{"id":"https://openalex.org/W2932181384","doi":"https://doi.org/10.1109/tcsi.2019.2903978","title":"Quality and Energy-Aware HEVC Transrating Based on Machine Learning","display_name":"Quality and Energy-Aware HEVC Transrating Based on Machine Learning","publication_year":2019,"publication_date":"2019-03-28","ids":{"openalex":"https://openalex.org/W2932181384","doi":"https://doi.org/10.1109/tcsi.2019.2903978","mag":"2932181384"},"language":"en","primary_location":{"id":"doi:10.1109/tcsi.2019.2903978","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2019.2903978","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"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 Transactions on Circuits and Systems I: Regular Papers","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/A5090850210","display_name":"Thiago Bubolz","orcid":"https://orcid.org/0000-0003-0333-1393"},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Thiago Luiz Alves Bubolz","raw_affiliation_strings":["Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil"],"raw_orcid":"https://orcid.org/0000-0003-0333-1393","affiliations":[{"raw_affiliation_string":"Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil","institution_ids":["https://openalex.org/I169248161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033532286","display_name":"Ruhan Concei\u00e7\u00e3o","orcid":"https://orcid.org/0000-0002-3975-2838"},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Ruhan A. Conceicao","raw_affiliation_strings":["Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-3975-2838","affiliations":[{"raw_affiliation_string":"Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil","institution_ids":["https://openalex.org/I169248161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016210524","display_name":"Mateus Grellert","orcid":"https://orcid.org/0000-0003-0600-7054"},"institutions":[{"id":"https://openalex.org/I110676245","display_name":"Universidade Cat\u00f3lica de Pelotas","ror":"https://ror.org/0376myh60","country_code":"BR","type":"education","lineage":["https://openalex.org/I110676245"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Mateus Grellert","raw_affiliation_strings":["Graduate Program in Electrical and Computing Engineering, Catholic University of Pelotas, Pelotas, Brazil"],"raw_orcid":"https://orcid.org/0000-0003-0600-7054","affiliations":[{"raw_affiliation_string":"Graduate Program in Electrical and Computing Engineering, Catholic University of Pelotas, Pelotas, Brazil","institution_ids":["https://openalex.org/I110676245"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070735330","display_name":"Luciano Agostini","orcid":"https://orcid.org/0000-0002-3421-5830"},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Luciano Agostini","raw_affiliation_strings":["Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-3421-5830","affiliations":[{"raw_affiliation_string":"Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil","institution_ids":["https://openalex.org/I169248161"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057414253","display_name":"Bruno Zatt","orcid":"https://orcid.org/0000-0002-8045-957X"},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Bruno Zatt","raw_affiliation_strings":["Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-8045-957X","affiliations":[{"raw_affiliation_string":"Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil","institution_ids":["https://openalex.org/I169248161"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5024570296","display_name":"Guilherme Corr\u00eaa","orcid":"https://orcid.org/0000-0002-2739-6194"},"institutions":[{"id":"https://openalex.org/I169248161","display_name":"Universidade Federal de Pelotas","ror":"https://ror.org/05msy9z54","country_code":"BR","type":"education","lineage":["https://openalex.org/I169248161"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Guilherme Correa","raw_affiliation_strings":["Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-2739-6194","affiliations":[{"raw_affiliation_string":"Video Technology Research Group (ViTech), Graduate Program on Computer Science (PPGC), Federal University of Pelotas (UFPel), Pelotas, Brazil","institution_ids":["https://openalex.org/I169248161"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6176,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.68201986,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"66","issue":"6","first_page":"2124","last_page":"2136"},"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/T11165","display_name":"Image and Video Quality Assessment","score":0.994700014591217,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9843999743461609,"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":0.7420793771743774},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.7015743255615234},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.6228232383728027},{"id":"https://openalex.org/keywords/application-specific-integrated-circuit","display_name":"Application-specific integrated circuit","score":0.5277814269065857},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5076338052749634},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4497348368167877},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3790629506111145},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.3738178014755249},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3561255931854248},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.28466784954071045},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.13408246636390686},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.09880983829498291},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09072810411453247}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7420793771743774},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.7015743255615234},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.6228232383728027},{"id":"https://openalex.org/C77390884","wikidata":"https://www.wikidata.org/wiki/Q217302","display_name":"Application-specific integrated circuit","level":2,"score":0.5277814269065857},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5076338052749634},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4497348368167877},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3790629506111145},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.3738178014755249},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3561255931854248},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.28466784954071045},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.13408246636390686},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.09880983829498291},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09072810411453247},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsi.2019.2903978","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsi.2019.2903978","pdf_url":null,"source":{"id":"https://openalex.org/S116977442","display_name":"IEEE Transactions on Circuits and Systems I Regular Papers","issn_l":"1549-8328","issn":["1549-8328","1558-0806"],"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 Transactions on Circuits and Systems I: Regular Papers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.9100000262260437,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W129383413","https://openalex.org/W1568915082","https://openalex.org/W2031349701","https://openalex.org/W2095407248","https://openalex.org/W2101700394","https://openalex.org/W2109024809","https://openalex.org/W2125055259","https://openalex.org/W2146395539","https://openalex.org/W2187606256","https://openalex.org/W2466023328","https://openalex.org/W2512495095","https://openalex.org/W2518425094","https://openalex.org/W2756164379","https://openalex.org/W2772700683","https://openalex.org/W2793320545","https://openalex.org/W2810540348","https://openalex.org/W4246982576","https://openalex.org/W6652257716","https://openalex.org/W6678449394","https://openalex.org/W6719473894"],"related_works":["https://openalex.org/W2165367082","https://openalex.org/W2128178765","https://openalex.org/W1972641423","https://openalex.org/W611446063","https://openalex.org/W1600695362","https://openalex.org/W2108787918","https://openalex.org/W1967064512","https://openalex.org/W2389214306","https://openalex.org/W2388299947","https://openalex.org/W2945337394"],"abstract_inverted_index":{"Video":[0],"transrating":[1,27,64,102,152,157],"has":[2],"become":[3],"an":[4,33,118,169],"essential":[5],"task":[6],"to":[7,88,107,127],"allow":[8],"the":[9,15,26,80,89,128,136,149,179],"transmission":[10],"of":[11,14,105,115,123,138,145,160,181,192],"different":[12,76,85],"versions":[13],"same":[16],"video":[17,61],"in":[18,36,49,84,125,148],"streaming":[19],"services":[20],"and":[21,32,43,58,95,117,172],"live":[22],"applications.":[23],"However,":[24],"as":[25,168],"operation":[28],"comprises":[29],"a":[30,55,101,110,139,156,188],"decoding":[31],"encoding":[34],"step":[35],"sequence,":[37],"it":[38],"demands":[39],"high":[40],"processing":[41],"time":[42,103,158],"energy":[44,112],"consumption,":[45],"which":[46,154],"is":[47],"prohibitive":[48],"large-scale":[50],"systems.":[51],"This":[52],"paper":[53],"proposes":[54],"scalable":[56,71],"quality":[57,94],"time/energy-aware":[59],"high-efficiency":[60],"coding":[62],"(HEVC)":[63],"system":[65],"based":[66],"on":[67],"decision":[68,81,164],"trees.":[69],"The":[70,162],"scheme":[72],"operates":[73],"under":[74],"three":[75],"modes":[77],"that":[78],"employ":[79],"tree":[82],"outcomes":[83],"ways":[86],"according":[87],"desired":[90],"tradeoff":[91],"between":[92],"image":[93],"time/energy":[96],"savings.":[97],"Experimental":[98],"results":[99,132],"presented":[100],"reduction":[104,114,122,159],"up":[106],"57.5%,":[108],"with":[109,187],"minimum":[111],"consumption":[113,191],"49.5%":[116],"average":[119],"memory":[120],"bandwidth":[121],"24%":[124],"comparison":[126],"original":[129],"transcoder.":[130],"These":[131],"were":[133,166],"achieved":[134],"at":[135,184],"cost":[137],"Bj\u00f8ntegaard":[140],"delta":[141],"(BD)":[142],"rate":[143],"increase":[144],"only":[146],"0.664%":[147],"most":[150],"conservative":[151],"mode,":[153],"allows":[155],"48.5%.":[161],"proposed":[163],"trees":[165],"implemented":[167],"IP":[170],"core":[171],"synthesized":[173],"targeting":[174],"45-nm":[175],"ASIC":[176],"technology,":[177],"achieving":[178],"capability":[180],"processing$7680\\times":[182],"4320$videos":[183],"240":[185],"frames/s":[186],"negligible":[189],"power":[190],"0.849":[193],"mW.":[194]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-07-29T09:40:50.615796","created_date":"2025-10-10T00:00:00"}