{"id":"https://openalex.org/W3040272718","doi":"https://doi.org/10.1587/transfun.2019eal2168","title":"Improvement of Luminance Isotropy for Convolutional Neural Networks-Based Image Super-Resolution","display_name":"Improvement of Luminance Isotropy for Convolutional Neural Networks-Based Image Super-Resolution","publication_year":2020,"publication_date":"2020-06-30","ids":{"openalex":"https://openalex.org/W3040272718","doi":"https://doi.org/10.1587/transfun.2019eal2168","mag":"3040272718"},"language":"en","primary_location":{"id":"doi:10.1587/transfun.2019eal2168","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transfun.2019eal2168","pdf_url":"https://www.jstage.jst.go.jp/article/transfun/E103.A/7/E103.A_2019EAL2168/_pdf","source":{"id":"https://openalex.org/S166990724","display_name":"IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences","issn_l":"0916-8508","issn":["0916-8508","1745-1337"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.jstage.jst.go.jp/article/transfun/E103.A/7/E103.A_2019EAL2168/_pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070120725","display_name":"Kazuya Urazoe","orcid":null},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuya URAZOE","raw_affiliation_strings":["Graduate School of Engineering, Kobe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Kobe University","institution_ids":["https://openalex.org/I65837984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089221161","display_name":"Nobutaka Kuroki","orcid":"https://orcid.org/0000-0002-8288-0747"},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobutaka KUROKI","raw_affiliation_strings":["Graduate School of Engineering, Kobe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Kobe University","institution_ids":["https://openalex.org/I65837984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101197745","display_name":"Yu Kato","orcid":null},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yu KATO","raw_affiliation_strings":["Graduate School of Engineering, Kobe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Kobe University","institution_ids":["https://openalex.org/I65837984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002147780","display_name":"Shinya Ohtani","orcid":null},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shinya OHTANI","raw_affiliation_strings":["Graduate School of Engineering, Kobe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Kobe University","institution_ids":["https://openalex.org/I65837984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101737932","display_name":"Tetsuya Hirose","orcid":"https://orcid.org/0000-0003-1997-5097"},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsuya HIROSE","raw_affiliation_strings":["Graduate School of Engineering, Kobe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Kobe University","institution_ids":["https://openalex.org/I65837984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070530869","display_name":"Masahiro Numa","orcid":null},"institutions":[{"id":"https://openalex.org/I65837984","display_name":"Kobe University","ror":"https://ror.org/03tgsfw79","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masahiro NUMA","raw_affiliation_strings":["Graduate School of Engineering, Kobe University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Graduate School of Engineering, Kobe University","institution_ids":["https://openalex.org/I65837984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.1913,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.56666794,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"E103.A","issue":"7","first_page":"955","last_page":"958"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9193000197410583,"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"}},"topics":[{"id":"https://openalex.org/T11659","display_name":"Advanced Image Fusion Techniques","score":0.9193000197410583,"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"}},{"id":"https://openalex.org/T11019","display_name":"Image Enhancement Techniques","score":0.8999999761581421,"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/luminance","display_name":"Luminance","score":0.9372562170028687},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.681755542755127},{"id":"https://openalex.org/keywords/convolutional-neural-network","display_name":"Convolutional neural network","score":0.660815417766571},{"id":"https://openalex.org/keywords/magnification","display_name":"Magnification","score":0.606979489326477},{"id":"https://openalex.org/keywords/isotropy","display_name":"Isotropy","score":0.6056236624717712},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5561189651489258},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5398665070533752},{"id":"https://openalex.org/keywords/inversion","display_name":"Inversion (geology)","score":0.4739758372306824},{"id":"https://openalex.org/keywords/image-quality","display_name":"Image quality","score":0.4500126242637634},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4138336181640625},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3640249967575073},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3516677916049957},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.28876158595085144},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.27138465642929077},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.11503380537033081}],"concepts":[{"id":"https://openalex.org/C73313986","wikidata":"https://www.wikidata.org/wiki/Q355386","display_name":"Luminance","level":2,"score":0.9372562170028687},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.681755542755127},{"id":"https://openalex.org/C81363708","wikidata":"https://www.wikidata.org/wiki/Q17084460","display_name":"Convolutional neural network","level":2,"score":0.660815417766571},{"id":"https://openalex.org/C4144372","wikidata":"https://www.wikidata.org/wiki/Q675287","display_name":"Magnification","level":2,"score":0.606979489326477},{"id":"https://openalex.org/C184050105","wikidata":"https://www.wikidata.org/wiki/Q273163","display_name":"Isotropy","level":2,"score":0.6056236624717712},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5561189651489258},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5398665070533752},{"id":"https://openalex.org/C1893757","wikidata":"https://www.wikidata.org/wiki/Q3653001","display_name":"Inversion (geology)","level":3,"score":0.4739758372306824},{"id":"https://openalex.org/C55020928","wikidata":"https://www.wikidata.org/wiki/Q3813865","display_name":"Image quality","level":3,"score":0.4500126242637634},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4138336181640625},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3640249967575073},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3516677916049957},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.28876158595085144},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.27138465642929077},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.11503380537033081},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1587/transfun.2019eal2168","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transfun.2019eal2168","pdf_url":"https://www.jstage.jst.go.jp/article/transfun/E103.A/7/E103.A_2019EAL2168/_pdf","source":{"id":"https://openalex.org/S166990724","display_name":"IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences","issn_l":"0916-8508","issn":["0916-8508","1745-1337"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences","raw_type":"journal-article"},{"id":"pmh:oai:infocom.co.jp:G0000003oai:90007381","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S7407053249","display_name":"Infolib","issn_l":null,"issn":[],"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":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Journal Article"},{"id":"pmh:oai:irdb.nii.ac.jp:01257:0005617911","is_oa":true,"landing_page_url":"https://hdl.handle.net/20.500.14094/90007381","pdf_url":"https://da.lib.kobe-u.ac.jp/da/kernel/90007381/90007381.pdf","source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences","raw_type":"journal article"}],"best_oa_location":{"id":"doi:10.1587/transfun.2019eal2168","is_oa":true,"landing_page_url":"https://doi.org/10.1587/transfun.2019eal2168","pdf_url":"https://www.jstage.jst.go.jp/article/transfun/E103.A/7/E103.A_2019EAL2168/_pdf","source":{"id":"https://openalex.org/S166990724","display_name":"IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences","issn_l":"0916-8508","issn":["0916-8508","1745-1337"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4320800604","host_organization_name":"Institute of Electronics, Information and Communication Engineers","host_organization_lineage":["https://openalex.org/P4320800604"],"host_organization_lineage_names":["Institute of Electronics, Information and Communication Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3040272718.pdf","grobid_xml":"https://content.openalex.org/works/W3040272718.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W1791560514","https://openalex.org/W1885185971","https://openalex.org/W1930824406","https://openalex.org/W1963882359","https://openalex.org/W2047920195","https://openalex.org/W2121058967","https://openalex.org/W2121927366","https://openalex.org/W2155893237","https://openalex.org/W2192954843","https://openalex.org/W2584276908","https://openalex.org/W2607041014","https://openalex.org/W2794640211","https://openalex.org/W2911583094","https://openalex.org/W3101659800"],"related_works":["https://openalex.org/W2041117173","https://openalex.org/W4256609757","https://openalex.org/W2152595177","https://openalex.org/W1810141276","https://openalex.org/W2005715326","https://openalex.org/W2418534670","https://openalex.org/W2022127494","https://openalex.org/W2047186806","https://openalex.org/W2171082272","https://openalex.org/W2968773479"],"abstract_inverted_index":{"Convolutional":[0],"neural":[1],"network":[2],"(CNN)-based":[3],"image":[4,45,51],"super-resolutions":[5],"are":[6],"widely":[7],"used":[8],"as":[9],"a":[10],"high-quality":[11],"image-enhancement":[12],"technique.":[13],"However,":[14],"in":[15],"general,":[16],"they":[17],"show":[18,53],"little":[19],"to":[20,38],"no":[21],"luminance":[22,41],"isotropy.":[23],"Thus,":[24],"we":[25],"propose":[26],"two":[27],"methods,":[28],"\u201cLuminance":[29,34],"Inversion":[30,35,63],"Training":[31],"(LIT)\u201d":[32],"and":[33],"Averaging":[36,64],"(LIA),\u201d":[37],"improve":[39],"the":[40,55,72],"isotropy":[42],"of":[43,49],"CNN-based":[44],"super-resolutions.":[46],"Experimental":[47],"results":[48],"2\u00d7":[50],"magnification":[52],"that":[54,70],"average":[56],"peak":[57],"signal-to-noise":[58],"ratio":[59],"(PSNR)":[60],"using":[61],"Luminance":[62],"is":[65],"about":[66],"0.15-0.20dB":[67],"higher":[68],"than":[69],"for":[71],"conventional":[73],"super-resolution.":[74]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
