{"id":"https://openalex.org/W2053503753","doi":"https://doi.org/10.1109/apsipa.2014.7041764","title":"Speed up HEVC encoder by precoding with H.264","display_name":"Speed up HEVC encoder by precoding with H.264","publication_year":2014,"publication_date":"2014-12-01","ids":{"openalex":"https://openalex.org/W2053503753","doi":"https://doi.org/10.1109/apsipa.2014.7041764","mag":"2053503753"},"language":"en","primary_location":{"id":"doi:10.1109/apsipa.2014.7041764","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apsipa.2014.7041764","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2014 Asia-Pacific","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/A5041801249","display_name":"Fangshun Mul","orcid":null},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fangshun Mul","raw_affiliation_strings":["Institute of Image Communication and Network Engineering, Shanghai Jiao Tong University, Shanghai, China","Shanghai Key Laboratory of Digital Media Processing and Transmissions, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Institute of Image Communication and Network Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Shanghai Key Laboratory of Digital Media Processing and Transmissions, Shanghai, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002404808","display_name":"Li Song","orcid":"https://orcid.org/0000-0002-7124-5182"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I23632641","display_name":"Shanghai University of Electric Power","ror":"https://ror.org/02w4tny03","country_code":"CN","type":"education","lineage":["https://openalex.org/I23632641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li Song","raw_affiliation_strings":["Institute of Image Communication and Network Engineering, Shanghai Jiao Tong University, Shanghai, China","School of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Institute of Image Communication and Network Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"School of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai, China","institution_ids":["https://openalex.org/I23632641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109915448","display_name":"Zhenyi Luo","orcid":null},"institutions":[{"id":"https://openalex.org/I23632641","display_name":"Shanghai University of Electric Power","ror":"https://ror.org/02w4tny03","country_code":"CN","type":"education","lineage":["https://openalex.org/I23632641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenyi Luo","raw_affiliation_strings":["School of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai, China","Shanghai Key Laboratory of Digital Media Processing and Transmissions, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai, China","institution_ids":["https://openalex.org/I23632641"]},{"raw_affiliation_string":"Shanghai Key Laboratory of Digital Media Processing and Transmissions, Shanghai, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103138406","display_name":"Xiangwen Wang","orcid":"https://orcid.org/0000-0001-7304-2576"},"institutions":[{"id":"https://openalex.org/I23632641","display_name":"Shanghai University of Electric Power","ror":"https://ror.org/02w4tny03","country_code":"CN","type":"education","lineage":["https://openalex.org/I23632641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiangwen Wang","raw_affiliation_strings":["School of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai, China","Shanghai Key Laboratory of Digital Media Processing and Transmissions, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"School of Electronics and Information Engineering, Shanghai University of Electric Power, Shanghai, China","institution_ids":["https://openalex.org/I23632641"]},{"raw_affiliation_string":"Shanghai Key Laboratory of Digital Media Processing and Transmissions, Shanghai, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019708391","display_name":"Xiaokang Yang","orcid":"https://orcid.org/0000-0003-4029-3322"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaokang Yang","raw_affiliation_strings":["Institute of Image Communication and Network Engineering, Shanghai Jiao Tong University, Shanghai, China","Shanghai Key Laboratory of Digital Media Processing and Transmissions, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Institute of Image Communication and Network Engineering, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"Shanghai Key Laboratory of Digital Media Processing and Transmissions, Shanghai, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5041801249"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":0.8734,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.74415509,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"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":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/T11165","display_name":"Image and Video Quality Assessment","score":0.9973999857902527,"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":0.9968000054359436,"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/precoding","display_name":"Precoding","score":0.8475167155265808},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.776870846748352},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.743631899356842},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3239905834197998},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.2502831220626831},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.054362475872039795}],"concepts":[{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.8475167155265808},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.776870846748352},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.743631899356842},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3239905834197998},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.2502831220626831},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.054362475872039795},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apsipa.2014.7041764","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apsipa.2014.7041764","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Signal and Information Processing Association Annual Summit and Conference (APSIPA), 2014 Asia-Pacific","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1968894603","https://openalex.org/W1979848167","https://openalex.org/W1991783374","https://openalex.org/W2032447642","https://openalex.org/W2057403270","https://openalex.org/W2061444531","https://openalex.org/W2109519887","https://openalex.org/W2112323765","https://openalex.org/W2153010305","https://openalex.org/W6666151878"],"related_works":["https://openalex.org/W2385621972","https://openalex.org/W2358489738","https://openalex.org/W3126277921","https://openalex.org/W3127732896","https://openalex.org/W4231964008","https://openalex.org/W4210446059","https://openalex.org/W155493962","https://openalex.org/W2014589784","https://openalex.org/W2807289511","https://openalex.org/W2056851291"],"abstract_inverted_index":{"The":[0,163],"new":[1,22],"video":[2],"coding":[3,23,28],"standard,":[4],"High":[5],"Efficiency":[6],"Video":[7],"Coding":[8,128],"(HEVC),":[9],"was":[10],"developed":[11],"to":[12,65,86,117,125,148],"replace":[13],"H264/AVC":[14,61,84,94],"and":[15,34,90,104,121,145,154,173,192],"achieves":[16],"high":[17],"efficiency":[18],"by":[19,157],"introducing":[20],"a":[21,54],"structure":[24],"in":[25,188],"adoption":[26],"of":[27,49,72,93,142,190],"unit":[29,32,36],"(CU),":[30],"prediction":[31,91],"(PU)":[33],"transform":[35],"(TU).":[37],"However,":[38],"it":[39],"also":[40],"imposes":[41],"great":[42],"computation":[43],"burden":[44],"on":[45,99,166],"the":[46,68,76,88,100,119,127,136,150,159,177],"mode":[47,147,156],"decision":[48],"encoders.":[50],"In":[51],"this":[52],"paper,":[53],"conceptual":[55],"HEVC":[56,73,111,137],"encoder":[57,62,85,138],"architecture":[58],"with":[59,81,185],"cascaded":[60],"is":[63,79],"proposed":[64,116,178],"speed":[66],"up":[67],"CTU":[69],"splitting":[70,132],"process":[71],"encoder.":[74],"First,":[75],"input":[77],"frame":[78],"precoded":[80],"an":[82],"efficient":[83],"gather":[87],"partition":[89],"information":[92],"macroblocks":[95],"(MBs).":[96],"Then":[97],"based":[98],"gathered":[101],"information,":[102],"CU":[103,120,144],"PU":[105,122,146,153],"modes":[106,124],"are":[107,115],"carefully":[108],"screened":[109],"during":[110],"encoding.":[112],"Two":[113],"schemes":[114],"reduce":[118,182],"candidate":[123,143],"accelerate":[126],"Tree":[129],"Unit":[130],"(CTU)":[131],"process.":[133],"At":[134],"last,":[135],"tries":[139],"all":[140],"combinations":[141],"determine":[149],"optimal":[151],"CU,":[152],"TU":[155],"computing":[158],"rate-distortion":[160],"(R-D)":[161],"cost.":[162],"experimental":[164],"results":[165],"highly-optimized":[167],"open":[168],"source":[169],"codecs":[170],"-":[171],"x264":[172],"x265":[174],"show":[175],"that":[176],"framework":[179],"can":[180],"effectively":[181],"encoding":[183],"time":[184],"negligible":[186],"loss":[187],"terms":[189],"PSNR":[191],"bitrate.":[193]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
