{"id":"https://openalex.org/W4224933746","doi":"https://doi.org/10.1109/icassp43922.2022.9746745","title":"OPTE: Online Per-Title Encoding for Live Video Streaming","display_name":"OPTE: Online Per-Title Encoding for Live Video Streaming","publication_year":2022,"publication_date":"2022-04-27","ids":{"openalex":"https://openalex.org/W4224933746","doi":"https://doi.org/10.1109/icassp43922.2022.9746745"},"language":"en","primary_location":{"id":"doi:10.1109/icassp43922.2022.9746745","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp43922.2022.9746745","pdf_url":null,"source":{"id":"https://openalex.org/S4363607702","display_name":"ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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":"ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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/A5091049711","display_name":"Vignesh V Menon","orcid":null},"institutions":[{"id":"https://openalex.org/I4210106988","display_name":"Christian Doppler Klinik","ror":"https://ror.org/01fpkt395","country_code":"AT","type":"healthcare","lineage":["https://openalex.org/I4210106988"]}],"countries":["AT"],"is_corresponding":true,"raw_author_name":"Vignesh V Menon","raw_affiliation_strings":["Alpen-Adria-Universit&#x00E4;t,Christian Doppler Laboratory ATHENA,Klagenfurt,Austria"],"affiliations":[{"raw_affiliation_string":"Alpen-Adria-Universit&#x00E4;t,Christian Doppler Laboratory ATHENA,Klagenfurt,Austria","institution_ids":["https://openalex.org/I4210106988"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063653867","display_name":"Hadi Amirpour","orcid":"https://orcid.org/0000-0001-9853-1720"},"institutions":[{"id":"https://openalex.org/I4210106988","display_name":"Christian Doppler Klinik","ror":"https://ror.org/01fpkt395","country_code":"AT","type":"healthcare","lineage":["https://openalex.org/I4210106988"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Hadi Amirpour","raw_affiliation_strings":["Alpen-Adria-Universit&#x00E4;t,Christian Doppler Laboratory ATHENA,Klagenfurt,Austria"],"affiliations":[{"raw_affiliation_string":"Alpen-Adria-Universit&#x00E4;t,Christian Doppler Laboratory ATHENA,Klagenfurt,Austria","institution_ids":["https://openalex.org/I4210106988"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082745876","display_name":"M. Ghanbari","orcid":"https://orcid.org/0000-0002-5482-8378"},"institutions":[{"id":"https://openalex.org/I110002522","display_name":"University of Essex","ror":"https://ror.org/02nkf1q06","country_code":"GB","type":"education","lineage":["https://openalex.org/I110002522"]},{"id":"https://openalex.org/I4210106988","display_name":"Christian Doppler Klinik","ror":"https://ror.org/01fpkt395","country_code":"AT","type":"healthcare","lineage":["https://openalex.org/I4210106988"]}],"countries":["AT","GB"],"is_corresponding":false,"raw_author_name":"Mohammad Ghanbari","raw_affiliation_strings":["Alpen-Adria-Universit&#x00E4;t,Christian Doppler Laboratory ATHENA,Klagenfurt,Austria","School of Computer Science and Electronic Engineering, University of Essex, UK"],"affiliations":[{"raw_affiliation_string":"Alpen-Adria-Universit&#x00E4;t,Christian Doppler Laboratory ATHENA,Klagenfurt,Austria","institution_ids":["https://openalex.org/I4210106988"]},{"raw_affiliation_string":"School of Computer Science and Electronic Engineering, University of Essex, UK","institution_ids":["https://openalex.org/I110002522"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057862649","display_name":"Christian Timmerer","orcid":"https://orcid.org/0000-0002-0031-5243"},"institutions":[{"id":"https://openalex.org/I4210106988","display_name":"Christian Doppler Klinik","ror":"https://ror.org/01fpkt395","country_code":"AT","type":"healthcare","lineage":["https://openalex.org/I4210106988"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Christian Timmerer","raw_affiliation_strings":["Alpen-Adria-Universit&#x00E4;t,Christian Doppler Laboratory ATHENA,Klagenfurt,Austria"],"affiliations":[{"raw_affiliation_string":"Alpen-Adria-Universit&#x00E4;t,Christian Doppler Laboratory ATHENA,Klagenfurt,Austria","institution_ids":["https://openalex.org/I4210106988"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5091049711"],"corresponding_institution_ids":["https://openalex.org/I4210106988"],"apc_list":null,"apc_paid":null,"fwci":2.2168,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.91753016,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1865","last_page":"1869"},"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":0.9988999962806702,"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":0.9975000023841858,"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/computer-science","display_name":"Computer science","score":0.749488353729248},{"id":"https://openalex.org/keywords/constant-bitrate","display_name":"Constant bitrate","score":0.6707319021224976},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.6124789714813232},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.5978979468345642},{"id":"https://openalex.org/keywords/variable-bitrate","display_name":"Variable bitrate","score":0.5507349967956543},{"id":"https://openalex.org/keywords/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.5299067497253418},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4884449541568756},{"id":"https://openalex.org/keywords/multiview-video-coding","display_name":"Multiview Video Coding","score":0.4237605035305023},{"id":"https://openalex.org/keywords/video-processing","display_name":"Video processing","score":0.36696872115135193},{"id":"https://openalex.org/keywords/bit-rate","display_name":"Bit rate","score":0.2696218490600586},{"id":"https://openalex.org/keywords/video-tracking","display_name":"Video tracking","score":0.19566601514816284},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.1936292052268982},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.17797836661338806},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17465412616729736},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.13221785426139832}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.749488353729248},{"id":"https://openalex.org/C34339180","wikidata":"https://www.wikidata.org/wiki/Q1325924","display_name":"Constant bitrate","level":4,"score":0.6707319021224976},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.6124789714813232},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.5978979468345642},{"id":"https://openalex.org/C57667952","wikidata":"https://www.wikidata.org/wiki/Q1154443","display_name":"Variable bitrate","level":3,"score":0.5507349967956543},{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.5299067497253418},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4884449541568756},{"id":"https://openalex.org/C23431618","wikidata":"https://www.wikidata.org/wiki/Q1404672","display_name":"Multiview Video Coding","level":4,"score":0.4237605035305023},{"id":"https://openalex.org/C65483669","wikidata":"https://www.wikidata.org/wiki/Q3536669","display_name":"Video processing","level":2,"score":0.36696872115135193},{"id":"https://openalex.org/C2987812609","wikidata":"https://www.wikidata.org/wiki/Q194158","display_name":"Bit rate","level":2,"score":0.2696218490600586},{"id":"https://openalex.org/C202474056","wikidata":"https://www.wikidata.org/wiki/Q1931635","display_name":"Video tracking","level":3,"score":0.19566601514816284},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.1936292052268982},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.17797836661338806},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17465412616729736},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.13221785426139832},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp43922.2022.9746745","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp43922.2022.9746745","pdf_url":null,"source":{"id":"https://openalex.org/S4363607702","display_name":"ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","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":"ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.7699999809265137,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W2004185490","https://openalex.org/W2101700394","https://openalex.org/W2153781297","https://openalex.org/W2296124060","https://openalex.org/W2517598826","https://openalex.org/W2596816328","https://openalex.org/W2989759504","https://openalex.org/W3034227553","https://openalex.org/W3034529651","https://openalex.org/W3159864357","https://openalex.org/W3166095763","https://openalex.org/W3194928485","https://openalex.org/W4252287370","https://openalex.org/W4283816406","https://openalex.org/W4290098470","https://openalex.org/W6675207249"],"related_works":["https://openalex.org/W4386160479","https://openalex.org/W4383860493","https://openalex.org/W3155955736","https://openalex.org/W2045823511","https://openalex.org/W2155423537","https://openalex.org/W3007418977","https://openalex.org/W2313307987","https://openalex.org/W2143583658","https://openalex.org/W4384703329","https://openalex.org/W2891904477"],"abstract_inverted_index":{"Current":[0],"per-title":[1,65],"encoding":[2,66],"schemes":[3],"encode":[4],"the":[5,47,120],"same":[6,121],"video":[7,23,58,71,102],"content":[8,24],"at":[9],"various":[10],"bitrates":[11],"and":[12,97,116,123],"spatial":[13,96],"resolutions":[14,89],"to":[15,45,51,118,127],"find":[16,52],"an":[17,63],"optimized":[18],"bitrate":[19,37,112,130],"ladder":[20,38,131],"for":[21,56,69,100],"each":[22,77,101],"in":[25,32,135,145],"Video":[26],"on":[27,108],"Demand":[28],"(VoD)":[29],"applications.":[30,73],"However,":[31],"live":[33,70,137],"streaming":[34,72,138],"applications,":[35],"a":[36,128],"with":[39],"fixed":[40,129],"bitrate-resolution":[41,54],"pairs":[42,55],"is":[43,82],"used":[44],"avoid":[46],"additional":[48,143],"latency":[49,144],"caused":[50],"optimum":[53],"every":[57],"content.":[59],"This":[60],"paper":[61],"introduces":[62],"online":[64],"scheme":[67,132],"(OPTE)":[68],"In":[74],"this":[75],"scheme,":[76],"target":[78],"bitrate\u2019s":[79],"optimal":[80],"resolution":[81],"predicted":[83],"from":[84],"any":[85,141],"pre-defined":[86],"set":[87],"of":[88,114],"using":[90],"Discrete":[91],"Cosine":[92],"Transform":[93],"(DCT)-energy-based":[94],"low-complexity":[95],"temporal":[98],"features":[99],"segment.":[103],"Experimental":[104],"results":[105],"show":[106],"that,":[107],"average,":[109],"OPTE":[110],"yields":[111],"savings":[113],"20.45%":[115],"28.45%":[117],"maintain":[119],"PSNR":[122],"VMAF,":[124],"respectively,":[125],"compared":[126],"(as":[133],"adopted":[134],"current":[136],"deployments)":[139],"without":[140],"noticeable":[142],"streaming.":[146]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":13}],"updated_date":"2026-03-09T08:58:05.943551","created_date":"2025-10-10T00:00:00"}
