{"id":"https://openalex.org/W2957685254","doi":"https://doi.org/10.3103/s0146411619030076","title":"An Improved Intra Block Copy Algorithm Based on Character Segmentation","display_name":"An Improved Intra Block Copy Algorithm Based on Character Segmentation","publication_year":2019,"publication_date":"2019-05-01","ids":{"openalex":"https://openalex.org/W2957685254","doi":"https://doi.org/10.3103/s0146411619030076","mag":"2957685254"},"language":"en","primary_location":{"id":"doi:10.3103/s0146411619030076","is_oa":false,"landing_page_url":"https://doi.org/10.3103/s0146411619030076","pdf_url":null,"source":{"id":"https://openalex.org/S17203304","display_name":"Automatic Control and Computer Sciences","issn_l":"0146-4116","issn":["0146-4116","1558-108X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320267","host_organization_name":"Pleiades Publishing","host_organization_lineage":["https://openalex.org/P4310320267","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Pleiades Publishing","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Automatic Control and Computer Sciences","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/A5100603417","display_name":"Zhi Liu","orcid":"https://orcid.org/0000-0001-7205-441X"},"institutions":[{"id":"https://openalex.org/I1456306","display_name":"North China University of Technology","ror":"https://ror.org/01nky7652","country_code":"CN","type":"education","lineage":["https://openalex.org/I1456306"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhi Liu","raw_affiliation_strings":["North China University of Technology, 100144, Beijing, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"North China University of Technology, 100144, Beijing, P.R. China","institution_ids":["https://openalex.org/I1456306"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100442185","display_name":"Mengmeng Zhang","orcid":"https://orcid.org/0000-0002-2016-741X"},"institutions":[{"id":"https://openalex.org/I1456306","display_name":"North China University of Technology","ror":"https://ror.org/01nky7652","country_code":"CN","type":"education","lineage":["https://openalex.org/I1456306"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mengmeng Zhang","raw_affiliation_strings":["North China University of Technology, 100144, Beijing, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"North China University of Technology, 100144, Beijing, P.R. China","institution_ids":["https://openalex.org/I1456306"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085391702","display_name":"Shipeng Dou","orcid":null},"institutions":[{"id":"https://openalex.org/I1456306","display_name":"North China University of Technology","ror":"https://ror.org/01nky7652","country_code":"CN","type":"education","lineage":["https://openalex.org/I1456306"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shipeng Dou","raw_affiliation_strings":["North China University of Technology, 100144, Beijing, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"North China University of Technology, 100144, Beijing, P.R. China","institution_ids":["https://openalex.org/I1456306"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032390007","display_name":"Changzhi An","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Changzhi An","raw_affiliation_strings":["Beijing China Electronic Intelligent Communication Technology Co. Ltd., 100085, Beijing, P.R. China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing China Electronic Intelligent Communication Technology Co. Ltd., 100085, Beijing, P.R. China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5100442185","https://openalex.org/A5100603417"],"corresponding_institution_ids":["https://openalex.org/I1456306"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06987267,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"53","issue":"3","first_page":"263","last_page":"269"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10741","display_name":"Video Coding and Compression Technologies","score":0.9937000274658203,"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":0.9937000274658203,"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/T11439","display_name":"Video Analysis and Summarization","score":0.9930999875068665,"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":0.9819999933242798,"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":0.8781780004501343},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6336175203323364},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6208339929580688},{"id":"https://openalex.org/keywords/segmentation","display_name":"Segmentation","score":0.6054701209068298},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.5587135553359985},{"id":"https://openalex.org/keywords/bit-rate","display_name":"Bit rate","score":0.5244588851928711},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.29395031929016113},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.1138615608215332},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08834728598594666}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8781780004501343},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6336175203323364},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6208339929580688},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.6054701209068298},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.5587135553359985},{"id":"https://openalex.org/C2987812609","wikidata":"https://www.wikidata.org/wiki/Q194158","display_name":"Bit rate","level":2,"score":0.5244588851928711},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.29395031929016113},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.1138615608215332},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08834728598594666},{"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:10.3103/s0146411619030076","is_oa":false,"landing_page_url":"https://doi.org/10.3103/s0146411619030076","pdf_url":null,"source":{"id":"https://openalex.org/S17203304","display_name":"Automatic Control and Computer Sciences","issn_l":"0146-4116","issn":["0146-4116","1558-108X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320267","host_organization_name":"Pleiades Publishing","host_organization_lineage":["https://openalex.org/P4310320267","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Pleiades Publishing","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Automatic Control and Computer Sciences","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1566882572","https://openalex.org/W2044470449","https://openalex.org/W2072747997","https://openalex.org/W2137554018","https://openalex.org/W2146395539","https://openalex.org/W2149584339","https://openalex.org/W2159527094","https://openalex.org/W2163479845"],"related_works":["https://openalex.org/W2051487156","https://openalex.org/W2073681303","https://openalex.org/W2317200988","https://openalex.org/W3203142394","https://openalex.org/W4302615923","https://openalex.org/W2351061015","https://openalex.org/W2017509870","https://openalex.org/W4242191701","https://openalex.org/W1986748663","https://openalex.org/W2007606039"],"abstract_inverted_index":{"Abstract":[0],"Since":[1],"the":[2,5,12,31,43,52,68,100,129],"publication":[3],"of":[4,19,30,40,94,112],"High":[6],"Efficient":[7],"Video":[8],"Coding":[9],"(HEVC)":[10],"as":[11],"newest":[13],"video":[14],"coding":[15,38,69],"standard,":[16],"some":[17],"extension":[18,39],"HEVC":[20],"has":[21],"been":[22],"explored.":[23],"Intra":[24,76],"Block":[25],"Copy":[26],"(IntraBC)":[27],"is":[28,80],"one":[29,55],"most":[32],"important":[33],"tools":[34],"defined":[35],"in":[36,48,118,124,132],"screen":[37,88],"HEVC.":[41],"However,":[42],"simplex":[44],"partitioning":[45],"method":[46],"used":[47],"IntraBC":[49],"leads":[50],"to":[51],"problem":[53],"that":[54,99],"CU":[56],"may":[57],"contain":[58],"several":[59],"irrelevant":[60],"and":[61,121],"complex":[62],"texts":[63],"or":[64],"graphs,":[65],"which":[66],"degrades":[67],"efficiency.":[70],"In":[71],"this":[72],"paper,":[73],"an":[74],"improved":[75],"block":[77],"copy":[78],"algorithm":[79,102,131],"proposed":[81,101],"based":[82],"on":[83],"character":[84],"segmentation":[85],"exclusively":[86],"for":[87],"videos":[89],"containing":[90],"a":[91,105],"large":[92],"number":[93],"texts.":[95],"Experimental":[96],"results":[97],"show":[98],"can":[103],"provide":[104],"Bj\u00f8ntegaard":[106],"delta":[107],"bit":[108],"rate":[109],"(BD-rate)":[110],"reduction":[111],"0.72%":[113],"with":[114,128],"only":[115],"3%":[116],"increase":[117,123],"encoding":[119],"time":[120,126],"no":[122],"decoding":[125],"compared":[127],"default":[130],"HM-16.7+SCM-5.4.":[133]},"counts_by_year":[],"updated_date":"2026-07-31T08:31:51.225901","created_date":"2025-10-10T00:00:00"}
