{"id":"https://openalex.org/W4388283694","doi":"https://doi.org/10.1109/tmm.2023.3330112","title":"CoLive: Edge-Assisted Clustered Learning Framework for Viewport Prediction in 360$^{\\circ }$ Live Streaming","display_name":"CoLive: Edge-Assisted Clustered Learning Framework for Viewport Prediction in 360$^{\\circ }$ Live Streaming","publication_year":2023,"publication_date":"2023-11-03","ids":{"openalex":"https://openalex.org/W4388283694","doi":"https://doi.org/10.1109/tmm.2023.3330112"},"language":"en","primary_location":{"id":"doi:10.1109/tmm.2023.3330112","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2023.3330112","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":"https://openalex.org/A5101730758","display_name":"Mu Wang","orcid":"https://orcid.org/0000-0003-1147-911X"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mu Wang","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, P. R. China"],"raw_orcid":"https://orcid.org/0000-0003-1147-911X","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, P. R. China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101729747","display_name":"Xingyan Chen","orcid":"https://orcid.org/0000-0003-0861-2100"},"institutions":[{"id":"https://openalex.org/I204831749","display_name":"Southwestern University of Finance and Economics","ror":"https://ror.org/04ewct822","country_code":"CN","type":"education","lineage":["https://openalex.org/I204831749"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xingyan Chen","raw_affiliation_strings":["Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, China","Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, P. R. China"],"raw_orcid":"https://orcid.org/0000-0003-0861-2100","affiliations":[{"raw_affiliation_string":"Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, China","institution_ids":["https://openalex.org/I204831749"]},{"raw_affiliation_string":"Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, P. R. China","institution_ids":["https://openalex.org/I204831749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108866324","display_name":"Xu Yang","orcid":null},"institutions":[{"id":"https://openalex.org/I204831749","display_name":"Southwestern University of Finance and Economics","ror":"https://ror.org/04ewct822","country_code":"CN","type":"education","lineage":["https://openalex.org/I204831749"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xu Yang","raw_affiliation_strings":["Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, China","Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, China","institution_ids":["https://openalex.org/I204831749"]},{"raw_affiliation_string":"Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, P. R. China","institution_ids":["https://openalex.org/I204831749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101838468","display_name":"P. Shuai","orcid":"https://orcid.org/0000-0002-7533-5927"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Peng","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, P. R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, P. R. China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100660064","display_name":"Yu Zhao","orcid":"https://orcid.org/0000-0002-8454-0025"},"institutions":[{"id":"https://openalex.org/I204831749","display_name":"Southwestern University of Finance and Economics","ror":"https://ror.org/04ewct822","country_code":"CN","type":"education","lineage":["https://openalex.org/I204831749"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Zhao","raw_affiliation_strings":["Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, China","Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, P. R. China"],"raw_orcid":"https://orcid.org/0000-0002-8454-0025","affiliations":[{"raw_affiliation_string":"Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, China","institution_ids":["https://openalex.org/I204831749"]},{"raw_affiliation_string":"Financial Intelligence and Financial Engineering Key Laboratory of Sichuan Province, Institute of Digital Economy and Interdisciplinary Science Innovation, Southwestern University of Finance and Economics, Chengdu, P. R. China","institution_ids":["https://openalex.org/I204831749"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100771111","display_name":"Mingwei Xu","orcid":"https://orcid.org/0000-0002-4847-4585"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingwei Xu","raw_affiliation_strings":["Department of Computer Science and Technology &amp; BNRist, Tsinghua University, Beijing, China","Department of Computer Science and Technology & BNRist, Tsinghua University, Beijing, P. R. China"],"raw_orcid":"https://orcid.org/0000-0002-4847-4585","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Technology &amp; BNRist, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Department of Computer Science and Technology & BNRist, Tsinghua University, Beijing, P. R. China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069646989","display_name":"Changqiao Xu","orcid":"https://orcid.org/0000-0003-1467-1086"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Changqiao Xu","raw_affiliation_strings":["State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, P. R. China"],"raw_orcid":"https://orcid.org/0000-0003-1467-1086","affiliations":[{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]},{"raw_affiliation_string":"State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing, P. R. China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2763,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.82584761,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"26","issue":null,"first_page":"5078","last_page":"5091"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11165","display_name":"Image and Video Quality Assessment","score":0.9998999834060669,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9998999834060669,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10170","display_name":"Retinal Diseases and Treatments","score":0.9717000126838684,"subfield":{"id":"https://openalex.org/subfields/2731","display_name":"Ophthalmology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6529123187065125},{"id":"https://openalex.org/keywords/notation","display_name":"Notation","score":0.4838913381099701},{"id":"https://openalex.org/keywords/login","display_name":"Login","score":0.43135330080986023},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.4202558994293213},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4088422656059265},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34629321098327637},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19601547718048096},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.10881209373474121}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6529123187065125},{"id":"https://openalex.org/C45357846","wikidata":"https://www.wikidata.org/wiki/Q2001982","display_name":"Notation","level":2,"score":0.4838913381099701},{"id":"https://openalex.org/C113324615","wikidata":"https://www.wikidata.org/wiki/Q472302","display_name":"Login","level":2,"score":0.43135330080986023},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.4202558994293213},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4088422656059265},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34629321098327637},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19601547718048096},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.10881209373474121},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmm.2023.3330112","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2023.3330112","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/G1983239249","display_name":null,"funder_award_id":"62302400","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2684640759","display_name":null,"funder_award_id":"62101301","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4021201027","display_name":null,"funder_award_id":"2023RC79","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"},{"id":"https://openalex.org/G4917731782","display_name":null,"funder_award_id":"62225105","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":25,"referenced_works":["https://openalex.org/W1485009520","https://openalex.org/W2288514685","https://openalex.org/W2622637199","https://openalex.org/W2623181870","https://openalex.org/W2765239030","https://openalex.org/W2766324256","https://openalex.org/W2766426138","https://openalex.org/W2799064164","https://openalex.org/W2884414611","https://openalex.org/W2895957446","https://openalex.org/W2953050025","https://openalex.org/W2963503775","https://openalex.org/W2996939355","https://openalex.org/W3005647066","https://openalex.org/W3017189976","https://openalex.org/W3032056119","https://openalex.org/W3038754372","https://openalex.org/W3128182885","https://openalex.org/W3141438256","https://openalex.org/W4210920281","https://openalex.org/W4221123607","https://openalex.org/W4243538177","https://openalex.org/W4293518102","https://openalex.org/W4316661088","https://openalex.org/W6631190155"],"related_works":["https://openalex.org/W4235220108","https://openalex.org/W4256170434","https://openalex.org/W4233948907","https://openalex.org/W4238894392","https://openalex.org/W4311722428","https://openalex.org/W2357607877","https://openalex.org/W4238771742","https://openalex.org/W4235839583","https://openalex.org/W4396833206","https://openalex.org/W4243085862"],"abstract_inverted_index":{"The":[0,136],"exceptionally":[1],"high":[2],"bandwidth":[3,25,190],"requirement":[4],"for":[5,45,69,82],"delivering":[6],"high-quality":[7],"live":[8,46,62,92],"360":[9,47,87,168],"<inline-formula":[10,48,88,169],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[11,49,79,89,95,170,179],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[12,50,90,171],"notation=\"LaTeX\">$^\\circ$</tex-math></inline-formula>":[13,51,91,172],"video":[14,173],"poses":[15],"a":[16,75,130,152],"significant":[17],"challenge":[18],"to":[19,32,57,106,114,128,142,150],"current":[20],"network":[21],"capacity.":[22],"Mitigating":[23],"such":[24],"starvation":[26],"necessitates":[27],"accurate":[28],"field-of-view":[29],"(FoV)":[30],"prediction":[31,44,99,187],"focus":[33],"limited":[34,66],"resources":[35],"on":[36,119,165],"the":[37,58,65,84,107,115,166],"viewer's":[38],"area":[39],"of":[40,61,122,186],"interest.":[41],"However,":[42],"FoV":[43,85,98],"streaming":[52],"can":[53],"be":[54],"complex":[55],"due":[56],"time-sensitive":[59],"nature":[60],"content":[63],"and":[64,109,147,175,189],"knowledge":[67],"available":[68],"model":[70,102,144,154],"training.":[71],"Our":[72],"paper":[73],"introduces":[74],"novel":[76,131],"framework,":[77],"<italic":[78,94,178],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">CoLive</i>":[80,96,180],",":[81],"predicting":[83],"in":[86,184],"streaming.":[93],"accelerates":[97],"by":[100],"offloading":[101],"training":[103],"from":[104],"viewers":[105],"edge":[108],"migrating":[110],"saliency":[111],"feature":[112],"detection":[113],"server":[116],"side.":[117],"Observations":[118],"user":[120],"clustering":[121],"viewing":[123,159],"behaviors":[124],"further":[125],"motivate":[126],"us":[127],"propose":[129],"dynamic":[132],"clustered":[133],"learning":[134],"algorithm.":[135],"algorithm":[137],"dynamically":[138],"groups":[139],"users":[140],"according":[141],"their":[143,158],"update":[145],"gradients":[146],"enables":[148],"them":[149],"train":[151],"shared":[153],"that":[155,177],"better":[156],"suits":[157],"preferences.":[160],"We":[161],"conduct":[162],"extensive":[163],"experiments":[164],"public":[167],"datasets":[174],"demonstrate":[176],"outperforms":[181],"state-of-the-art":[182],"solutions":[183],"terms":[185],"performance":[188],"savings.":[191]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}