{"id":"https://openalex.org/W3162626950","doi":"https://doi.org/10.3390/s21093246","title":"Attention Networks for the Quality Enhancement of Light Field Images","display_name":"Attention Networks for the Quality Enhancement of Light Field Images","publication_year":2021,"publication_date":"2021-05-07","ids":{"openalex":"https://openalex.org/W3162626950","doi":"https://doi.org/10.3390/s21093246","mag":"3162626950","pmid":"https://pubmed.ncbi.nlm.nih.gov/34067191"},"language":"en","primary_location":{"id":"doi:10.3390/s21093246","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21093246","pdf_url":"https://www.mdpi.com/1424-8220/21/9/3246/pdf?version=1620477890","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/21/9/3246/pdf?version=1620477890","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","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":true,"raw_author_name":"Ionut Schiopu","raw_affiliation_strings":["Department of Electronics and Informatics (ETRO), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium"],"raw_orcid":"https://orcid.org/0000-0003-2202-1163","affiliations":[{"raw_affiliation_string":"Department of Electronics and Informatics (ETRO), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium","institution_ids":["https://openalex.org/I13469542"]}]},{"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 (ETRO), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium"],"raw_orcid":"https://orcid.org/0000-0001-7290-0428","affiliations":[{"raw_affiliation_string":"Department of Electronics and Informatics (ETRO), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050 Brussels, Belgium","institution_ids":["https://openalex.org/I13469542"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5060196436"],"corresponding_institution_ids":["https://openalex.org/I13469542"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.1941,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.4735306,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"21","issue":"9","first_page":"3246","last_page":"3246"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","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"}},"topics":[{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","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"}},{"id":"https://openalex.org/T11019","display_name":"Image Enhancement 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"}},{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7260042428970337},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6801705360412598},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6425750851631165},{"id":"https://openalex.org/keywords/light-field","display_name":"Light field","score":0.5162796378135681},{"id":"https://openalex.org/keywords/residual","display_name":"Residual","score":0.4797336161136627},{"id":"https://openalex.org/keywords/luminance","display_name":"Luminance","score":0.4792470932006836},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.4464339017868042},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.4431525468826294},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.4121585786342621},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.24146845936775208},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.226534903049469},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.22288891673088074}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7260042428970337},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6801705360412598},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6425750851631165},{"id":"https://openalex.org/C48983235","wikidata":"https://www.wikidata.org/wiki/Q593161","display_name":"Light field","level":2,"score":0.5162796378135681},{"id":"https://openalex.org/C155512373","wikidata":"https://www.wikidata.org/wiki/Q287450","display_name":"Residual","level":2,"score":0.4797336161136627},{"id":"https://openalex.org/C73313986","wikidata":"https://www.wikidata.org/wiki/Q355386","display_name":"Luminance","level":2,"score":0.4792470932006836},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.4464339017868042},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.4431525468826294},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.4121585786342621},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.24146845936775208},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.226534903049469},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.22288891673088074},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.3390/s21093246","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21093246","pdf_url":"https://www.mdpi.com/1424-8220/21/9/3246/pdf?version=1620477890","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:34067191","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34067191","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:vubissmart:VUBISSMART:2000:151581","is_oa":false,"landing_page_url":"https://biblio.vub.ac.be/vubir/attention-networks-for-the-quality-enhancement-of-light-field-images(c98cbd7e-377a-4373-a951-78833f2af0d4).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":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":null,"raw_type":"publishedVersion"},{"id":"pmh:oai:doaj.org/article:d4aa81f7c58a4b858f473f8a4e2c2531","is_oa":true,"landing_page_url":"https://doaj.org/article/d4aa81f7c58a4b858f473f8a4e2c2531","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 21, Iss 9, p 3246 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/21/9/3246/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s21093246","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors; Volume 21; Issue 9; Pages: 3246","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:8125823","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/8125823","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s21093246","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s21093246","pdf_url":"https://www.mdpi.com/1424-8220/21/9/3246/pdf?version=1620477890","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322852","display_name":"Innoviris","ror":"https://ror.org/04af9zr29"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3162626950.pdf","grobid_xml":"https://content.openalex.org/works/W3162626950.grobid-xml"},"referenced_works_count":70,"referenced_works":["https://openalex.org/W1914596733","https://openalex.org/W1945917643","https://openalex.org/W2007903363","https://openalex.org/W2017801928","https://openalex.org/W2029608396","https://openalex.org/W2092940093","https://openalex.org/W2101700394","https://openalex.org/W2115030355","https://openalex.org/W2123113293","https://openalex.org/W2133665775","https://openalex.org/W2142683286","https://openalex.org/W2146395539","https://openalex.org/W2163797647","https://openalex.org/W2248155580","https://openalex.org/W2276329208","https://openalex.org/W2342420672","https://openalex.org/W2345834824","https://openalex.org/W2428965074","https://openalex.org/W2466611277","https://openalex.org/W2477177239","https://openalex.org/W2510648513","https://openalex.org/W2511779046","https://openalex.org/W2523901075","https://openalex.org/W2526125843","https://openalex.org/W2557216475","https://openalex.org/W2560403570","https://openalex.org/W2599419476","https://openalex.org/W2786337588","https://openalex.org/W2791330918","https://openalex.org/W2792766850","https://openalex.org/W2793408333","https://openalex.org/W2798014773","https://openalex.org/W2799309438","https://openalex.org/W2802401081","https://openalex.org/W2884585870","https://openalex.org/W2889872570","https://openalex.org/W2890447646","https://openalex.org/W2891381843","https://openalex.org/W2891963226","https://openalex.org/W2911287074","https://openalex.org/W2913664580","https://openalex.org/W2949657144","https://openalex.org/W2950812798","https://openalex.org/W2951559372","https://openalex.org/W2957246117","https://openalex.org/W2962687329","https://openalex.org/W2963316882","https://openalex.org/W2964157487","https://openalex.org/W2964308564","https://openalex.org/W2966288601","https://openalex.org/W2966821425","https://openalex.org/W2993436165","https://openalex.org/W2993989702","https://openalex.org/W3019849100","https://openalex.org/W3031696400","https://openalex.org/W3080437795","https://openalex.org/W3095448897","https://openalex.org/W3097263996","https://openalex.org/W3097463671","https://openalex.org/W3100087914","https://openalex.org/W3102974666","https://openalex.org/W3104772632","https://openalex.org/W3105540235","https://openalex.org/W3123751661","https://openalex.org/W3138270850","https://openalex.org/W3157144426","https://openalex.org/W6684313622","https://openalex.org/W6704184719","https://openalex.org/W6717810278","https://openalex.org/W6771049380"],"related_works":["https://openalex.org/W1990245967","https://openalex.org/W2054177013","https://openalex.org/W4383506493","https://openalex.org/W1994772959","https://openalex.org/W2427340667","https://openalex.org/W2136398500","https://openalex.org/W2600517000","https://openalex.org/W4377104339","https://openalex.org/W2324500060","https://openalex.org/W2070659558"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5,81,102],"novel":[6,48],"filtering":[7,145],"method":[8],"based":[9],"on":[10,101],"deep":[11],"attention":[12,190],"networks":[13,191],"for":[14,192],"the":[15,30,57,71,115,142,154,173,179,187,193],"quality":[16,194],"enhancement":[17,195],"of":[18,56,114,127,134,189,196],"light":[19],"field":[20],"(LF)":[21],"images":[22,198],"captured":[23],"by":[24,176,182,200],"plenoptic":[25],"cameras":[26],"and":[27,47,65,129,160,178],"compressed":[28],"using":[29,42],"High":[31],"Efficiency":[32],"Video":[33],"Coding":[34],"(HEVC)":[35],"standard.":[36],"The":[37,52,75,98,149,164,184],"proposed":[38],"architecture":[39],"was":[40,139],"built":[41],"efficient":[43],"complex":[44],"processing":[45],"blocks":[46],"attention-based":[49],"residual":[50],"blocks.":[51],"network":[53,180],"takes":[54],"advantage":[55],"macro-pixel":[58],"(MP)":[59],"structure,":[60],"specific":[61],"to":[62,171],"LF":[63,104,197],"images,":[64],"processes":[66],"each":[67],"reconstructed":[68],"MP":[69,87],"in":[70,112],"luminance":[72],"(Y)":[73],"channel.":[74],"input":[76],"patch":[77],"is":[78],"represented":[79],"as":[80],"tensor":[82],"that":[83,153],"collects,":[84],"from":[85],"an":[86,121,130],"neighbourhood,":[88],"four":[89,95],"Epipolar":[90],"Plane":[91],"Images":[92],"(EPIs)":[93],"at":[94],"different":[96],"angles.":[97],"experimental":[99],"results":[100,151,185],"common":[103],"image":[105,156],"database":[106],"showed":[107],"high":[108],"improvements":[109],"over":[110],"HEVC":[111,143],"terms":[113],"structural":[116],"similarity":[117],"index":[118],"(SSIM),":[119],"with":[120],"average":[122,131],"Y-Bj\u00f8ntegaard":[123],"Delta":[124],"(BD)-rate":[125],"savings":[126],"36.57%,":[128],"Y-BD-PSNR":[132],"improvement":[133],"2.301":[135],"dB.":[136],"Increased":[137],"performance":[138],"achieved":[140],"when":[141],"built-in":[144],"methods":[146],"were":[147],"skipped.":[148],"visual":[150],"illustrate":[152],"enhanced":[155],"contains":[157],"sharper":[158],"edges":[159],"more":[161],"texture":[162],"details.":[163],"ablation":[165],"study":[166],"provides":[167],"two":[168],"robust":[169],"solutions":[170],"reduce":[172],"inference":[174],"time":[175],"44.6%":[177],"complexity":[181],"74.7%.":[183],"demonstrate":[186],"potential":[188],"encoded":[199],"HEVC.":[201]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-06-22T08:00:12.763002","created_date":"2025-10-10T00:00:00"}
