3639470","title":"Two-stream Multi-level Dynamic Point Transformer for Two-person Interaction Recognition","display_name":"Two-stream Multi-level Dynamic Point Transformer for Two-person Interaction Recognition","publication_year":2024,"publication_date":"2024-01-05","ids":{"openalex":"https://openalex.org/W4390604645","doi":"https://doi.org/10.1145/3639470"},"language":"en","primary_location":{"id":"doi:10.1145/3639470","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3639470","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","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/A5100463079","display_name":"Yao Liu","orcid":"https://orcid.org/0000-0002-5271-0536"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yao Liu","raw_affiliation_strings":["School of Computer Science and Engineering, University of New South Wales, Australia"],"raw_orcid":"https://orcid.org/0000-0002-5271-0536","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of New South Wales, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101507263","display_name":"Gangfeng Cui","orcid":"https://orcid.org/0009-0000-8604-7667"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Gangfeng Cui","raw_affiliation_strings":["School of Computer Science and Engineering, University of New South Wales, Australia"],"raw_orcid":"https://orcid.org/0009-0000-8604-7667","affiliations":[{"raw_affiliation_string":"School of Computer Science and Engineering, University of New South Wales, Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101697282","display_name":"Jiahui Luo","orcid":"https://orcid.org/0009-0004-6220-3927"},"institutions":[{"id":"https://openalex.org/I165779595","display_name":"The University of Melbourne","ror":"https://ror.org/01ej9dk98","country_code":"AU","type":"education","lineage":["https://openalex.org/I165779595"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jiahui Luo","raw_affiliation_strings":["School of Computing and Information Systems, University of Melbourne, Australia"],"raw_orcid":"https://orcid.org/0009-0004-6220-3927","affiliations":[{"raw_affiliation_string":"School of Computing and Information Systems, University of Melbourne, Australia","institution_ids":["https://openalex.org/I165779595"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034967388","display_name":"Xiaojun Chang","orcid":"https://orcid.org/0000-0002-7778-8807"},"institutions":[{"id":"https://openalex.org/I114017466","display_name":"University of Technology Sydney","ror":"https://ror.org/03f0f6041","country_code":"AU","type":"education","lineage":["https://openalex.org/I114017466"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Xiaojun Chang","raw_affiliation_strings":["Faculty of Engineering and Information Technology, University of Technology Sydney, Australia"],"raw_orcid":"https://orcid.org/0000-0002-7778-8807","affiliations":[{"raw_affiliation_string":"Faculty of Engineering and Information Technology, University of Technology Sydney, Australia","institution_ids":["https://openalex.org/I114017466"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052731721","display_name":"Lina Yao","orcid":"https://orcid.org/0000-0002-4149-839X"},"institutions":[{"id":"https://openalex.org/I1292875679","display_name":"Commonwealth Scientific and Industrial Research Organisation","ror":"https://ror.org/03qn8fb07","country_code":"AU","type":"government","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I4387156119"]},{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]},{"id":"https://openalex.org/I42894916","display_name":"Data61","ror":"https://ror.org/03q397159","country_code":"AU","type":"other","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I42894916","https://openalex.org/I4387156119"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Lina Yao","raw_affiliation_strings":["Data 61, CSIRO and School of Computer Science and Engineering, University of New South Wales, Australia"],"raw_orcid":"https://orcid.org/0000-0002-4149-839X","affiliations":[{"raw_affiliation_string":"Data 61, CSIRO and School of Computer Science and Engineering, University of New South Wales, Australia","institution_ids":["https://openalex.org/I1292875679","https://openalex.org/I31746571","https://openalex.org/I42894916"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.294,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.78374869,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"20","issue":"5","first_page":"1","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9994999766349792,"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":0.9994999766349792,"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/T11398","display_name":"Hand Gesture Recognition Systems","score":0.9994000196456909,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9988999962806702,"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/transformer","display_name":"Transformer","score":0.5424296855926514},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.44995030760765076},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15732169151306152},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.138911634683609},{"id":"https://openalex.org/keywords/voltage","display_name":"Voltage","score":0.0543522834777832}],"concepts":[{"id":"https://openalex.org/C66322947","wikidata":"https://www.wikidata.org/wiki/Q11658","display_name":"Transformer","level":3,"score":0.5424296855926514},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.44995030760765076},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15732169151306152},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.138911634683609},{"id":"https://openalex.org/C165801399","wikidata":"https://www.wikidata.org/wiki/Q25428","display_name":"Voltage","level":2,"score":0.0543522834777832}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3639470","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3639470","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.7200000286102295}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":47,"referenced_works":["https://openalex.org/W1170499633","https://openalex.org/W2035036811","https://openalex.org/W2058256495","https://openalex.org/W2150412487","https://openalex.org/W2194756467","https://openalex.org/W2510185399","https://openalex.org/W2531563875","https://openalex.org/W2558687840","https://openalex.org/W2560609797","https://openalex.org/W2579984156","https://openalex.org/W2623012778","https://openalex.org/W2736334449","https://openalex.org/W2739179646","https://openalex.org/W2766087959","https://openalex.org/W2771468013","https://openalex.org/W2804587839","https://openalex.org/W2884585870","https://openalex.org/W2914177721","https://openalex.org/W2940457086","https://openalex.org/W2944006115","https://openalex.org/W2944017438","https://openalex.org/W2948058585","https://openalex.org/W2963177663","https://openalex.org/W2964134613","https://openalex.org/W2969812797","https://openalex.org/W2996249958","https://openalex.org/W3034213511","https://openalex.org/W3035398346","https://openalex.org/W3090067260","https://openalex.org/W3092336341","https://openalex.org/W3119567997","https://openalex.org/W3123784868","https://openalex.org/W3168718178","https://openalex.org/W3186755040","https://openalex.org/W3199934435","https://openalex.org/W3203113175","https://openalex.org/W3214094165","https://openalex.org/W4206706211","https://openalex.org/W4214614183","https://openalex.org/W4214923132","https://openalex.org/W4236965008","https://openalex.org/W4281749424","https://openalex.org/W4283396563","https://openalex.org/W4293519341","https://openalex.org/W4296617611","https://openalex.org/W4308235890","https://openalex.org/W4362519101"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857","https://openalex.org/W2350741829","https://openalex.org/W2530322880"],"abstract_inverted_index":{"As":[0],"a":[1,31,60,98,119,125,131,164],"fundamental":[2],"aspect":[3],"of":[4,79,188],"human":[5],"life,":[6],"two-person":[7,39,71,81],"interactions":[8,40,82],"contain":[9],"meaningful":[10],"information":[11,117,156],"about":[12],"people\u2019s":[13],"activities,":[14],"relationships,":[15],"and":[16,49,90,130,139,154,192],"social":[17],"settings.":[18,209],"Human":[19],"action":[20],"recognition":[21],"serves":[22],"as":[23],"the":[24,77,143,148,159,170,174,185],"foundation":[25],"for":[26,70,173],"many":[27],"smart":[28],"applications,":[29],"with":[30],"strong":[32],"focus":[33],"on":[34,169,181],"personal":[35],"privacy.":[36],"However,":[37],"recognizing":[38,80],"poses":[41],"more":[42,115],"challenges":[43],"due":[44],"to":[45,52,158,166],"increased":[46],"body":[47],"occlusion":[48],"overlap":[50],"compared":[51],"single-person":[53],"actions.":[54],"In":[55],"this":[56],"article,":[57],"we":[58,96,162],"propose":[59],"point":[61],"cloud-based":[62],"network":[63,201],"named":[64,103],"Two-stream":[65],"Multi-level":[66],"Dynamic":[67],"Point":[68],"Transformer":[69],"interaction":[72,186],"recognition.":[73],"Our":[74],"model":[75],"addresses":[76],"challenge":[78],"by":[83],"incorporating":[84],"local-region":[85,149],"spatial":[86,150],"information,":[87,89,151,153],"appearance":[88,152],"motion":[91,155],"information.":[92],"To":[93],"achieve":[94],"this,":[95],"introduce":[97],"designed":[99],"frame":[100,126],"selection":[101],"method":[102],"Interval":[104],"Frame":[105],"Sampling":[106],"(IFS),":[107],"which":[108],"efficiently":[109],"samples":[110],"frames":[111],"from":[112,142],"videos,":[113],"capturing":[114],"discriminative":[116],"in":[118,205],"relatively":[120],"short":[121],"processing":[122],"time.":[123],"Subsequently,":[124],"features":[127,141,172],"learning":[128],"module":[129,136],"two-stream":[132],"multi-level":[133],"feature":[134],"aggregation":[135],"extract":[137],"global":[138],"partial":[140],"sampled":[144],"frames,":[145],"effectively":[146],"representing":[147],"related":[157],"interactions.":[160],"Finally,":[161],"apply":[163],"transformer":[165],"perform":[167],"self-attention":[168],"learned":[171],"final":[175],"classification.":[176],"Extensive":[177],"experiments":[178],"are":[179],"conducted":[180],"two":[182],"large-scale":[183],"datasets,":[184],"subsets":[187],"NTU":[189,193],"RGB+D":[190,194],"60":[191],"120.":[195],"The":[196],"results":[197],"show":[198],"that":[199],"our":[200],"outperforms":[202],"state-of-the-art":[203],"approaches":[204],"most":[206],"standard":[207],"evaluation":[208]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2}],"updated_date":"2026-08-01T09:00:35.917206","created_date":"2025-10-10T00:00:00"}
