{"id":"https://openalex.org/W4237214824","doi":"https://doi.org/10.1109/mmsp53017.2021.9733579","title":"VVC Adaptive Loop Filter Optimization for Subpicture-based Viewport-adaptive Streaming","display_name":"VVC Adaptive Loop Filter Optimization for Subpicture-based Viewport-adaptive Streaming","publication_year":2021,"publication_date":"2021-10-06","ids":{"openalex":"https://openalex.org/W4237214824","doi":"https://doi.org/10.1109/mmsp53017.2021.9733579"},"language":"en","primary_location":{"id":"doi:10.1109/mmsp53017.2021.9733579","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mmsp53017.2021.9733579","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 23rd 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/A5101985447","display_name":"Alireza Zare","orcid":"https://orcid.org/0000-0003-0680-4926"},"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":true,"raw_author_name":"Alireza Zare","raw_affiliation_strings":["Nokia Technologies,Tampere,Finland","Nokia Technologies, Tampere, Finland"],"affiliations":[{"raw_affiliation_string":"Nokia Technologies,Tampere,Finland","institution_ids":["https://openalex.org/I2738502077"]},{"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","Nokia Technologies, Tampere, Finland"],"affiliations":[{"raw_affiliation_string":"Nokia Technologies,Tampere,Finland","institution_ids":["https://openalex.org/I2738502077"]},{"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","Nokia Technologies, Tampere, Finland"],"affiliations":[{"raw_affiliation_string":"Nokia Technologies,Tampere,Finland","institution_ids":["https://openalex.org/I2738502077"]},{"raw_affiliation_string":"Nokia Technologies, Tampere, Finland","institution_ids":["https://openalex.org/I2738502077"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101985447"],"corresponding_institution_ids":["https://openalex.org/I2738502077"],"apc_list":null,"apc_paid":null,"fwci":0.0961,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.43740196,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"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/T11165","display_name":"Image and Video Quality Assessment","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/T11165","display_name":"Image and Video Quality Assessment","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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9997000098228455,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9948999881744385,"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/viewport","display_name":"Viewport","score":0.925858736038208},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8403216004371643},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5940907001495361},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.5466790795326233},{"id":"https://openalex.org/keywords/fidelity","display_name":"Fidelity","score":0.46281707286834717},{"id":"https://openalex.org/keywords/virtual-reality","display_name":"Virtual reality","score":0.4320881962776184},{"id":"https://openalex.org/keywords/adaptive-filter","display_name":"Adaptive filter","score":0.4298785328865051},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.38298800587654114},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.36246198415756226},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.2152998447418213},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1842394769191742},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1545233428478241}],"concepts":[{"id":"https://openalex.org/C2778090530","wikidata":"https://www.wikidata.org/wiki/Q2523931","display_name":"Viewport","level":2,"score":0.925858736038208},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8403216004371643},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5940907001495361},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.5466790795326233},{"id":"https://openalex.org/C2776459999","wikidata":"https://www.wikidata.org/wiki/Q2119376","display_name":"Fidelity","level":2,"score":0.46281707286834717},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.4320881962776184},{"id":"https://openalex.org/C102248274","wikidata":"https://www.wikidata.org/wiki/Q168388","display_name":"Adaptive filter","level":2,"score":0.4298785328865051},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.38298800587654114},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.36246198415756226},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.2152998447418213},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1842394769191742},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1545233428478241},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/mmsp53017.2021.9733579","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mmsp53017.2021.9733579","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE 23rd International Workshop on Multimedia Signal Processing (MMSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W2101700394","https://openalex.org/W2157312669","https://openalex.org/W2523974527","https://openalex.org/W2757562589","https://openalex.org/W2802625765","https://openalex.org/W2965453671","https://openalex.org/W3124026715","https://openalex.org/W3137710672","https://openalex.org/W3184685819"],"related_works":["https://openalex.org/W4389095575","https://openalex.org/W2908978341","https://openalex.org/W4294975495","https://openalex.org/W2992753629","https://openalex.org/W3161069372","https://openalex.org/W3171203216","https://openalex.org/W3123914255","https://openalex.org/W4225714298","https://openalex.org/W2948809149","https://openalex.org/W4297575873"],"abstract_inverted_index":{"Virtual":[0],"reality":[1],"(VR)":[2],"systems":[3],"require":[4],"delivering":[5],"high-fidelity":[6],"360\u00b0":[7,27],"video":[8],"content":[9,29,143],"to":[10,13,25,104,186],"immerse":[11],"viewers":[12],"the":[14,38,94,125,157,187],"captured":[15],"scene.":[16],"The":[17,31,50,137,160],"viewport-adaptive":[18],"streaming":[19],"(VAS)":[20],"methods":[21,129],"have":[22],"been":[23],"developed":[24],"deliver":[26],"VR":[28,121,142],"efficiently.":[30],"Versatile":[32],"Video":[33],"Coding":[34],"(VVC)":[35],"standard":[36,88],"introduces":[37],"subpicture":[39],"picture":[40],"partitioning":[41],"tool,":[42],"which":[43],"creates":[44],"isolated":[45],"regions":[46],"suitable":[47],"for":[48,178],"VAS.":[49,67],"usage":[51,73],"of":[52,74,83,106,119,127,156],"Adaptive":[53],"Loop":[54],"Filter":[55],"(ALF)":[56],"as":[57],"a":[58,81,149],"VVC":[59],"in-loop":[60],"filtering":[61],"operation":[62,191],"is":[63,92,111,192],"limited":[64],"in":[65,76],"subpicture-based":[66,116],"This":[68,113],"paper":[69],"aims":[70],"at":[71,148],"enabling":[72],"ALF":[75,91,107,158,190],"subpicture-base":[77],"VAS":[78],"through":[79],"proposing":[80],"set":[82],"encoding":[84,118,135,144,165],"constraints":[85],"that":[86,98,141],"are":[87],"compliant.":[89],"While":[90],"activated,":[93],"proposed":[95,161],"constrains":[96],"guarantee":[97],"no":[99],"coding":[100],"coordination":[101],"with":[102,163],"respect":[103],"sharing":[105],"parameters":[108],"among":[109],"subpictures":[110],"required.":[112],"further":[114],"allows":[115],"parallel":[117],"high-resolution":[120],"content.":[122],"We":[123],"study":[124],"performance":[126],"several":[128],"targeting":[130],"both":[131],"single-":[132],"and":[133,172,181],"multi-thread":[134],"platforms.":[136],"experimental":[138],"results":[139],"indicate":[140],"can":[145],"be":[146],"parallelized":[147],"subpicture-group":[150,164],"level,":[151],"while":[152],"still":[153],"preserving":[154],"most":[155],"gain.":[159],"method":[162],"parallelization":[166],"achieves":[167],"on":[168],"average":[169],"-2.4%,":[170],"-4.0%,":[171],"-4.3%":[173],"Bj\u00f8ntegaard":[174],"delta":[175],"rate":[176],"reduction":[177],"Y,":[179],"U,":[180],"V":[182],"components":[183],"respectively,":[184],"compared":[185],"case":[188],"where":[189],"deactivated.":[193]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
