{"id":"https://openalex.org/W3005203756","doi":"https://doi.org/10.1109/jstsp.2019.2957952","title":"Video Coding Optimization for Virtual Reality 360-Degree Source","display_name":"Video Coding Optimization for Virtual Reality 360-Degree Source","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3005203756","doi":"https://doi.org/10.1109/jstsp.2019.2957952","mag":"3005203756"},"language":"en","primary_location":{"id":"doi:10.1109/jstsp.2019.2957952","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2019.2957952","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":null,"display_name":"Yimin Zhou","orcid":"https://orcid.org/0000-0002-6539-0316"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yimin Zhou","raw_affiliation_strings":["Center for Future Media, School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-6539-0316","affiliations":[{"raw_affiliation_string":"Center for Future Media, School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019111542","display_name":"Ling Tian","orcid":"https://orcid.org/0000-0002-8475-9203"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ling Tian","raw_affiliation_strings":["Center for Future Media, School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-8475-9203","affiliations":[{"raw_affiliation_string":"Center for Future Media, School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034427070","display_name":"Ce Zhu","orcid":"https://orcid.org/0000-0001-7607-707X"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ce Zhu","raw_affiliation_strings":["School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0001-7607-707X","affiliations":[{"raw_affiliation_string":"School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023967844","display_name":"Xin Jin","orcid":"https://orcid.org/0000-0001-6655-3888"},"institutions":[{"id":"https://openalex.org/I3131625388","display_name":"University Town of Shenzhen","ror":"https://ror.org/05f5j6225","country_code":"CN","type":"education","lineage":["https://openalex.org/I3131625388"]},{"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":"Xin Jin","raw_affiliation_strings":["Shenzhen International Graduate School, Tsinghua University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-6655-3888","affiliations":[{"raw_affiliation_string":"Shenzhen International Graduate School, Tsinghua University, Shenzhen, China","institution_ids":["https://openalex.org/I3131625388","https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5107072461","display_name":"Yu Sun","orcid":"https://orcid.org/0000-0003-3525-2753"},"institutions":[{"id":"https://openalex.org/I32038505","display_name":"University of Central Arkansas","ror":"https://ror.org/029bp0k25","country_code":"US","type":"education","lineage":["https://openalex.org/I32038505"]},{"id":"https://openalex.org/I4210152127","display_name":"Conway School of Landscape Design","ror":"https://ror.org/04q7y8a54","country_code":"US","type":"education","lineage":["https://openalex.org/I4210152127"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yu Sun","raw_affiliation_strings":["Department of Computer Science, University of Central Arkansas, Conway, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Central Arkansas, Conway, USA","institution_ids":["https://openalex.org/I32038505","https://openalex.org/I4210152127"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":18.7026,"has_fulltext":false,"cited_by_count":143,"citation_normalized_percentile":{"value":0.9962801,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":100},"biblio":{"volume":"14","issue":"1","first_page":"118","last_page":"129"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9998999834060669,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9998000264167786,"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/T11105","display_name":"Advanced Image Processing Techniques","score":0.9984999895095825,"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/computer-science","display_name":"Computer science","score":0.792203426361084},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.5184821486473083},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4928576946258545},{"id":"https://openalex.org/keywords/virtual-reality","display_name":"Virtual reality","score":0.4221137762069702},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.4124673008918762},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.40728759765625},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3614180386066437},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12730517983436584}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.792203426361084},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.5184821486473083},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4928576946258545},{"id":"https://openalex.org/C194969405","wikidata":"https://www.wikidata.org/wiki/Q170519","display_name":"Virtual reality","level":2,"score":0.4221137762069702},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.4124673008918762},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.40728759765625},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3614180386066437},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12730517983436584},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstsp.2019.2957952","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2019.2957952","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":[{"display_name":"Industry, innovation and infrastructure","score":0.44999998807907104,"id":"https://metadata.un.org/sdg/9"}],"awards":[{"id":"https://openalex.org/G2430933232","display_name":null,"funder_award_id":"61571102","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W1993721485","https://openalex.org/W2093633095","https://openalex.org/W2101700394","https://openalex.org/W2111381911","https://openalex.org/W2120221190","https://openalex.org/W2155547698","https://openalex.org/W2181770152","https://openalex.org/W2249544981","https://openalex.org/W2295270132","https://openalex.org/W2313956559","https://openalex.org/W2329267147","https://openalex.org/W2335437633","https://openalex.org/W2511584835","https://openalex.org/W2527384707","https://openalex.org/W2579692724","https://openalex.org/W2582117893","https://openalex.org/W2591669147","https://openalex.org/W2593190442","https://openalex.org/W2604490247","https://openalex.org/W2604724011","https://openalex.org/W2613728638","https://openalex.org/W2623587439","https://openalex.org/W2741833902","https://openalex.org/W2752514249","https://openalex.org/W2752930373","https://openalex.org/W2756061486","https://openalex.org/W2775142743","https://openalex.org/W2779040961","https://openalex.org/W2781821509","https://openalex.org/W2793015883","https://openalex.org/W2793454385","https://openalex.org/W2798573403","https://openalex.org/W2801921072","https://openalex.org/W2808441032","https://openalex.org/W2808775853","https://openalex.org/W2809714054","https://openalex.org/W2963603324","https://openalex.org/W3105022665","https://openalex.org/W4243022719","https://openalex.org/W6682623627","https://openalex.org/W6737182760"],"related_works":["https://openalex.org/W3000714840","https://openalex.org/W4294974825","https://openalex.org/W2967400911","https://openalex.org/W4361829742","https://openalex.org/W2943580202","https://openalex.org/W4241017176","https://openalex.org/W2582295320","https://openalex.org/W2344907852","https://openalex.org/W4253106340","https://openalex.org/W2174759944"],"abstract_inverted_index":{"To":[0],"provide":[1],"excellent":[2],"visual":[3,16],"experience":[4],"for":[5,54,82,178,190,218,240],"customers,":[6],"virtual":[7,78],"reality":[8],"(VR)":[9],"sources":[10,56],"require":[11],"higher":[12],"resolutions":[13],"and":[14,62,69,139,212,221,235,245],"better":[15],"quality":[17,276],"than":[18],"traditional":[19],"picture":[20],"sequences.":[21],"The":[22,50,108,186],"content":[23],"of":[24,92,159,263],"a":[25,32,39,77,86,121,147,165,172],"VR":[26,93,285],"video":[27,94,184],"can":[28,72],"be":[29,73],"mapped":[30],"into":[31],"sphere":[33],"by":[34],"playing":[35],"devices":[36],"to":[37,76,89,99,103,112,118,126,131,154,170,214],"present":[38],"360\u00b0":[40],"scene,":[41],"which":[42,96,134],"is":[43,97,117,193],"usually":[44],"called":[45],"VR360":[46,55,160],"in":[47,183,197,265,277],"industrial":[48],"community.":[49],"most":[51,109],"popular":[52],"formats":[53],"are":[57],"the":[58,63,90,156,179,219,237,253,257,269,283,288],"equirectangular":[59],"projection":[60,65,106],"(ERP)":[61],"cubemap":[64],"(CMP).":[66],"Both":[67],"ERP":[68,220],"CMP":[70,222,286],"pictures":[71],"effectively":[74],"projected":[75],"three-dimensional":[79],"spherical":[80,166],"surface":[81],"rendering.":[83],"It":[84],"brings":[85],"new":[87,148],"challenge":[88,116],"compression":[91,216],"sources,":[95],"how":[98],"reallocate":[100],"proper":[101],"bit-rate":[102,167],"match":[104],"mainstream":[105],"formats.":[107],"intuitive":[110],"way":[111],"deal":[113],"with":[114,199,252,282],"this":[115],"empirically":[119],"assign":[120],"fixed":[122],"quantization":[123],"parameter":[124],"(QP)":[125],"each":[127,191],"coding":[128,142,157],"unit":[129],"according":[130],"its":[132,200],"position,":[133],"evidently":[135],"lacks":[136],"precision,":[137],"rationality,":[138],"thus,":[140],"degrades":[141],"performance.":[143],"This":[144],"research":[145],"proposes":[146],"entropy":[149],"equilibrium":[150],"optimization":[151,181],"(EEO)":[152],"methodology":[153],"enhance":[155,215],"performance":[158],"videos.":[161],"Specifically,":[162],"we":[163,207],"develop":[164,208],"equalization":[168],"strategy":[169],"obtain":[171],"block-level":[173],"Lagrangian":[174],"multiplier":[175],"(lambda,":[176],"\u03bb)":[177],"rate-distortion":[180],"process":[182],"coding.":[185],"appropriate":[187],"QP":[188],"value":[189],"block":[192],"then":[194],"dynamically":[195],"determined":[196],"accordance":[198],"\u03bb.":[201],"Based":[202],"on":[203,274],"our":[204],"EEO":[205],"methodology,":[206],"two":[209],"algorithms,":[210],"EEOA-ERP":[211,259],"EEOA-CMP,":[213],"efficiency":[217],"pictures,":[223],"respectively.":[224,249],"Experimental":[225],"results":[226],"demonstrate":[227],"that":[228],"both":[229],"algorithms":[230],"achieve":[231],"significant":[232],"BD-Rate":[233,261],"savings":[234],"outperform":[236],"HM16.17":[238,284],"platform":[239],"all-intra":[241],"(AI),":[242],"low-delay":[243],"(LD)":[244],"random-access":[246],"(RA)":[247],"configurations,":[248],"Concretely,":[250],"compared":[251,281],"state-of-the-art":[254],"algorithm":[255],"WSU-ERP,":[256],"proposed":[258,270],"achieves":[260],"saving":[262],"0.37%":[264],"LD":[266],"configuration.":[267],"Furthermore,":[268],"EEOA-CMP":[271],"gains":[272],"2.6%":[273],"objective":[275],"RA":[278],"configuration":[279],"when":[280],"under":[287],"common":[289],"test":[290],"condition.":[291]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":11},{"year":2023,"cited_by_count":19},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":63},{"year":2020,"cited_by_count":24}],"updated_date":"2026-06-02T09:04:35.204637","created_date":"2025-10-10T00:00:00"}
