{"id":"https://openalex.org/W4406857674","doi":"https://doi.org/10.1109/tmm.2025.3535331","title":"Cluster Assumption-Guided Timestamp-Supervised Temporal Action Segmentation","display_name":"Cluster Assumption-Guided Timestamp-Supervised Temporal Action Segmentation","publication_year":2025,"publication_date":"2025-01-01","ids":{"openalex":"https://openalex.org/W4406857674","doi":"https://doi.org/10.1109/tmm.2025.3535331"},"language":"en","primary_location":{"id":"doi:10.1109/tmm.2025.3535331","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2025.3535331","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"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 Multimedia","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":null,"display_name":"Ziyou Ren","orcid":"https://orcid.org/0009-0008-6724-1892"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ziyou Ren","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, China","State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102784548","display_name":"Guozhang Li","orcid":"https://orcid.org/0000-0002-7069-7486"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guozhang Li","raw_affiliation_strings":["School of Artificial Intelligence, Beijing Normal University, Beijing, China","School of Artificial Intelligence, Beijing Normal University, Haidian District, Beijing, China"],"affiliations":[{"raw_affiliation_string":"School of Artificial Intelligence, Beijing Normal University, Beijing, China","institution_ids":["https://openalex.org/I25254941"]},{"raw_affiliation_string":"School of Artificial Intelligence, Beijing Normal University, Haidian District, Beijing, China","institution_ids":["https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050651525","display_name":"Nan Cheng","orcid":"https://orcid.org/0000-0001-7907-2071"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nan Cheng","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, China","State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113325655","display_name":"Anqi Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I130701444","display_name":"Georgia Institute of Technology","ror":"https://ror.org/01zkghx44","country_code":"US","type":"education","lineage":["https://openalex.org/I130701444"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Anqi Wu","raw_affiliation_strings":["School of Computational Science and Engineering, College of Computing, Georgia Institute of Technology, Atlanta, GA, USA"],"affiliations":[{"raw_affiliation_string":"School of Computational Science and Engineering, College of Computing, Georgia Institute of Technology, Atlanta, GA, USA","institution_ids":["https://openalex.org/I130701444"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042507268","display_name":"Nannan Wang","orcid":"https://orcid.org/0000-0002-4695-6134"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nannan Wang","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, China","State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, School of Telecommunications Engineering, Xidian University, Xi'an, Shaanxi, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101785348","display_name":"Xinbo Gao","orcid":"https://orcid.org/0000-0002-7985-0037"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinbo Gao","raw_affiliation_strings":["School of Electronic Engineering, Xidian University, Xi'an, China"],"affiliations":[{"raw_affiliation_string":"School of Electronic Engineering, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149594827"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0093438,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"27","issue":null,"first_page":"4206","last_page":"4216"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9994000196456909,"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":0.9994000196456909,"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":0.9943000078201294,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9890999794006348,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8526455163955688},{"id":"https://openalex.org/keywords/timestamp","display_name":"Timestamp","score":0.809871256351471},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.5530216097831726},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5141370892524719},{"id":"https://openalex.org/keywords/cluster","display_name":"Cluster (spacecraft)","score":0.4893335700035095},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4421302378177643},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3510781228542328},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.35047608613967896},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.10369804501533508}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8526455163955688},{"id":"https://openalex.org/C113954288","wikidata":"https://www.wikidata.org/wiki/Q186885","display_name":"Timestamp","level":2,"score":0.809871256351471},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.5530216097831726},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5141370892524719},{"id":"https://openalex.org/C164866538","wikidata":"https://www.wikidata.org/wiki/Q367351","display_name":"Cluster (spacecraft)","level":2,"score":0.4893335700035095},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4421302378177643},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3510781228542328},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.35047608613967896},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.10369804501533508},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmm.2025.3535331","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2025.3535331","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"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 Multimedia","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2452297484","display_name":null,"funder_award_id":"QTZX23042","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G4297946667","display_name":null,"funder_award_id":"U22A2096","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4395595032","display_name":null,"funder_award_id":"62441601","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G913836228","display_name":null,"funder_award_id":"62036007","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"},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":56,"referenced_works":["https://openalex.org/W153185079","https://openalex.org/W1967686239","https://openalex.org/W2019660985","https://openalex.org/W2031688197","https://openalex.org/W2097308346","https://openalex.org/W2099614498","https://openalex.org/W2108710284","https://openalex.org/W2109698606","https://openalex.org/W2142258645","https://openalex.org/W2152825437","https://openalex.org/W2159291644","https://openalex.org/W2314362175","https://openalex.org/W2461621749","https://openalex.org/W2477205648","https://openalex.org/W2530494944","https://openalex.org/W2535977253","https://openalex.org/W2550143307","https://openalex.org/W2553594924","https://openalex.org/W2598525681","https://openalex.org/W2775795276","https://openalex.org/W2798345491","https://openalex.org/W2913950831","https://openalex.org/W2962916463","https://openalex.org/W2963524571","https://openalex.org/W2963642716","https://openalex.org/W2963853051","https://openalex.org/W2995113766","https://openalex.org/W2998702159","https://openalex.org/W2999794487","https://openalex.org/W3008576587","https://openalex.org/W3008872739","https://openalex.org/W3009622574","https://openalex.org/W3034687522","https://openalex.org/W3083550439","https://openalex.org/W3108772932","https://openalex.org/W3119038403","https://openalex.org/W3173698268","https://openalex.org/W3180945712","https://openalex.org/W4200633745","https://openalex.org/W4225271941","https://openalex.org/W4283834781","https://openalex.org/W4312409866","https://openalex.org/W4312719441","https://openalex.org/W4312982010","https://openalex.org/W4313555695","https://openalex.org/W4320713037","https://openalex.org/W4385767495","https://openalex.org/W4386076624","https://openalex.org/W4402780112","https://openalex.org/W4411245031","https://openalex.org/W6603760306","https://openalex.org/W6636599907","https://openalex.org/W6675747103","https://openalex.org/W6676772307","https://openalex.org/W6717772578","https://openalex.org/W6743428213"],"related_works":["https://openalex.org/W2060561905","https://openalex.org/W1417711376","https://openalex.org/W2032260263","https://openalex.org/W1986883493","https://openalex.org/W2469862403","https://openalex.org/W2166378262","https://openalex.org/W2035891203","https://openalex.org/W4379524643","https://openalex.org/W2011027677","https://openalex.org/W2367807705"],"abstract_inverted_index":{"Current":[0],"timestamp-supervised":[1],"temporal":[2],"action":[3,58,69],"segmentation":[4],"(TS-TAS)":[5],"methods":[6],"typically":[7],"follow":[8],"a":[9,106,148,164],"two-phase":[10],"pipeline:":[11],"initializing":[12,37],"the":[13,26,38,56,61,67,77,87,92,114,129,158,198,204,222],"model":[14,39,97],"with":[15,21,40,125,203],"timestamp":[16,29,42,52],"labels":[17],"and":[18,186],"refining":[19],"it":[20],"pseudo-labels.":[22,207],"However,":[23],"limited":[24],"by":[25,76],"sparsity":[27],"of":[28,80,160,177],"annotations,":[30],"current":[31],"methods'":[32],"performance":[33],"is":[34,201],"sub-optimal.":[35],"Specifically,":[36,103],"only":[41],"annotations":[43,53],"may":[44],"cause":[45],"overfitting":[46],"to":[47,72,112,131,142,151,156,181],"labeled":[48,139],"frames.":[49,119],"Additionally,":[50],"sparse":[51],"cannot":[54],"capture":[55],"diverse":[57],"representations":[59,127],"throughout":[60],"whole":[62],"instance,":[63],"especially":[64],"those":[65],"near":[66],"ambiguous":[68],"boundaries,":[70],"leading":[71],"pseudo-label":[73,161],"noise.":[74],"Inspired":[75],"cluster":[78],"assumption":[79],"semi-supervised":[81],"learning":[82],"(SSL)":[83],"that":[84,215],"points":[85],"within":[86,128],"same":[88,93],"manifold":[89],"likely":[90],"share":[91],"label,":[94],"we":[95,104,146,216],"here":[96],"TS-TAS":[98],"as":[99],"an":[100],"SSL":[101],"problem.":[102],"propose":[105],"Temporal":[107],"Embedding":[108],"Consistency":[109],"(TEC)":[110],"strategy":[111,122,150,170],"mitigate":[113,157],"excessive":[115],"focus":[116],"on":[117,211],"annotated":[118],"The":[120,168],"TEC":[121],"encourages":[123],"frames":[124,190],"similar":[126,133],"video":[130,200],"have":[132],"classification":[134],"probability":[135],"distributions,":[136],"thereby":[137],"propagating":[138],"frames'":[140],"information":[141],"implicit":[143],"ones.":[144],"Besides,":[145],"design":[147],"TS-Mix":[149,169],"further":[152],"leverage":[153],"unlabeled":[154],"data":[155],"influence":[159],"noise":[162],"in":[163],"consistency":[165],"regularization":[166],"manner.":[167],"includes":[171],"intra-mix,":[172],"which":[173,188],"adds":[174],"linear":[175],"interpolation":[176],"two":[178,192],"adjacent":[179],"timestamps":[180],"every":[182],"frame":[183],"between":[184],"them,":[185],"inter-mix,":[187],"mixes":[189],"from":[191],"different":[193,212],"untrimmed":[194],"videos":[195],"frame-by-frame.":[196],"Then":[197],"mixed":[199,206],"trained":[202],"correspondingly":[205],"Comprehensive":[208],"experimental":[209],"results":[210],"benchmarks":[213],"show":[214],"achieve":[217],"new":[218],"state-of-the-art":[219],"performances.":[220,233],"Furthermore,":[221],"proposed":[223],"method":[224],"can":[225],"seamlessly":[226],"enhance":[227],"existing":[228],"methods,":[229],"significantly":[230],"improving":[231],"their":[232]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}