{"id":"https://openalex.org/W2998668028","doi":"https://doi.org/10.1109/jstsp.2019.2963000","title":"Perceptually Optimized Quality Adaptation of Viewport-Dependent Omnidirectional Video Streaming","display_name":"Perceptually Optimized Quality Adaptation of Viewport-Dependent Omnidirectional Video Streaming","publication_year":2019,"publication_date":"2019-12-30","ids":{"openalex":"https://openalex.org/W2998668028","doi":"https://doi.org/10.1109/jstsp.2019.2963000","mag":"2998668028"},"language":"en","primary_location":{"id":"doi:10.1109/jstsp.2019.2963000","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2019.2963000","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","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/A5101740211","display_name":"Shaowei Xie","orcid":"https://orcid.org/0000-0002-2615-1646"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I4210099312","display_name":"Shandong Jiaotong University","ror":"https://ror.org/01848hk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210099312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaowei Xie","raw_affiliation_strings":["Cooperative Medianet Innovation Center, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-2615-1646","affiliations":[{"raw_affiliation_string":"Cooperative Medianet Innovation Center, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930","https://openalex.org/I4210099312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033545333","display_name":"Yiling Xu","orcid":"https://orcid.org/0000-0002-4942-5232"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I4210099312","display_name":"Shandong Jiaotong University","ror":"https://ror.org/01848hk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210099312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yiling Xu","raw_affiliation_strings":["Cooperative Medianet Innovation Center, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-4942-5232","affiliations":[{"raw_affiliation_string":"Cooperative Medianet Innovation Center, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930","https://openalex.org/I4210099312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101068553","display_name":"Yunqiao Li","orcid":null},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I4210099312","display_name":"Shandong Jiaotong University","ror":"https://ror.org/01848hk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210099312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yunqiao Li","raw_affiliation_strings":["Cooperative Medianet Innovation Center, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Cooperative Medianet Innovation Center, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930","https://openalex.org/I4210099312"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100610821","display_name":"Qiu Shen","orcid":"https://orcid.org/0000-0001-5515-3125"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qiu Shen","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Jiangsu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Jiangsu, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073914656","display_name":"Zhan Ma","orcid":"https://orcid.org/0000-0003-3686-4057"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhan Ma","raw_affiliation_strings":["School of Electronic Science and Engineering, Nanjing University, Jiangsu, China"],"raw_orcid":"https://orcid.org/0000-0003-3686-4057","affiliations":[{"raw_affiliation_string":"School of Electronic Science and Engineering, Nanjing University, Jiangsu, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100447806","display_name":"Wenjun Zhang","orcid":"https://orcid.org/0000-0001-8799-1182"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I4210099312","display_name":"Shandong Jiaotong University","ror":"https://ror.org/01848hk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210099312"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wenjun Zhang","raw_affiliation_strings":["Cooperative Medianet Innovation Center, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-8799-1182","affiliations":[{"raw_affiliation_string":"Cooperative Medianet Innovation Center, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930","https://openalex.org/I4210099312"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6821,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.72012123,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"14","issue":"1","first_page":"146","last_page":"160"},"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":0.9966999888420105,"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/T11605","display_name":"Visual Attention and Saliency Detection","score":0.9815999865531921,"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":0.9939890503883362},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8372032642364502},{"id":"https://openalex.org/keywords/quality-of-experience","display_name":"Quality of experience","score":0.5404620170593262},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.5064433813095093},{"id":"https://openalex.org/keywords/adaptation","display_name":"Adaptation (eye)","score":0.47520431876182556},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.4308859705924988},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.41241204738616943},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.33108893036842346},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.12249794602394104},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08918660879135132},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.07814803719520569}],"concepts":[{"id":"https://openalex.org/C2778090530","wikidata":"https://www.wikidata.org/wiki/Q2523931","display_name":"Viewport","level":2,"score":0.9939890503883362},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8372032642364502},{"id":"https://openalex.org/C2779333187","wikidata":"https://www.wikidata.org/wiki/Q3132648","display_name":"Quality of experience","level":3,"score":0.5404620170593262},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.5064433813095093},{"id":"https://openalex.org/C139807058","wikidata":"https://www.wikidata.org/wiki/Q352374","display_name":"Adaptation (eye)","level":2,"score":0.47520431876182556},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.4308859705924988},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.41241204738616943},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33108893036842346},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.12249794602394104},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08918660879135132},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.07814803719520569},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstsp.2019.2963000","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2019.2963000","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2494697859","display_name":null,"funder_award_id":"18511105402","funder_id":"https://openalex.org/F4320321885","funder_display_name":"Science and Technology Commission of Shanghai Municipality"},{"id":"https://openalex.org/G6592691115","display_name":"\u89c6\u89c9\u901a\u4fe1\u5173\u952e\u6280\u672f\u4e0e\u6807\u51c6\u5316\u7814\u7a76","funder_award_id":"61971282","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/F4320321885","display_name":"Science and Technology Commission of Shanghai Municipality","ror":"https://ror.org/03kt66j61"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W1593459177","https://openalex.org/W1772076007","https://openalex.org/W1845390587","https://openalex.org/W1964204065","https://openalex.org/W1971484619","https://openalex.org/W1986704259","https://openalex.org/W1996020380","https://openalex.org/W2019762143","https://openalex.org/W2029827322","https://openalex.org/W2038818196","https://openalex.org/W2062042873","https://openalex.org/W2074160381","https://openalex.org/W2101700394","https://openalex.org/W2135957164","https://openalex.org/W2140199336","https://openalex.org/W2146395539","https://openalex.org/W2152818797","https://openalex.org/W2158044017","https://openalex.org/W2295499828","https://openalex.org/W2404632246","https://openalex.org/W2523094016","https://openalex.org/W2555342108","https://openalex.org/W2561270043","https://openalex.org/W2572562433","https://openalex.org/W2585813514","https://openalex.org/W2623181870","https://openalex.org/W2624991012","https://openalex.org/W2738518542","https://openalex.org/W2744068077","https://openalex.org/W2758907315","https://openalex.org/W2759603325","https://openalex.org/W2765219117","https://openalex.org/W2792169409","https://openalex.org/W2802090860","https://openalex.org/W2809517867","https://openalex.org/W2810274852","https://openalex.org/W2886486100","https://openalex.org/W2888995598","https://openalex.org/W2895957446","https://openalex.org/W2896449077","https://openalex.org/W2897460799","https://openalex.org/W2898967853","https://openalex.org/W2963439135","https://openalex.org/W2964349809","https://openalex.org/W2968169446","https://openalex.org/W2968289224","https://openalex.org/W2999222884","https://openalex.org/W3104979525","https://openalex.org/W4252777177","https://openalex.org/W4254197176","https://openalex.org/W6635680872","https://openalex.org/W6675207249","https://openalex.org/W6680437723","https://openalex.org/W7020915100"],"related_works":["https://openalex.org/W2387670790","https://openalex.org/W4285285990","https://openalex.org/W1571518467","https://openalex.org/W87991986","https://openalex.org/W1964859752","https://openalex.org/W2020291234","https://openalex.org/W2955940898","https://openalex.org/W4214597994","https://openalex.org/W1972070263","https://openalex.org/W2766426813"],"abstract_inverted_index":{"Viewport-Dependent":[0],"Streaming":[1],"(VDS)":[2],"is":[3,20],"a":[4,16,29,45,55,72,80,125],"preferred":[5],"way":[6],"in":[7,25],"practice":[8],"to":[9,44,61,75,165,195],"deliver":[10],"the":[11,23,63,69,84,94,109,117,132,145,155,170,174,180],"omnidirectional":[12,100],"videos,":[13,101],"of":[14,65,99,113,182,189],"which":[15],"High-Quality":[17],"(HQ)":[18],"scale":[19,32,74],"applied":[21],"for":[22,68,97],"content":[24,181],"current":[26],"viewport":[27,127,160,185],"but":[28],"Low-Quality":[30],"(LQ)":[31],"elsewhere.":[33],"Quality":[34,64],"adaptation":[35,59,95,156],"or":[36],"refinement":[37,70],"happens":[38],"after":[39],"users":[40],"stabilize":[41],"their":[42],"fixations":[43],"new":[46],"viewport.":[47],"In":[48],"this":[49,53],"article,":[50],"we":[51,102],"formulate":[52],"as":[54],"perceptually":[56],"optimized":[57],"quality":[58,96],"problem":[60],"maximize":[62],"Experience":[66],"(QoE)":[67],"from":[71],"LQ":[73],"another":[76],"HQ":[77],"level":[78],"within":[79],"specific":[81],"duration":[82],"under":[83],"given":[85],"network":[86],"constraint.":[87,177],"With":[88],"our":[89],"developed":[90],"perceptual":[91],"model":[92],"considering":[93],"VDS":[98],"first":[103],"provide":[104],"baseline":[105,171],"solutions":[106],"numerically,":[107],"demonstrating":[108],"noticeable":[110],"subjective":[111],"improvements":[112],"model-driven":[114],"solution":[115],"against":[116],"heuristic":[118],"selection":[119],"based":[120,130],"approach.":[121],"We":[122,152],"also":[123],"propose":[124],"novel":[126],"prediction":[128,150],"algorithm":[129],"on":[131],"Hidden":[133],"Markov":[134],"Model":[135],"(HMM),":[136],"and":[137],"experimental":[138],"results":[139],"show":[140],"that":[141],"it":[142],"significantly":[143],"outperforms":[144],"relevant":[146],"methods":[147],"with":[148,158],"better":[149,166],"accuracy.":[151],"then":[153],"improve":[154],"strategy":[157],"proposed":[159],"prediction-based":[161],"data":[162],"prefetching,":[163],"leading":[164],"visual":[167],"perception":[168],"than":[169,197],"system":[172],"at":[173],"same":[175],"bandwidth":[176],"Generally,":[178],"prefetching":[179],"predicted":[183],"next":[184],"one":[186],"second":[187],"ahead":[188],"its":[190],"playback":[191],"time,":[192],"would":[193],"lead":[194],"more":[196],"8%":[198],"Bjontegaard":[199],"Delta":[200],"Rate":[201],"(BD-Rate)":[202],"gain.":[203]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}