{"id":"https://openalex.org/W2157972962","doi":"https://doi.org/10.1109/tcsvt.2010.2046052","title":"Classified Multifilter Up-Sampling Algorithm in Spatial Scalability for H.264/SVC Encoder","display_name":"Classified Multifilter Up-Sampling Algorithm in Spatial Scalability for H.264/SVC Encoder","publication_year":2010,"publication_date":"2010-03-19","ids":{"openalex":"https://openalex.org/W2157972962","doi":"https://doi.org/10.1109/tcsvt.2010.2046052","mag":"2157972962"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2010.2046052","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2010.2046052","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"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 for Video Technology","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/A5020738319","display_name":"An\u2010Chao Tsai","orcid":"https://orcid.org/0000-0003-4364-6760"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"An-Chao Tsai","raw_affiliation_strings":["Department of Electronic Engineering, National Cheng Kung University, Tainan, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, National Cheng Kung University, Tainan, Taiwan","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111731886","display_name":"K. Bharanitharan","orcid":null},"institutions":[{"id":"https://openalex.org/I197347611","display_name":"Korea University","ror":"https://ror.org/047dqcg40","country_code":"KR","type":"education","lineage":["https://openalex.org/I197347611"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"K Bharanitharan","raw_affiliation_strings":["Department of Electronic Engineering, Korea University, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, Korea University, Seoul, South Korea","institution_ids":["https://openalex.org/I197347611"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088136847","display_name":"Jhing-Fa Wang","orcid":"https://orcid.org/0009-0000-2816-2480"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jhing-Fa Wang","raw_affiliation_strings":["Department of Electronic Engineering, National Cheng Kung University, Tainan, Taiwan"],"affiliations":[{"raw_affiliation_string":"Department of Electronic Engineering, National Cheng Kung University, Tainan, Taiwan","institution_ids":["https://openalex.org/I91807558"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5086898047","display_name":"Jar\u2010Ferr Yang","orcid":"https://orcid.org/0000-0003-3024-5634"},"institutions":[{"id":"https://openalex.org/I91807558","display_name":"National Cheng Kung University","ror":"https://ror.org/01b8kcc49","country_code":"TW","type":"education","lineage":["https://openalex.org/I91807558"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Jar-Ferr Yang","raw_affiliation_strings":["Technologies of Ubiquitous Computing and Humanity Center, National Cheng Kung University, Tainan, Taiwan"],"affiliations":[{"raw_affiliation_string":"Technologies of Ubiquitous Computing and Humanity Center, National Cheng Kung University, Tainan, Taiwan","institution_ids":["https://openalex.org/I91807558"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5020738319"],"corresponding_institution_ids":["https://openalex.org/I91807558"],"apc_list":null,"apc_paid":null,"fwci":1.0114,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.77810919,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"20","issue":"6","first_page":"861","last_page":"869"},"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":0.9998000264167786,"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":0.9995999932289124,"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":0.67629075050354},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.6591009497642517},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.5859935879707336},{"id":"https://openalex.org/keywords/scalable-video-coding","display_name":"Scalable Video Coding","score":0.5834683179855347},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5447961688041687},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5187092423439026},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.49986934661865234},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.47898268699645996},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.47388404607772827},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.46158888936042786},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.3960348665714264},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.36118122935295105},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.26224344968795776},{"id":"https://openalex.org/keywords/motion-compensation","display_name":"Motion compensation","score":0.16952776908874512}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.67629075050354},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.6591009497642517},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.5859935879707336},{"id":"https://openalex.org/C133529210","wikidata":"https://www.wikidata.org/wiki/Q1076113","display_name":"Scalable Video Coding","level":3,"score":0.5834683179855347},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5447961688041687},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5187092423439026},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.49986934661865234},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.47898268699645996},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.47388404607772827},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.46158888936042786},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.3960348665714264},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.36118122935295105},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.26224344968795776},{"id":"https://openalex.org/C128840427","wikidata":"https://www.wikidata.org/wiki/Q1302174","display_name":"Motion compensation","level":2,"score":0.16952776908874512},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsvt.2010.2046052","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2010.2046052","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"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 for Video Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.46000000834465027}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1985523950","https://openalex.org/W2079023888","https://openalex.org/W2101700394","https://openalex.org/W2106219841","https://openalex.org/W2107333657","https://openalex.org/W2115176813","https://openalex.org/W2117172213","https://openalex.org/W2122726909","https://openalex.org/W2130776173","https://openalex.org/W2131634726","https://openalex.org/W2140199336","https://openalex.org/W2143384667","https://openalex.org/W2157494358","https://openalex.org/W2157968118","https://openalex.org/W2158477684","https://openalex.org/W2167789654","https://openalex.org/W2168573851","https://openalex.org/W2172073677","https://openalex.org/W2172128189","https://openalex.org/W4212783130","https://openalex.org/W7017628706"],"related_works":["https://openalex.org/W2389214306","https://openalex.org/W4390516098","https://openalex.org/W4235240664","https://openalex.org/W2965083567","https://openalex.org/W1838576100","https://openalex.org/W2156028128","https://openalex.org/W1968047268","https://openalex.org/W2096875370","https://openalex.org/W2556941738","https://openalex.org/W2005223122"],"abstract_inverted_index":{"H.264/scalable":[0],"video":[1,42,49],"coding":[2],"(SVC)":[3],"has":[4],"spatial":[5,66],"scalability":[6,67],"which":[7,68,137],"can":[8,21],"provide":[9],"various":[10,19],"resolution":[11,29],"sequences":[12],"for":[13,63,96,101],"a":[14,26,58],"single":[15],"encoded":[16],"bit-stream.":[17],"The":[18,31,117],"resolutions":[20],"be":[22],"achieved":[23],"by":[24],"up-sampling":[25,32,54,61],"lower":[27],"image":[28,71,115],"sequence.":[30,116],"method":[33,145],"employed":[34],"in":[35,65,112],"H.264/SVC":[36,64,153],"is":[37,80,146],"directly":[38],"proportional":[39],"to":[40,46,83,108],"the":[41,48,85,88,93,104,110,113,122,140,143,151],"quality.":[43],"In":[44,87],"order":[45],"improve":[47],"quality":[50],"with":[51],"an":[52,70],"effective":[53],"method,":[55],"we":[56,91],"propose":[57],"classified":[59],"multifilter":[60],"algorithm":[62],"classifies":[69],"region":[72],"as":[73],"edges":[74,97,111],"and":[75,98,128,134],"nonedges.":[76],"An":[77],"appropriate":[78],"filter":[79,95,100],"then":[81],"applied":[82,92],"up-sample":[84],"image.":[86],"proposed":[89,144],"scheme,":[90],"Wiener":[94],"conventional":[99],"nonedges":[102],"within":[103],"defined":[105],"window":[106],"size":[107],"preserve":[109],"up-sampled":[114],"experimental":[118],"results":[119],"show":[120],"that":[121,139,149],"average":[123],"peak":[124],"signal-to-noise":[125],"ratio":[126],"improvement":[127],"bit-rate":[129],"reduction":[130],"are":[131],"0.5":[132],"dB":[133],"9%,":[135],"respectively,":[136],"confirm":[138],"performance":[141],"of":[142,150],"better":[147],"than":[148],"existing":[152],"standard.":[154]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}