{"id":"https://openalex.org/W2134652259","doi":"https://doi.org/10.1109/iscas.2011.5937642","title":"Mode-dependent fast separable KLT for block-based intra coding","display_name":"Mode-dependent fast separable KLT for block-based intra coding","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2134652259","doi":"https://doi.org/10.1109/iscas.2011.5937642","mag":"2134652259"},"language":"en","primary_location":{"id":"doi:10.1109/iscas.2011.5937642","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2011.5937642","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Symposium of Circuits and Systems (ISCAS)","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/A5028054905","display_name":"Chuohao Yeo","orcid":null},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chuohao Yeo","raw_affiliation_strings":["Signal Processing Department, Institute for Infocomm Research, Singapore","Signal Processing Department, Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, South Tower, Singapore 138632"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Department, Institute for Infocomm Research, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Signal Processing Department, Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, South Tower, Singapore 138632","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100885845","display_name":"Yih Han Tan","orcid":null},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yih Han Tan","raw_affiliation_strings":["Signal Processing Department, Institute for Infocomm Research, Singapore","Signal Processing Department, Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, South Tower, Singapore 138632"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Department, Institute for Infocomm Research, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Signal Processing Department, Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, South Tower, Singapore 138632","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100700917","display_name":"Zhengguo Li","orcid":"https://orcid.org/0000-0002-4525-1204"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Zhengguo Li","raw_affiliation_strings":["Signal Processing Department, Institute for Infocomm Research, Singapore","Signal Processing Department, Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, South Tower, Singapore 138632"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Department, Institute for Infocomm Research, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Signal Processing Department, Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, South Tower, Singapore 138632","institution_ids":["https://openalex.org/I3005327000"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054558832","display_name":"Susanto Rahardja","orcid":"https://orcid.org/0000-0003-0831-6934"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Susanto Rahardja","raw_affiliation_strings":["Signal Processing Department, Institute for Infocomm Research, Singapore","Signal Processing Department, Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, South Tower, Singapore 138632"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Signal Processing Department, Institute for Infocomm Research, Singapore","institution_ids":["https://openalex.org/I3005327000"]},{"raw_affiliation_string":"Signal Processing Department, Institute for Infocomm Research, 1 Fusionopolis Way, #21-01 Connexis, South Tower, Singapore 138632","institution_ids":["https://openalex.org/I3005327000"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.433,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.93337241,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"621","last_page":"624"},"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9965999722480774,"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/T11165","display_name":"Image and Video Quality Assessment","score":0.9962000250816345,"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/discrete-cosine-transform","display_name":"Discrete cosine transform","score":0.8600883483886719},{"id":"https://openalex.org/keywords/separable-space","display_name":"Separable space","score":0.661407470703125},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6377127766609192},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6185340881347656},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6071491837501526},{"id":"https://openalex.org/keywords/transform-coding","display_name":"Transform coding","score":0.5198431611061096},{"id":"https://openalex.org/keywords/algorithmic-efficiency","display_name":"Algorithmic efficiency","score":0.4581867456436157},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.4238261878490448},{"id":"https://openalex.org/keywords/mode","display_name":"Mode (computer interface)","score":0.4182264804840088},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.39837536215782166},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3381290137767792},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3236309885978699},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.09196263551712036}],"concepts":[{"id":"https://openalex.org/C2221639","wikidata":"https://www.wikidata.org/wiki/Q2877","display_name":"Discrete cosine transform","level":3,"score":0.8600883483886719},{"id":"https://openalex.org/C70710897","wikidata":"https://www.wikidata.org/wiki/Q680081","display_name":"Separable space","level":2,"score":0.661407470703125},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6377127766609192},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6185340881347656},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6071491837501526},{"id":"https://openalex.org/C169805256","wikidata":"https://www.wikidata.org/wiki/Q1361381","display_name":"Transform coding","level":4,"score":0.5198431611061096},{"id":"https://openalex.org/C116709606","wikidata":"https://www.wikidata.org/wiki/Q1296251","display_name":"Algorithmic efficiency","level":3,"score":0.4581867456436157},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.4238261878490448},{"id":"https://openalex.org/C48677424","wikidata":"https://www.wikidata.org/wiki/Q6888088","display_name":"Mode (computer interface)","level":2,"score":0.4182264804840088},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.39837536215782166},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3381290137767792},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3236309885978699},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.09196263551712036},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/iscas.2011.5937642","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscas.2011.5937642","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Symposium of Circuits and Systems (ISCAS)","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":12,"referenced_works":["https://openalex.org/W186974785","https://openalex.org/W1603895355","https://openalex.org/W2008221957","https://openalex.org/W2101700394","https://openalex.org/W2133669042","https://openalex.org/W2133833176","https://openalex.org/W2165101139","https://openalex.org/W2276329208","https://openalex.org/W2488097972","https://openalex.org/W6607646122","https://openalex.org/W6652650672","https://openalex.org/W6684412653"],"related_works":["https://openalex.org/W2094583657","https://openalex.org/W1594300462","https://openalex.org/W1606460848","https://openalex.org/W2158009109","https://openalex.org/W2115252864","https://openalex.org/W1706111048","https://openalex.org/W2129927873","https://openalex.org/W2112852877","https://openalex.org/W2772846670","https://openalex.org/W2034796835"],"abstract_inverted_index":{"In":[0,86],"this":[1],"paper,":[2],"we":[3,28,45,95],"derive":[4],"separable":[5],"KLTs":[6],"for":[7,23,36],"coding":[8,118],"H.264/AVC":[9],"intra":[10,25],"prediction":[11,26],"residuals,":[12],"using":[13],"a":[14,71],"simple":[15],"image":[16,57],"correlation":[17,58],"model.":[18],"Our":[19,110],"analysis":[20],"shows":[21],"that":[22,50,73,114],"some":[24],"modes,":[27],"can":[29,74],"in":[30,115],"fact":[31],"just":[32],"use":[33,100],"the":[34,39,48,56,79,83,104,107],"DCT":[35,105],"performing":[37],"either":[38],"row-wise":[40],"or":[41],"column-wise":[42],"transform.":[43],"Furthermore,":[44],"also":[46,69],"compute":[47],"KLT":[49],"should":[51],"be":[52,75],"used":[53],"based":[54],"on":[55],"model,":[59],"which":[60],"happens":[61],"to":[62,77,98,133],"have":[63],"sinosuidal":[64],"terms.":[65],"The":[66],"4\u00d74":[67],"transform":[68,84],"has":[70,123,141],"structure":[72],"exploited":[76],"reduce":[78],"operation":[80],"count":[81],"of":[82,90,101,117],"operation.":[85],"our":[87,120,135],"simplified":[88],"implementation":[89],"mode-dependent":[91],"directional":[92],"transforms":[93],"(MDDT),":[94],"only":[96],"need":[97],"make":[99],"two":[102],"matrices:":[103],"and":[106,140,144],"derived":[108],"KLT.":[109],"experimental":[111],"results":[112],"show":[113],"terms":[116],"efficiency,":[119],"proposed":[121],"approach":[122,136],"similar":[124],"performance":[125],"when":[126],"compared":[127,132],"with":[128],"MDDT.":[129],"More":[130],"importantly,":[131],"MDDT,":[134],"requires":[137],"no":[138],"training":[139],"lower":[142],"computational":[143],"storage":[145],"costs.":[146]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}