{"id":"https://openalex.org/W2798014773","doi":"https://doi.org/10.1109/tcsvt.2018.2826052","title":"Dictionary Learning-Based, Directional, and Optimized Prediction for Lenslet Image Coding","display_name":"Dictionary Learning-Based, Directional, and Optimized Prediction for Lenslet Image Coding","publication_year":2018,"publication_date":"2018-04-12","ids":{"openalex":"https://openalex.org/W2798014773","doi":"https://doi.org/10.1109/tcsvt.2018.2826052","mag":"2798014773"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2018.2826052","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2018.2826052","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/A5101752928","display_name":"Rui Zhong","orcid":"https://orcid.org/0000-0003-0126-7543"},"institutions":[{"id":"https://openalex.org/I13469542","display_name":"Vrije Universiteit Brussel","ror":"https://ror.org/006e5kg04","country_code":"BE","type":"education","lineage":["https://openalex.org/I13469542"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Rui Zhong","raw_affiliation_strings":["Department of Electronics and Informatics, Vrije Universiteit Brussel, Brussels, Belgium"],"raw_orcid":"https://orcid.org/0000-0003-0126-7543","affiliations":[{"raw_affiliation_string":"Department of Electronics and Informatics, Vrije Universiteit Brussel, Brussels, Belgium","institution_ids":["https://openalex.org/I13469542"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060196436","display_name":"Ionut Schiopu","orcid":"https://orcid.org/0000-0003-2202-1163"},"institutions":[{"id":"https://openalex.org/I13469542","display_name":"Vrije Universiteit Brussel","ror":"https://ror.org/006e5kg04","country_code":"BE","type":"education","lineage":["https://openalex.org/I13469542"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Ionut Schiopu","raw_affiliation_strings":["Department of Electronics and Informatics, Vrije Universiteit Brussel, Brussels, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics and Informatics, Vrije Universiteit Brussel, Brussels, Belgium","institution_ids":["https://openalex.org/I13469542"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058747795","display_name":"Bruno Cornelis","orcid":"https://orcid.org/0000-0002-0688-8173"},"institutions":[{"id":"https://openalex.org/I13469542","display_name":"Vrije Universiteit Brussel","ror":"https://ror.org/006e5kg04","country_code":"BE","type":"education","lineage":["https://openalex.org/I13469542"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Bruno Cornelis","raw_affiliation_strings":["Department of Electronics and Informatics, Vrije Universiteit Brussel, Brussels, Belgium"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronics and Informatics, Vrije Universiteit Brussel, Brussels, Belgium","institution_ids":["https://openalex.org/I13469542"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078420371","display_name":"Shao-Ping Lu","orcid":"https://orcid.org/0000-0002-8492-0925"},"institutions":[{"id":"https://openalex.org/I205237279","display_name":"Nankai University","ror":"https://ror.org/01y1kjr75","country_code":"CN","type":"education","lineage":["https://openalex.org/I205237279"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shao-Ping Lu","raw_affiliation_strings":["Media Computing Laboratory, CCCE and CS, Nankai University, Tianjin, China"],"raw_orcid":"https://orcid.org/0000-0002-8492-0925","affiliations":[{"raw_affiliation_string":"Media Computing Laboratory, CCCE and CS, Nankai University, Tianjin, China","institution_ids":["https://openalex.org/I205237279"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085245110","display_name":"Junsong Yuan","orcid":"https://orcid.org/0000-0002-7324-7034"},"institutions":[{"id":"https://openalex.org/I63190737","display_name":"University at Buffalo, State University of New York","ror":"https://ror.org/01y64my43","country_code":"US","type":"education","lineage":["https://openalex.org/I63190737"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Junsong Yuan","raw_affiliation_strings":["Department of Computer Science and Engineering, University at Buffalo, Buffalo, NY, USA"],"raw_orcid":"https://orcid.org/0000-0002-7324-7034","affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, University at Buffalo, Buffalo, NY, USA","institution_ids":["https://openalex.org/I63190737"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088598176","display_name":"Adrian Munteanu","orcid":"https://orcid.org/0000-0001-7290-0428"},"institutions":[{"id":"https://openalex.org/I13469542","display_name":"Vrije Universiteit Brussel","ror":"https://ror.org/006e5kg04","country_code":"BE","type":"education","lineage":["https://openalex.org/I13469542"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Adrian Munteanu","raw_affiliation_strings":["Department of Electronics and Informatics, Vrije Universiteit Brussel, Brussels, Belgium"],"raw_orcid":"https://orcid.org/0000-0001-7290-0428","affiliations":[{"raw_affiliation_string":"Department of Electronics and Informatics, Vrije Universiteit Brussel, Brussels, Belgium","institution_ids":["https://openalex.org/I13469542"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.338,"has_fulltext":false,"cited_by_count":16,"citation_normalized_percentile":{"value":0.79025151,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"29","issue":"4","first_page":"1116","last_page":"1129"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11569","display_name":"Optical Coherence Tomography Applications","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11569","display_name":"Optical Coherence Tomography Applications","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9990000128746033,"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.998199999332428,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.7784839272499084},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7145484685897827},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6126229166984558},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.551123857498169},{"id":"https://openalex.org/keywords/encode","display_name":"ENCODE","score":0.5465067625045776},{"id":"https://openalex.org/keywords/macro","display_name":"Macro","score":0.5292640924453735},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3832050561904907},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.38048285245895386},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3670903444290161},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2139204740524292},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.06963017582893372}],"concepts":[{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.7784839272499084},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7145484685897827},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6126229166984558},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.551123857498169},{"id":"https://openalex.org/C66746571","wikidata":"https://www.wikidata.org/wiki/Q1134833","display_name":"ENCODE","level":3,"score":0.5465067625045776},{"id":"https://openalex.org/C166955791","wikidata":"https://www.wikidata.org/wiki/Q629579","display_name":"Macro","level":2,"score":0.5292640924453735},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3832050561904907},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.38048285245895386},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3670903444290161},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2139204740524292},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.06963017582893372},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/tcsvt.2018.2826052","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2018.2826052","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"},{"id":"pmh:oai:vubissmart:VUBISSMART:2000:113857","is_oa":false,"landing_page_url":"https://biblio.vub.ac.be/vubir/dictionary-learningbased-directional-and-optimized-prediction-for-lenslet-image-coding(b2bbbecb-94a7-4de3-8233-885ab0df47a8).html","pdf_url":null,"source":{"id":"https://openalex.org/S4306402573","display_name":"VUBIR (Vrije Universiteit Brussel)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I13469542","host_organization_name":"Vrije Universiteit Brussel","host_organization_lineage":["https://openalex.org/I13469542"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:vubissmart:VUBISSMART:2000:113857","is_oa":false,"landing_page_url":"https://doi.org/10.1109/TCSVT.2018.2826052","pdf_url":null,"source":{"id":"https://openalex.org/S4306402573","display_name":"VUBIR (Vrije Universiteit Brussel)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I13469542","host_organization_name":"Vrije Universiteit Brussel","host_organization_lineage":["https://openalex.org/I13469542"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:vubissmart:VUBISSMART:2000:236661","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4306402573","display_name":"VUBIR (Vrije Universiteit Brussel)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I13469542","host_organization_name":"Vrije Universiteit Brussel","host_organization_lineage":["https://openalex.org/I13469542"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":55,"referenced_works":["https://openalex.org/W993862674","https://openalex.org/W1488343396","https://openalex.org/W1544282469","https://openalex.org/W1977556410","https://openalex.org/W1988519517","https://openalex.org/W2028031899","https://openalex.org/W2030712014","https://openalex.org/W2043408784","https://openalex.org/W2051768473","https://openalex.org/W2063366997","https://openalex.org/W2067122986","https://openalex.org/W2101700394","https://openalex.org/W2103211484","https://openalex.org/W2104147251","https://openalex.org/W2105557003","https://openalex.org/W2111044596","https://openalex.org/W2115030355","https://openalex.org/W2128268941","https://openalex.org/W2133515844","https://openalex.org/W2137313943","https://openalex.org/W2140050933","https://openalex.org/W2140196014","https://openalex.org/W2143050242","https://openalex.org/W2145889472","https://openalex.org/W2146395539","https://openalex.org/W2150593711","https://openalex.org/W2153903029","https://openalex.org/W2158863190","https://openalex.org/W2159260234","https://openalex.org/W2163142644","https://openalex.org/W2163398148","https://openalex.org/W2170000955","https://openalex.org/W2237930391","https://openalex.org/W2269460599","https://openalex.org/W2273553327","https://openalex.org/W2295115106","https://openalex.org/W2344700153","https://openalex.org/W2345834824","https://openalex.org/W2507581639","https://openalex.org/W2525331240","https://openalex.org/W2525683018","https://openalex.org/W2526321439","https://openalex.org/W2531327760","https://openalex.org/W2611215319","https://openalex.org/W2792186698","https://openalex.org/W2949240210","https://openalex.org/W4230548574","https://openalex.org/W4238005791","https://openalex.org/W6632687117","https://openalex.org/W6675783809","https://openalex.org/W6697340843","https://openalex.org/W6704184719","https://openalex.org/W6727190386","https://openalex.org/W6727594811","https://openalex.org/W6731139561"],"related_works":["https://openalex.org/W2337415362","https://openalex.org/W4312857205","https://openalex.org/W121273120","https://openalex.org/W2740820121","https://openalex.org/W317572212","https://openalex.org/W2002009170","https://openalex.org/W2034462085","https://openalex.org/W2546871836","https://openalex.org/W2141888456","https://openalex.org/W2136485282"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"a":[3,23,49,56,66],"novel":[4,35],"approach":[5],"to":[6,80,119],"encode":[7],"lenslet":[8],"(LL)":[9],"images":[10],"is":[11,42,78],"proposed.":[12,75],"The":[13],"method":[14],"departs":[15],"from":[16,55],"traditional":[17],"block-based":[18],"coding":[19,32,103,113],"structures":[20],"and":[21,65,107,125,129,135],"employs":[22],"hexagonal-shaped":[24],"pixel":[25],"cluster,":[26],"called":[27],"macro-pixel,":[28],"as":[29],"an":[30,60,115],"elementary":[31],"unit.":[33],"A":[34],"prediction":[36,63,68,85],"mode":[37,64,69,86],"based":[38],"on":[39,92],"dictionary":[40],"learning":[41],"proposed,":[43],"whereby":[44],"macro-pixels":[45,73],"are":[46,74],"represented":[47],"by":[48],"sparse":[50],"linear":[51,62],"combination":[52],"of":[53,123,133],"atoms":[54],"generic":[57],"dictionary.":[58],"Additionally,":[59],"optimized":[61],"directional":[67],"specifically":[70],"designed":[71],"for":[72,87],"Rate-distortion":[76],"optimization":[77],"utilized":[79],"select":[81],"the":[82,93,101,108],"best":[83],"intra":[84],"each":[88],"macro-pixel.":[89],"Experimental":[90],"results":[91],"light":[94],"field":[95],"image":[96,112],"data":[97],"set":[98],"show":[99],"that":[100],"proposed":[102],"system":[104],"outperforms":[105],"HEVC":[106],"state-of-the-art":[109],"in":[110],"LL":[111],"with":[114,130],"average":[116],"peak":[117],"signal":[118],"noise":[120],"ratio":[121],"gain":[122],"3.33":[124],"1.41":[126],"dB,":[127],"respectively,":[128],"rate":[131],"savings":[132],"67.13%":[134],"34.30%,":[136],"respectively.":[137]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
