{"id":"https://openalex.org/W2997309903","doi":"https://doi.org/10.1109/jstsp.2019.2963154","title":"$\\lambda$-Domain Perceptual Rate Control for 360-Degree Video Compression","display_name":"$\\lambda$-Domain Perceptual Rate Control for 360-Degree Video Compression","publication_year":2019,"publication_date":"2019-12-31","ids":{"openalex":"https://openalex.org/W2997309903","doi":"https://doi.org/10.1109/jstsp.2019.2963154","mag":"2997309903"},"language":"en","primary_location":{"id":"doi:10.1109/jstsp.2019.2963154","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2019.2963154","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/A5100361230","display_name":"Li Li","orcid":"https://orcid.org/0000-0002-7163-6263"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]},{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Li Li","raw_affiliation_strings":["CAS Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, University of Science and Technology of China, Hefei, China","University of Missouri-Kansas City, 5100 Rockhill Road, Kansas City, USA"],"raw_orcid":"https://orcid.org/0000-0002-7163-6263","affiliations":[{"raw_affiliation_string":"CAS Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, University of Science and Technology of China, Hefei, China","institution_ids":["https://openalex.org/I126520041"]},{"raw_affiliation_string":"University of Missouri-Kansas City, 5100 Rockhill Road, Kansas City, USA","institution_ids":["https://openalex.org/I75421653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100753917","display_name":"Ning Yan","orcid":"https://orcid.org/0000-0002-6771-111X"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ning Yan","raw_affiliation_strings":["CAS Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, University of Science and Technology of China, No. 443 Huangshan Road, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0002-6771-111X","affiliations":[{"raw_affiliation_string":"CAS Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, University of Science and Technology of China, No. 443 Huangshan Road, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100380625","display_name":"Zhu Li","orcid":"https://orcid.org/0000-0002-8246-177X"},"institutions":[{"id":"https://openalex.org/I75421653","display_name":"University of Missouri\u2013Kansas City","ror":"https://ror.org/01w0d5g70","country_code":"US","type":"education","lineage":["https://openalex.org/I75421653"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhu Li","raw_affiliation_strings":["University of Missouri-Kansas City, 5100 Rockhill Road, Kansas City, USA"],"raw_orcid":"https://orcid.org/0000-0002-8246-177X","affiliations":[{"raw_affiliation_string":"University of Missouri-Kansas City, 5100 Rockhill Road, Kansas City, USA","institution_ids":["https://openalex.org/I75421653"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100449791","display_name":"Shan Liu","orcid":"https://orcid.org/0000-0002-1442-1207"},"institutions":[{"id":"https://openalex.org/I70745867","display_name":"KLA (United States)","ror":"https://ror.org/02rqhpa98","country_code":"US","type":"company","lineage":["https://openalex.org/I70745867"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shan Liu","raw_affiliation_strings":["Tencent America, 661 Bryant St, Palo Alto, USA"],"raw_orcid":"https://orcid.org/0000-0002-1442-1207","affiliations":[{"raw_affiliation_string":"Tencent America, 661 Bryant St, Palo Alto, USA","institution_ids":["https://openalex.org/I70745867"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078141810","display_name":"Houqiang Li","orcid":"https://orcid.org/0000-0003-2188-3028"},"institutions":[{"id":"https://openalex.org/I126520041","display_name":"University of Science and Technology of China","ror":"https://ror.org/04c4dkn09","country_code":"CN","type":"education","lineage":["https://openalex.org/I126520041","https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Houqiang Li","raw_affiliation_strings":["CAS Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, University of Science and Technology of China, No. 443 Huangshan Road, Hefei, China"],"raw_orcid":"https://orcid.org/0000-0003-2188-3028","affiliations":[{"raw_affiliation_string":"CAS Key Laboratory of Technology in Geo-Spatial Information Processing and Application System, University of Science and Technology of China, No. 443 Huangshan Road, Hefei, China","institution_ids":["https://openalex.org/I126520041"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.316,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.8967803,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"14","issue":"1","first_page":"130","last_page":"145"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":1.0,"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":1.0,"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":0.9990000128746033,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9975000023841858,"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/coding-tree-unit","display_name":"Coding tree unit","score":0.7003833055496216},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6924612522125244},{"id":"https://openalex.org/keywords/data-compression","display_name":"Data compression","score":0.5658407211303711},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5007376670837402},{"id":"https://openalex.org/keywords/multiview-video-coding","display_name":"Multiview Video Coding","score":0.48369747400283813},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47539886832237244},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.4630800187587738},{"id":"https://openalex.org/keywords/video-compression-picture-types","display_name":"Video compression picture types","score":0.43859028816223145},{"id":"https://openalex.org/keywords/motion-compensation","display_name":"Motion compensation","score":0.4385083317756653},{"id":"https://openalex.org/keywords/block-matching-algorithm","display_name":"Block-matching algorithm","score":0.4173828065395355},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3407672941684723},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.32503098249435425},{"id":"https://openalex.org/keywords/video-tracking","display_name":"Video tracking","score":0.2902148962020874},{"id":"https://openalex.org/keywords/video-processing","display_name":"Video processing","score":0.21925032138824463},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1984982192516327},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.17671862244606018},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.09370735287666321}],"concepts":[{"id":"https://openalex.org/C190750250","wikidata":"https://www.wikidata.org/wiki/Q13533439","display_name":"Coding tree unit","level":3,"score":0.7003833055496216},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6924612522125244},{"id":"https://openalex.org/C78548338","wikidata":"https://www.wikidata.org/wiki/Q2493","display_name":"Data compression","level":2,"score":0.5658407211303711},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5007376670837402},{"id":"https://openalex.org/C23431618","wikidata":"https://www.wikidata.org/wiki/Q1404672","display_name":"Multiview Video Coding","level":4,"score":0.48369747400283813},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47539886832237244},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.4630800187587738},{"id":"https://openalex.org/C106030495","wikidata":"https://www.wikidata.org/wiki/Q1797012","display_name":"Video compression picture types","level":4,"score":0.43859028816223145},{"id":"https://openalex.org/C128840427","wikidata":"https://www.wikidata.org/wiki/Q1302174","display_name":"Motion compensation","level":2,"score":0.4385083317756653},{"id":"https://openalex.org/C167510206","wikidata":"https://www.wikidata.org/wiki/Q2835824","display_name":"Block-matching algorithm","level":4,"score":0.4173828065395355},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3407672941684723},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.32503098249435425},{"id":"https://openalex.org/C202474056","wikidata":"https://www.wikidata.org/wiki/Q1931635","display_name":"Video tracking","level":3,"score":0.2902148962020874},{"id":"https://openalex.org/C65483669","wikidata":"https://www.wikidata.org/wiki/Q3536669","display_name":"Video processing","level":2,"score":0.21925032138824463},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1984982192516327},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.17671862244606018},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.09370735287666321}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jstsp.2019.2963154","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2019.2963154","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":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W1964204065","https://openalex.org/W1972915598","https://openalex.org/W1993721485","https://openalex.org/W2007606039","https://openalex.org/W2052718775","https://openalex.org/W2060100931","https://openalex.org/W2081614366","https://openalex.org/W2082842867","https://openalex.org/W2095709228","https://openalex.org/W2101700394","https://openalex.org/W2113706054","https://openalex.org/W2129950039","https://openalex.org/W2131379615","https://openalex.org/W2132135004","https://openalex.org/W2138163228","https://openalex.org/W2146395539","https://openalex.org/W2156376988","https://openalex.org/W2169113461","https://openalex.org/W2172073677","https://openalex.org/W2181770152","https://openalex.org/W2240965729","https://openalex.org/W2314317712","https://openalex.org/W2407574721","https://openalex.org/W2474131947","https://openalex.org/W2493586286","https://openalex.org/W2511584835","https://openalex.org/W2532482062","https://openalex.org/W2582343223","https://openalex.org/W2592846100","https://openalex.org/W2733888878","https://openalex.org/W2751058512","https://openalex.org/W2752514249","https://openalex.org/W2774366905","https://openalex.org/W2775200141","https://openalex.org/W2790751498","https://openalex.org/W2793078624","https://openalex.org/W2793361125","https://openalex.org/W2800195733","https://openalex.org/W2808376865","https://openalex.org/W2809714054","https://openalex.org/W2890000486","https://openalex.org/W2904976862","https://openalex.org/W2906803732","https://openalex.org/W2918752821","https://openalex.org/W2941096192","https://openalex.org/W2943769402","https://openalex.org/W2945981853","https://openalex.org/W2947628250","https://openalex.org/W4292097964","https://openalex.org/W6643421439","https://openalex.org/W6675207249","https://openalex.org/W6752296525","https://openalex.org/W6842008832"],"related_works":["https://openalex.org/W2187171999","https://openalex.org/W43054317","https://openalex.org/W4247602681","https://openalex.org/W3180934628","https://openalex.org/W2095192155","https://openalex.org/W1590871397","https://openalex.org/W3009101410","https://openalex.org/W2032827369","https://openalex.org/W24612264","https://openalex.org/W2004374898"],"abstract_inverted_index":{"The":[0,49,98,143,219,237],"360-degree":[1,30,45,177],"video":[2,31,46,178,227],"is":[3,24,102,119,136,158,172,245],"projected":[4,29],"to":[5,105,138,161,174,213,247],"2-D":[6,73],"formats":[7,74],"using":[8],"various":[9,70],"projection":[10,179],"methods":[11],"for":[12,27,43,192],"efficient":[13],"compression.":[14,32],"As":[15],"a":[16,115,129,156,184,211],"necessary":[17],"part":[18],"of":[19,114,145,155],"general-video":[20],"compression,":[21],"rate":[22,36,59,116,189,265],"control":[23,37,60,117,190,266],"also":[25],"indispensable":[26],"the":[28,34,44,58,67,79,106,111,125,151,176,193,201,205,225,242,263],"However,":[33],"current":[35],"algorithm":[38,61,118,135,191,244],"has":[39,62],"not":[40,63],"been":[41],"optimized":[42],"compression":[47],"yet.":[48],"Coding":[50,233],"Tree":[51],"Unit":[52],"(CTU)":[53],"level":[54,91,100,108,127,132,164,168,188],"bit":[55,133,169],"allocation":[56,134,170],"in":[57,72,200,204,224],"taken":[64],"into":[65,96,210],"consideration":[66],"characteristic":[68,95],"that":[69,150,241],"pixels":[71],"have":[75],"different":[76],"influences":[77],"on":[78,124],"visual":[80],"experiences.":[81],"In":[82],"this":[83,94],"article,":[84],"we":[85,182],"first":[86],"propose":[87,183],"an":[88,103],"optimal":[89],"CTU":[90,99,126,131,147,157,163,167,185],"weight":[92,101,109],"taking":[93],"consideration.":[97],"approximation":[104],"pixel":[107],"since":[110],"smallest":[112],"granularity":[113],"usually":[120],"CTU.":[121],"Second,":[122],"based":[123],"weight,":[128],"weighted":[130],"proposed":[137,220,243],"achieve":[139,248],"better":[140,250],"coding":[141,228],"performance.":[142],"bits":[144],"each":[146],"are":[148,208,222],"assigned":[149],"Lagrange":[152],"multiplier":[153],"\u03bb":[154],"inversely":[159],"proportional":[160],"its":[162],"weight.":[165],"This":[166],"scheme":[171],"applied":[173],"all":[175],"formats.":[180],"Third,":[181],"row":[186,203],"(CR)":[187],"Equi-Rectangle":[194],"Projection":[195],"(ERP)":[196],"format.":[197],"Different":[198],"CTUs":[199],"same":[202],"ERP":[206],"format":[207],"combined":[209],"CR":[212],"provide":[214],"more":[215],"stable":[216],"model":[217],"parameters.":[218],"algorithms":[221],"implemented":[223],"newest":[226],"standard":[229],"High":[230],"Efficiency":[231],"Video":[232],"(HEVC)":[234],"reference":[235],"software.":[236],"experimental":[238],"results":[239],"show":[240],"able":[246],"much":[249],"subjective":[251],"and":[252],"objective":[253],"qualities":[254],"as":[255,257],"well":[256],"smaller":[258],"bitrate":[259],"errors":[260],"compared":[261],"with":[262],"state-of-the-art":[264],"algorithm.":[267]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3}],"updated_date":"2026-08-02T14:50:37.381335","created_date":"2025-10-10T00:00:00"}
