{"id":"https://openalex.org/W1976740900","doi":"https://doi.org/10.4304/jmm.8.5.489-495","title":"Spatial Characteristic Based Rate Control Initialization Method for Conversational Video Communication of H.264/AVC Using Linear Prediction","display_name":"Spatial Characteristic Based Rate Control Initialization Method for Conversational Video Communication of H.264/AVC Using Linear Prediction","publication_year":2013,"publication_date":"2013-10-04","ids":{"openalex":"https://openalex.org/W1976740900","doi":"https://doi.org/10.4304/jmm.8.5.489-495","mag":"1976740900"},"language":"en","primary_location":{"id":"doi:10.4304/jmm.8.5.489-495","is_oa":false,"landing_page_url":"https://doi.org/10.4304/jmm.8.5.489-495","pdf_url":null,"source":{"id":"https://openalex.org/S16006927","display_name":"Journal of Multimedia","issn_l":"1796-2048","issn":["1796-2048"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318660","host_organization_name":"Academy Publisher","host_organization_lineage":["https://openalex.org/P4310318660"],"host_organization_lineage_names":["Academy Publisher"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Multimedia","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/A5100932465","display_name":"Jinbao Cai","orcid":null},"institutions":[{"id":"https://openalex.org/I4510145","display_name":"Jiangxi University of Science and Technology","ror":"https://ror.org/03q0t9252","country_code":"CN","type":"education","lineage":["https://openalex.org/I4510145"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinbao Cai","raw_affiliation_strings":["Jiangxi University of Science and Technology, Ganzhou, Jiangxi"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Jiangxi University of Science and Technology, Ganzhou, Jiangxi","institution_ids":["https://openalex.org/I4510145"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088187855","display_name":"YaIin Wu","orcid":null},"institutions":[{"id":"https://openalex.org/I70591777","display_name":"Jeonju University","ror":"https://ror.org/015v9d997","country_code":"KR","type":"education","lineage":["https://openalex.org/I70591777"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"YaIin Wu","raw_affiliation_strings":["Department of Smart Information Systems, Jeonju University, Jeonju, Jeonbuk"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Smart Information Systems, Jeonju University, Jeonju, Jeonbuk","institution_ids":["https://openalex.org/I70591777"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3174,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.54306037,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"8","issue":"5","first_page":null,"last_page":null},"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":0.9986000061035156,"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/T12720","display_name":"Multimedia Communication and Technology","score":0.9983999729156494,"subfield":{"id":"https://openalex.org/subfields/3312","display_name":"Sociology and Political Science"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8547489047050476},{"id":"https://openalex.org/keywords/initialization","display_name":"Initialization","score":0.7541439533233643},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.46383556723594666},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.41235336661338806},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.32146063446998596}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8547489047050476},{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.7541439533233643},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.46383556723594666},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.41235336661338806},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.32146063446998596},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.4304/jmm.8.5.489-495","is_oa":false,"landing_page_url":"https://doi.org/10.4304/jmm.8.5.489-495","pdf_url":null,"source":{"id":"https://openalex.org/S16006927","display_name":"Journal of Multimedia","issn_l":"1796-2048","issn":["1796-2048"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310318660","host_organization_name":"Academy Publisher","host_organization_lineage":["https://openalex.org/P4310318660"],"host_organization_lineage_names":["Academy Publisher"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Multimedia","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":15,"referenced_works":["https://openalex.org/W601808250","https://openalex.org/W2004377828","https://openalex.org/W2042914048","https://openalex.org/W2054540875","https://openalex.org/W2087741552","https://openalex.org/W2108858612","https://openalex.org/W2135266452","https://openalex.org/W2140199336","https://openalex.org/W2143679284","https://openalex.org/W2146395539","https://openalex.org/W2148790162","https://openalex.org/W2152516623","https://openalex.org/W2155667284","https://openalex.org/W2169113461","https://openalex.org/W3141655762"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W3176564347","https://openalex.org/W3031039437","https://openalex.org/W3204184292","https://openalex.org/W1985458517","https://openalex.org/W2355833770","https://openalex.org/W3101398262","https://openalex.org/W3095877357","https://openalex.org/W10861731"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,28,77,128],"propose":[4,129],"a":[5,103],"method":[6,183],"of":[7,24,39,47,54,63,66,98,133],"initializing":[8],"the":[9,30,37,40,61,64,72,96,109,117,130,181],"quantization":[10],"parameter":[11],"(":[12,42],"QP":[13,83,100,137,160],")":[14,44],"in":[15,71,102],"H.264":[16],"rate":[17,114,120,171],"control":[18],"algorithm":[19],"based":[20],"on":[21],"spatial":[22,52,142],"characteristic":[23,53,143],"conversational":[25,33],"video.":[26],"Primarily,":[27],"choose":[29],"fourteen":[31],"various":[32,122],"videos":[34],"and":[35,166,175,190],"calculate":[36],"complexity":[38],"macroblock":[41],"MB":[43,49,69],"using":[45],"variance":[46],".":[50],"The":[51,149,173],"each":[55],"video":[56,89],"can":[57,86,152],"be":[58,153],"quantized":[59],"by":[60,94],"proportion":[62],"number":[65],"complex":[67],"first":[73],"frame.":[74],"And":[75,126],"then":[76,127],"find":[78],"their":[79],"optimal":[80,134,157],"initial":[81,135,158],"s":[84,101,139],"which":[85],"guarantee":[87,163],"that":[88,180],"sequences":[90],"have":[91],"consistent":[92,164],"quality":[93,165,187],"minimizing":[95,110],"variation":[97],"GOP":[105],",":[106],"while":[107],"ensuring":[108],"actual":[111],"encoding":[112],"bit":[113,119,124,147,170],"closer":[115],"to":[116,155,162,167],"target":[118,169],"over":[121,144],"low":[123,146],"rates.":[125,148],"fitted":[131],"models":[132],"against":[141],"different":[145],"proposed":[150,182],"model":[151],"used":[154],"determine":[156],"meet":[168],"simultaneously.":[172],"objective":[174],"subjective":[176],"simulation":[177],"results":[178],"show":[179],"achieves":[184],"better":[185],"balance":[186],"than":[188],"JM10.2":[189],"previous":[191],"research":[192],"result":[193]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}