{"id":"https://openalex.org/W4312643907","doi":"https://doi.org/10.1109/access.2022.3225231","title":"Viewport-Dependent Delivery for Conversational Immersive Video","display_name":"Viewport-Dependent Delivery for Conversational Immersive Video","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4312643907","doi":"https://doi.org/10.1109/access.2022.3225231"},"language":"en","primary_location":{"id":"doi:10.1109/access.2022.3225231","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3225231","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09964346.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09964346.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5029948271","display_name":"Saba Ahsan","orcid":"https://orcid.org/0000-0002-5028-6161"},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Saba Ahsan","raw_affiliation_strings":["Nokia Technologies, Espoo, Finland"],"raw_orcid":"https://orcid.org/0000-0002-5028-6161","affiliations":[{"raw_affiliation_string":"Nokia Technologies, Espoo, Finland","institution_ids":["https://openalex.org/I2738502077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103007342","display_name":"Sujeet Mate","orcid":"https://orcid.org/0000-0001-9369-8265"},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Sujeet Mate","raw_affiliation_strings":["Nokia Technologies, Tampere, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nokia Technologies, Tampere, Finland","institution_ids":["https://openalex.org/I2738502077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031358693","display_name":"Igor D. D. Curcio","orcid":"https://orcid.org/0000-0002-2234-933X"},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Igor D. D. Curcio","raw_affiliation_strings":["Nokia Technologies, Tampere, Finland"],"raw_orcid":"https://orcid.org/0000-0002-2234-933X","affiliations":[{"raw_affiliation_string":"Nokia Technologies, Tampere, Finland","institution_ids":["https://openalex.org/I2738502077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014058642","display_name":"Alireza Aminlou","orcid":null},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Alireza Aminlou","raw_affiliation_strings":["Nokia Technologies, Tampere, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nokia Technologies, Tampere, Finland","institution_ids":["https://openalex.org/I2738502077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5090209124","display_name":"Yu You","orcid":"https://orcid.org/0000-0002-5273-1740"},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Yu You","raw_affiliation_strings":["Nokia Technologies, Tampere, Finland"],"raw_orcid":"https://orcid.org/0000-0002-5273-1740","affiliations":[{"raw_affiliation_string":"Nokia Technologies, Tampere, Finland","institution_ids":["https://openalex.org/I2738502077"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015289739","display_name":"Emre Aksu","orcid":"https://orcid.org/0000-0001-7363-2824"},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Emre B. Aksu","raw_affiliation_strings":["Nokia Technologies, Tampere, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nokia Technologies, Tampere, Finland","institution_ids":["https://openalex.org/I2738502077"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044816664","display_name":"Miska M. Hannuksela","orcid":"https://orcid.org/0000-0003-3405-0850"},"institutions":[{"id":"https://openalex.org/I2738502077","display_name":"Nokia (Finland)","ror":"https://ror.org/04pkc8m17","country_code":"FI","type":"company","lineage":["https://openalex.org/I2738502077"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Miska M. Hannuksela","raw_affiliation_strings":["Nokia Technologies, Tampere, Finland"],"raw_orcid":"https://orcid.org/0000-0003-3405-0850","affiliations":[{"raw_affiliation_string":"Nokia Technologies, Tampere, Finland","institution_ids":["https://openalex.org/I2738502077"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2738502077"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.0979,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.39115562,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"10","issue":null,"first_page":"129539","last_page":"129551"},"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":0.9998000264167786,"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/T12720","display_name":"Multimedia Communication and Technology","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/viewport","display_name":"Viewport","score":0.9846546649932861},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8653409481048584},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.6673767566680908},{"id":"https://openalex.org/keywords/videotelephony","display_name":"Videotelephony","score":0.4724077582359314},{"id":"https://openalex.org/keywords/interactive-television","display_name":"Interactive television","score":0.4195978045463562},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.3462124764919281},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3237754702568054},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.17415514588356018}],"concepts":[{"id":"https://openalex.org/C2778090530","wikidata":"https://www.wikidata.org/wiki/Q2523931","display_name":"Viewport","level":2,"score":0.9846546649932861},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8653409481048584},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.6673767566680908},{"id":"https://openalex.org/C540522513","wikidata":"https://www.wikidata.org/wiki/Q854954","display_name":"Videotelephony","level":2,"score":0.4724077582359314},{"id":"https://openalex.org/C543280262","wikidata":"https://www.wikidata.org/wiki/Q874342","display_name":"Interactive television","level":2,"score":0.4195978045463562},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.3462124764919281},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3237754702568054},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.17415514588356018}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2022.3225231","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3225231","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09964346.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:b8e59e685da8474a83a23134631968f1","is_oa":true,"landing_page_url":"https://doaj.org/article/b8e59e685da8474a83a23134631968f1","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","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":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 10, Pp 129539-129551 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2022.3225231","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3225231","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09964346.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Partnerships for the goals","id":"https://metadata.un.org/sdg/17","score":0.5799999833106995}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4312643907.pdf","grobid_xml":"https://content.openalex.org/works/W4312643907.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1972051860","https://openalex.org/W2099040451","https://openalex.org/W2101700394","https://openalex.org/W2271548350","https://openalex.org/W2296421745","https://openalex.org/W2307064766","https://openalex.org/W2523974527","https://openalex.org/W2623784065","https://openalex.org/W2809517867","https://openalex.org/W2917103012","https://openalex.org/W2972045050","https://openalex.org/W3031888552","https://openalex.org/W3116756703","https://openalex.org/W3135068673","https://openalex.org/W3202918664","https://openalex.org/W3206974618","https://openalex.org/W4229785328","https://openalex.org/W4242138061"],"related_works":["https://openalex.org/W2355862304","https://openalex.org/W2130966263","https://openalex.org/W2356108042","https://openalex.org/W2030250808","https://openalex.org/W2376796979","https://openalex.org/W2379418341","https://openalex.org/W2380054981","https://openalex.org/W2393110101","https://openalex.org/W4312643907","https://openalex.org/W2470392934"],"abstract_inverted_index":{"Real-time":[0],"immersive":[1,106,167],"video":[2,68,84,111,138,168],"has":[3,21,94,139],"been":[4,95],"an":[5],"area":[6],"of":[7,28,65,81,101,105,157,215],"interest":[8],"for":[9,41,55,161,196],"the":[10,16,26,63,66,71,79,82,99,109,118,126,147,155,172,175,181,209,213,254],"research":[11],"and":[12,73,117,123,184,192,198],"standardization":[13],"community":[14],"over":[15,45],"past":[17],"few":[18,159],"years.":[19],"It":[20],"gained":[22],"particular":[23],"importance":[24],"in":[25,70,98,114,154,219,241],"era":[27],"5G":[29],"services.":[30],"3GPP":[31],"(Third":[32],"Generation":[33],"Partnership":[34],"Project)":[35],"Release":[36],"17":[37],"includes":[38],"Immersive":[39],"teleconferencing":[40],"Multimedia":[42,47],"Telephony":[43],"services":[44],"IP":[46],"System.":[48],"Viewport-dependent":[49],"delivery":[50,177,240],"(VDD)":[51],"is":[52,112,121,153],"a":[53,86,158,162,235],"mechanism":[54],"bandwidth":[56,186],"savings":[57],"by":[58,125],"assigning":[59],"more":[60,140],"bits":[61,77],"to":[62,78,151,180,202,212,238],"part":[64],"360-degree":[67,83,110],"currently":[69,90],"viewport":[72,134,183,193],"fewer":[74],"or":[75],"no":[76],"areas":[80],"that":[85,228,251],"user":[87,164,182],"does":[88],"not":[89,232],"view.":[91],"The":[92],"technique":[93],"extensively":[96],"studied":[97],"context":[100],"adaptive":[102],"HTTP":[103,145],"streaming":[104],"video,":[107],"where":[108],"pre-encoded":[113],"different":[115],"versions,":[116],"appropriate":[119],"version":[120],"selected":[122],"requested":[124],"viewer\u2019s":[127],"client":[128],"application,":[129],"depending":[130],"on":[131,223],"their":[132],"current":[133],"orientation.":[135],"However,":[136],"conversational":[137,203,220,242],"stringent":[141],"latency":[142],"requirements":[143],"than":[144],"streaming;":[146],"time":[148],"from":[149],"capture":[150],"rendering":[152],"order":[156],"milliseconds":[160],"good":[163],"experience.":[165],"Conversational":[166],"also":[169,246],"allows":[170],"adapting":[171],"encoding":[173,195],"during":[174],"media":[176],"session":[178],"according":[179],"network":[185],"characteristics.":[187],"This":[188],"paper":[189],"explores":[190],"tile-based":[191],"region":[194],"VDD":[197,229,255],"how":[199],"they":[200],"apply":[201],"video.":[204,221],"In":[205],"particular,":[206],"we":[207,226],"explore":[208],"challenges":[210],"related":[211],"absence":[214],"periodic":[216],"intra-coded":[217],"frames":[218],"Based":[222],"simulation":[224],"results,":[225],"show":[227],"methods":[230],"may":[231],"always":[233],"be":[234],"performant":[236],"alternative":[237],"viewport-independent":[239],"use":[243],"cases.":[244],"We":[245],"discuss":[247],"possible":[248],"encoder":[249],"optimization":[250],"would":[252],"improve":[253],"performance.":[256]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}