{"id":"https://openalex.org/W3089144757","doi":"https://doi.org/10.2352/issn.2470-1173.2020.10.ipas-136","title":"Per Clip Lagrangian Multiplier Optimisation for HEVC","display_name":"Per Clip Lagrangian Multiplier Optimisation for HEVC","publication_year":2020,"publication_date":"2020-01-26","ids":{"openalex":"https://openalex.org/W3089144757","doi":"https://doi.org/10.2352/issn.2470-1173.2020.10.ipas-136","mag":"3089144757"},"language":"en","primary_location":{"id":"doi:10.2352/issn.2470-1173.2020.10.ipas-136","is_oa":true,"landing_page_url":"https://doi.org/10.2352/issn.2470-1173.2020.10.ipas-136","pdf_url":"https://library.imaging.org/ei/articles/32/10/art00015","source":{"id":"https://openalex.org/S4210227276","display_name":"Electronic Imaging","issn_l":"2470-1173","issn":["2470-1173"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Imaging","raw_type":"journal-article"},"type":"article","indexed_in":["arxiv","crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://library.imaging.org/ei/articles/32/10/art00015","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5005495024","display_name":"Daniel Joseph Ringis","orcid":"https://orcid.org/0000-0002-4887-4749"},"institutions":[{"id":"https://openalex.org/I205274468","display_name":"Trinity College Dublin","ror":"https://ror.org/02tyrky19","country_code":"IE","type":"education","lineage":["https://openalex.org/I205274468"]}],"countries":["IE"],"is_corresponding":true,"raw_author_name":"Daniel J Ringis","raw_affiliation_strings":["Electronic and Electrical Engineering Dept., Trinity College Dublin; Dublin, Ireland"],"affiliations":[{"raw_affiliation_string":"Electronic and Electrical Engineering Dept., Trinity College Dublin; Dublin, Ireland","institution_ids":["https://openalex.org/I205274468"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064522747","display_name":"Fran\u00e7ois Piti\u00e9","orcid":"https://orcid.org/0000-0003-4599-0549"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fran\u00e7ois Piti\u00e9","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5073540444","display_name":"Anil Kokaram","orcid":"https://orcid.org/0000-0001-5304-6238"},"institutions":[{"id":"https://openalex.org/I205274468","display_name":"Trinity College Dublin","ror":"https://ror.org/02tyrky19","country_code":"IE","type":"education","lineage":["https://openalex.org/I205274468"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"Anil Kokaram","raw_affiliation_strings":["Electronic and Electrical Engineering Dept., Trinity College Dublin; Dublin, Ireland"],"affiliations":[{"raw_affiliation_string":"Electronic and Electrical Engineering Dept., Trinity College Dublin; Dublin, Ireland","institution_ids":["https://openalex.org/I205274468"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5005495024"],"corresponding_institution_ids":["https://openalex.org/I205274468"],"apc_list":null,"apc_paid":null,"fwci":1.0667,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.77275404,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":97},"biblio":{"volume":"32","issue":"10","first_page":"136","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9998000264167786,"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":0.9998000264167786,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9980999827384949,"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":0.988099992275238,"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/lagrange-multiplier","display_name":"Lagrange multiplier","score":0.7921113967895508},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6507055163383484},{"id":"https://openalex.org/keywords/lagrangian","display_name":"Lagrangian","score":0.5940622091293335},{"id":"https://openalex.org/keywords/rate-distortion","display_name":"Rate distortion","score":0.4745115637779236},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3825693726539612},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3313077688217163},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.2699401080608368},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.22518807649612427},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13869982957839966},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.1227433979511261}],"concepts":[{"id":"https://openalex.org/C73684929","wikidata":"https://www.wikidata.org/wiki/Q598870","display_name":"Lagrange multiplier","level":2,"score":0.7921113967895508},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6507055163383484},{"id":"https://openalex.org/C53469067","wikidata":"https://www.wikidata.org/wiki/Q505735","display_name":"Lagrangian","level":2,"score":0.5940622091293335},{"id":"https://openalex.org/C2982755384","wikidata":"https://www.wikidata.org/wiki/Q843483","display_name":"Rate distortion","level":3,"score":0.4745115637779236},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3825693726539612},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3313077688217163},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.2699401080608368},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22518807649612427},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13869982957839966},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.1227433979511261}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2352/issn.2470-1173.2020.10.ipas-136","is_oa":true,"landing_page_url":"https://doi.org/10.2352/issn.2470-1173.2020.10.ipas-136","pdf_url":"https://library.imaging.org/ei/articles/32/10/art00015","source":{"id":"https://openalex.org/S4210227276","display_name":"Electronic Imaging","issn_l":"2470-1173","issn":["2470-1173"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Imaging","raw_type":"journal-article"},{"id":"pmh:oai:arXiv.org:2204.08965","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2204.08965","pdf_url":"https://arxiv.org/pdf/2204.08965","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"}],"best_oa_location":{"id":"doi:10.2352/issn.2470-1173.2020.10.ipas-136","is_oa":true,"landing_page_url":"https://doi.org/10.2352/issn.2470-1173.2020.10.ipas-136","pdf_url":"https://library.imaging.org/ei/articles/32/10/art00015","source":{"id":"https://openalex.org/S4210227276","display_name":"Electronic Imaging","issn_l":"2470-1173","issn":["2470-1173"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Electronic Imaging","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3089144757.pdf","grobid_xml":"https://content.openalex.org/works/W3089144757.grobid-xml"},"referenced_works_count":16,"referenced_works":["https://openalex.org/W1511982185","https://openalex.org/W2036620219","https://openalex.org/W2105574607","https://openalex.org/W2146395539","https://openalex.org/W2152486668","https://openalex.org/W2169161136","https://openalex.org/W2384070407","https://openalex.org/W2509570425","https://openalex.org/W2566176507","https://openalex.org/W2588887225","https://openalex.org/W2751071708","https://openalex.org/W2890911786","https://openalex.org/W2895574347","https://openalex.org/W2939995367","https://openalex.org/W2975658103","https://openalex.org/W6761584824"],"related_works":["https://openalex.org/W2017306930","https://openalex.org/W2006535563","https://openalex.org/W2104468831","https://openalex.org/W1997033546","https://openalex.org/W3114863281","https://openalex.org/W2018913503","https://openalex.org/W2030379262","https://openalex.org/W3172992538","https://openalex.org/W2166327258","https://openalex.org/W2615390442"],"abstract_inverted_index":{"The":[0,93],"majority":[1],"of":[2,31,42,88],"internet":[3],"traffic":[4],"is":[5,45],"video":[6,13,21],"content.":[7],"This":[8,26,69],"drives":[9],"the":[10,29,33,49,102],"demand":[11],"for":[12,65,77],"compression":[14,38],"in":[15,53,110],"order":[16],"to":[17,47,61,71,73,107],"deliver":[18],"high":[19],"quality":[20],"at":[22],"low":[23],"target":[24],"bitrates.":[25],"paper":[27],"investigates":[28],"impact":[30],"adjusting":[32],"rate":[34],"distortion":[35],"equation":[36],"on":[37],"performance.":[39],"An":[40],"constant":[41],"proportionality,":[43],"k,":[44],"used":[46,52],"modify":[48],"Lagrange":[50],"multiplier":[51],"H.265":[54],"(HEVC).":[55],"Direct":[56],"optimisation":[57,98],"methods":[58],"are":[59,114],"deployed":[60],"maximise":[62],"BD-Rate":[63,75],"improvement":[64,76],"a":[66,84],"particular":[67],"clip.":[68,80],"leads":[70],"up":[72],"21%":[74],"an":[78],"individual":[79],"Furthermore":[81],"we":[82],"use":[83],"more":[85],"realistic":[86],"corpus":[87],"material":[89],"provided":[90],"by":[91],"YouTube.":[92],"results":[94],"show":[95],"that":[96,113],"direct":[97],"using":[99],"BD-rate":[100],"as":[101],"objective":[103],"function":[104],"can":[105],"lead":[106],"further":[108],"gains":[109],"bitrate":[111],"savings":[112],"not":[115],"available":[116],"with":[117],"previous":[118],"approaches.":[119]},"counts_by_year":[{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}