{"id":"https://openalex.org/W4312955155","doi":"https://doi.org/10.1109/mmsp55362.2022.9949249","title":"Optimizing Federated Unsupervised Person Re-identification via Camera-aware Clustering","display_name":"Optimizing Federated Unsupervised Person Re-identification via Camera-aware Clustering","publication_year":2022,"publication_date":"2022-09-26","ids":{"openalex":"https://openalex.org/W4312955155","doi":"https://doi.org/10.1109/mmsp55362.2022.9949249"},"language":"en","primary_location":{"id":"doi:10.1109/mmsp55362.2022.9949249","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mmsp55362.2022.9949249","pdf_url":null,"source":{"id":"https://openalex.org/S4363605768","display_name":"2022 IEEE 24th International Workshop on Multimedia Signal Processing (MMSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 24th International Workshop on Multimedia Signal Processing (MMSP)","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/A5075326625","display_name":"Jiabei Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Jiabei Liu","raw_affiliation_strings":["Nanyang Technological University,Singapore","Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"Nanyang Technological University,Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010841022","display_name":"Weiming Zhuang","orcid":"https://orcid.org/0000-0001-8243-7772"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Weiming Zhuang","raw_affiliation_strings":["Nanyang Technological University,Singapore","Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"Nanyang Technological University,Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041572550","display_name":"Yonggang Wen","orcid":"https://orcid.org/0000-0002-2751-5114"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yonggang Wen","raw_affiliation_strings":["Nanyang Technological University,Singapore","Nanyang Technological University, Singapore"],"affiliations":[{"raw_affiliation_string":"Nanyang Technological University,Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108705811","display_name":"Jun Huang","orcid":"https://orcid.org/0000-0003-4939-3880"},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Huang","raw_affiliation_strings":["Alibaba Group,Hangzhou,China","Alibaba Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Alibaba Group,Hangzhou,China","institution_ids":["https://openalex.org/I45928872"]},{"raw_affiliation_string":"Alibaba Group, Hangzhou, China","institution_ids":["https://openalex.org/I45928872"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100636010","display_name":"Wei Lin","orcid":"https://orcid.org/0000-0001-8425-956X"},"institutions":[{"id":"https://openalex.org/I45928872","display_name":"Alibaba Group (China)","ror":"https://ror.org/00k642b80","country_code":"CN","type":"company","lineage":["https://openalex.org/I45928872"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wei Lin","raw_affiliation_strings":["Alibaba Group,Hangzhou,China","Alibaba Group, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"Alibaba Group,Hangzhou,China","institution_ids":["https://openalex.org/I45928872"]},{"raw_affiliation_string":"Alibaba Group, Hangzhou, China","institution_ids":["https://openalex.org/I45928872"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5075326625"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":0.3579,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.68455423,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":1.0,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":1.0,"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/T11448","display_name":"Face recognition and analysis","score":0.9966999888420105,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9927999973297119,"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/computer-science","display_name":"Computer science","score":0.8645169734954834},{"id":"https://openalex.org/keywords/raw-data","display_name":"Raw data","score":0.6564440727233887},{"id":"https://openalex.org/keywords/identification","display_name":"Identification (biology)","score":0.6554079651832581},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6470051407814026},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.6195341944694519},{"id":"https://openalex.org/keywords/federated-learning","display_name":"Federated learning","score":0.5558903813362122},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.5279102921485901},{"id":"https://openalex.org/keywords/deep-learning","display_name":"Deep learning","score":0.49212759733200073},{"id":"https://openalex.org/keywords/variation","display_name":"Variation (astronomy)","score":0.47237733006477356}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8645169734954834},{"id":"https://openalex.org/C132964779","wikidata":"https://www.wikidata.org/wiki/Q2110223","display_name":"Raw data","level":2,"score":0.6564440727233887},{"id":"https://openalex.org/C116834253","wikidata":"https://www.wikidata.org/wiki/Q2039217","display_name":"Identification (biology)","level":2,"score":0.6554079651832581},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6470051407814026},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.6195341944694519},{"id":"https://openalex.org/C2992525071","wikidata":"https://www.wikidata.org/wiki/Q50818671","display_name":"Federated learning","level":2,"score":0.5558903813362122},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.5279102921485901},{"id":"https://openalex.org/C108583219","wikidata":"https://www.wikidata.org/wiki/Q197536","display_name":"Deep learning","level":2,"score":0.49212759733200073},{"id":"https://openalex.org/C2778334786","wikidata":"https://www.wikidata.org/wiki/Q1586270","display_name":"Variation (astronomy)","level":2,"score":0.47237733006477356},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mmsp55362.2022.9949249","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mmsp55362.2022.9949249","pdf_url":null,"source":{"id":"https://openalex.org/S4363605768","display_name":"2022 IEEE 24th International Workshop on Multimedia Signal Processing (MMSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2022 IEEE 24th International Workshop on Multimedia Signal Processing (MMSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5899999737739563,"id":"https://metadata.un.org/sdg/10","display_name":"Reduced inequalities"},{"score":0.4099999964237213,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W760855798","https://openalex.org/W1518138188","https://openalex.org/W1596233070","https://openalex.org/W1602182271","https://openalex.org/W1673310716","https://openalex.org/W1982925187","https://openalex.org/W1994616650","https://openalex.org/W2070784585","https://openalex.org/W2194775991","https://openalex.org/W2204750386","https://openalex.org/W2585635281","https://openalex.org/W2798991696","https://openalex.org/W2891440844","https://openalex.org/W2904427185","https://openalex.org/W2953214814","https://openalex.org/W2957037461","https://openalex.org/W2962859295","https://openalex.org/W2963842104","https://openalex.org/W2963975998","https://openalex.org/W2990827756","https://openalex.org/W2995852213","https://openalex.org/W3007744269","https://openalex.org/W3034607353","https://openalex.org/W3035524453","https://openalex.org/W3080411117","https://openalex.org/W3087124270","https://openalex.org/W3100760018","https://openalex.org/W3163538250","https://openalex.org/W3169482982","https://openalex.org/W3176033671","https://openalex.org/W3185016686","https://openalex.org/W3193972328","https://openalex.org/W3206845050","https://openalex.org/W4205429547","https://openalex.org/W4223512566","https://openalex.org/W4295312788","https://openalex.org/W4318619660","https://openalex.org/W6636160605","https://openalex.org/W6637131181","https://openalex.org/W6728757088","https://openalex.org/W6766978945","https://openalex.org/W6771395016","https://openalex.org/W6799133303","https://openalex.org/W6809974011"],"related_works":["https://openalex.org/W2386430105","https://openalex.org/W2356521405","https://openalex.org/W2038534795","https://openalex.org/W2384358604","https://openalex.org/W4298221930","https://openalex.org/W1567829292","https://openalex.org/W3001063351","https://openalex.org/W3196905815","https://openalex.org/W4385544042","https://openalex.org/W3039437223"],"abstract_inverted_index":{"Person":[0],"re-identification":[1],"(ReID)":[2],"is":[3],"a":[4,80,199],"critical":[5],"computer":[6],"vision":[7],"problem":[8],"which":[9],"identifies":[10],"individuals":[11],"from":[12,27,57,93],"non-overlapping":[13],"cameras.":[14,130],"Many":[15],"recent":[16],"works":[17],"on":[18,119,152,175,184,194],"person":[19,47,53,83,101,154],"ReID":[20,54,84,102,155],"achieve":[21],"remarkable":[22],"performance":[23,170],"by":[24,104,121,171,180],"extracting":[25],"features":[26],"large":[28,185],"amounts":[29],"of":[30,40,46,69,109,202],"data":[31],"using":[32],"deep":[33],"neural":[34],"networks.":[35],"However,":[36],"the":[37,44,67,146,162],"growing":[38],"awareness":[39],"privacy":[41],"concerns":[42],"limits":[43],"development":[45],"ReID.":[48],"Prior":[49],"studies":[50],"employ":[51],"federated":[52,81,164,196],"to":[55,90,128,144,173],"learn":[56],"decentralized":[58,94],"edges":[59,120],"without":[60],"sharing":[61],"raw":[62,110],"data,":[63],"but":[64],"they":[65],"overlook":[66],"variation":[68],"identities":[70],"in":[71],"different":[72,129],"camera":[73,88],"views.":[74],"Concerning":[75],"this":[76,189],"issue,":[77],"we":[78],"propose":[79],"unsupervised":[82],"(FedUCA)":[85],"that":[86],"leverages":[87],"information":[89],"improve":[91],"learning":[92,135,165,197],"unlabeled":[95,116],"data.":[96,111],"Specifically,":[97],"FedUCA":[98],"jointly":[99],"learns":[100],"models":[103],"transmitting":[105],"training":[106],"updates":[107],"instead":[108],"We":[112,131,187],"generate":[113],"pseudo-labels":[114],"for":[115],"local":[117],"datasets":[118],"clustering":[122],"them":[123],"into":[124],"multiple":[125],"groups":[126],"according":[127],"then":[132],"introduce":[133],"contrastive":[134],"with":[136],"an":[137,141],"intra-camera":[138],"loss":[139,143],"and":[140,178],"inter-camera":[142],"enhance":[145],"discrimination":[147],"ability.":[148],"In":[149],"extensive":[150],"experiments":[151],"eight":[153],"datasets,":[156,177],"our":[157],"proposed":[158],"approach":[159],"significantly":[160],"outperforms":[161],"state-of-the-art":[163],"based":[166],"method.":[167],"It":[168],"improves":[169],"6%":[172],"32%":[174],"these":[176],"notably":[179],"over":[181],"25":[182],"%":[183],"datasets.":[186],"hope":[188],"paper":[190],"will":[191],"shed":[192],"light":[193],"optimizing":[195],"across":[198],"broader":[200],"range":[201],"multimedia":[203],"applications.":[204]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-23T09:07:50.710637","created_date":"2025-10-10T00:00:00"}