{"id":"https://openalex.org/W2075704747","doi":"https://doi.org/10.1109/mmsp.2014.6958818","title":"Towards efficient wavefront parallel encoding of HEVC: Parallelism analysis and improvement","display_name":"Towards efficient wavefront parallel encoding of HEVC: Parallelism analysis and improvement","publication_year":2014,"publication_date":"2014-09-01","ids":{"openalex":"https://openalex.org/W2075704747","doi":"https://doi.org/10.1109/mmsp.2014.6958818","mag":"2075704747"},"language":"en","primary_location":{"id":"doi:10.1109/mmsp.2014.6958818","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mmsp.2014.6958818","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE 16th International Workshop on Multimedia Signal Processing (MMSP)","raw_type":"proceedings-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/A5101632954","display_name":"Keji Chen","orcid":"https://orcid.org/0000-0003-4621-6539"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Keji Chen","raw_affiliation_strings":["Institute of Computer Science and Technology, Peking University, Beijing, China","Institute of Computer Science & Technology, Peking University, Beijing, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Institute of Computer Science and Technology, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Computer Science & Technology, Peking University, Beijing, China#TAB#","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037647804","display_name":"Yizhou Duan","orcid":null},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yizhou Duan","raw_affiliation_strings":["Institute of Computer Science and Technology, Peking University, Beijing, China","Institute of Computer Science & Technology, Peking University, Beijing, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Institute of Computer Science and Technology, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Computer Science & Technology, Peking University, Beijing, China#TAB#","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101761197","display_name":"Jun Sun","orcid":"https://orcid.org/0000-0001-6864-0803"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jun Sun","raw_affiliation_strings":["Institute of Computer Science and Technology, Peking University, Beijing, China","Institute of Computer Science & Technology, Peking University, Beijing, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Institute of Computer Science and Technology, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Computer Science & Technology, Peking University, Beijing, China#TAB#","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001396675","display_name":"Zongming Guo","orcid":"https://orcid.org/0000-0002-4944-9621"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zongming Guo","raw_affiliation_strings":["Institute of Computer Science and Technology, Peking University, Beijing, China","Institute of Computer Science & Technology, Peking University, Beijing, China#TAB#"],"affiliations":[{"raw_affiliation_string":"Institute of Computer Science and Technology, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Computer Science & Technology, Peking University, Beijing, China#TAB#","institution_ids":["https://openalex.org/I20231570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5101632954"],"corresponding_institution_ids":["https://openalex.org/I20231570"],"apc_list":null,"apc_paid":null,"fwci":0.5823,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.68188657,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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":0.9997000098228455,"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":0.9977999925613403,"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":0.8778612613677979},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6674773693084717},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.6330193281173706},{"id":"https://openalex.org/keywords/speedup","display_name":"Speedup","score":0.5947595238685608},{"id":"https://openalex.org/keywords/bottleneck","display_name":"Bottleneck","score":0.5396372079849243},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.508799135684967},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3051842451095581},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.13327711820602417},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.0705934464931488}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8778612613677979},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6674773693084717},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.6330193281173706},{"id":"https://openalex.org/C68339613","wikidata":"https://www.wikidata.org/wiki/Q1549489","display_name":"Speedup","level":2,"score":0.5947595238685608},{"id":"https://openalex.org/C2780513914","wikidata":"https://www.wikidata.org/wiki/Q18210350","display_name":"Bottleneck","level":2,"score":0.5396372079849243},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.508799135684967},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3051842451095581},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.13327711820602417},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0705934464931488},{"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/mmsp.2014.6958818","is_oa":false,"landing_page_url":"https://doi.org/10.1109/mmsp.2014.6958818","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE 16th International Workshop on Multimedia Signal Processing (MMSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1737052233","https://openalex.org/W2033140753","https://openalex.org/W2043292349","https://openalex.org/W2091389153","https://openalex.org/W2106219841","https://openalex.org/W2131799300","https://openalex.org/W2132599370","https://openalex.org/W2140029418","https://openalex.org/W2145905710","https://openalex.org/W2146395539","https://openalex.org/W2979673094","https://openalex.org/W2979990382","https://openalex.org/W6769015554"],"related_works":["https://openalex.org/W2891987081","https://openalex.org/W2317245370","https://openalex.org/W4249323025","https://openalex.org/W198851386","https://openalex.org/W2030310580","https://openalex.org/W947442053","https://openalex.org/W1980160788","https://openalex.org/W2148915962","https://openalex.org/W2283866686","https://openalex.org/W4287182096"],"abstract_inverted_index":{"High":[0],"Efficiency":[1],"Video":[2],"Coding":[3,59],"(HEVC)":[4],"is":[5,21,30,88,120,130],"the":[6,26,44,50,81,110,124,150,176],"new":[7],"generation":[8],"video":[9,193],"coding":[10,17,179],"standard":[11,172],"which":[12,34],"achieves":[13],"significant":[14],"improvement":[15],"in":[16,23,38,53],"efficiency.":[18],"Although":[19],"HEVC":[20,39,141,165,192],"promising":[22,187],"many":[24],"applications,":[25],"increased":[27],"computational":[28],"complexity":[29],"a":[31,58,70,95,186],"serious":[32],"problem,":[33],"makes":[35],"parallelization":[36,47],"necessary":[37],"encoding.":[40],"To":[41],"better":[42],"understand":[43],"bottleneck":[45],"of":[46,102,135,167],"and":[48,85,153,161,170],"improve":[49],"encoding":[51,76,166],"speed,":[52],"this":[54,105],"paper,":[55],"we":[56],"propose":[57],"Tree":[60],"Blocks":[61],"(CTB)":[62],"level":[63],"parallelism":[64,84,87,126,137],"analysis":[65,127],"method":[66,119,152],"as":[67,69,94,182],"well":[68],"novel":[71],"Inter-Frame":[72],"Wavefront":[73,114],"(IFW)":[74],"parallel":[75,100,143],"method.":[77],"First,":[78],"by":[79,91,107],"establishing":[80],"relationship":[82],"between":[83],"dependence,":[86],"precisely":[89],"described":[90],"CTB-level":[92],"dependence":[93,111],"criterion":[96],"to":[97,133,158],"evaluate":[98],"different":[99],"methods":[101],"HEVC.":[103],"On":[104],"basis,":[106],"effectively":[108],"decreasing":[109],"based":[112],"on":[113],"Parallel":[115],"Processing":[116],"(WPP),":[117],"IFW":[118,129],"developed.":[121],"Finally,":[122],"with":[123,139,175],"proposed":[125,151],"method,":[128],"theoretically":[131],"proved":[132],"be":[134],"higher":[136],"compared":[138],"other":[140],"representative":[142],"methods.":[144],"Extensive":[145],"experimental":[146],"results":[147],"show":[148],"that,":[149],"implementation":[154],"can":[155],"bring":[156],"up":[157],"17.81x,":[159],"14.34x":[160],"24.40x":[162],"speedup":[163],"for":[164,189],"WVGA,":[168],"720p":[169],"1080p":[171],"test":[173],"sequences":[174],"same":[177],"ignorable":[178],"performance":[180],"degradation":[181],"WPP,":[183],"thus":[184],"showing":[185],"technology":[188],"future":[190],"large-scale":[191],"application.":[194]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
