{"id":"https://openalex.org/W3004655320","doi":"https://doi.org/10.4018/ijsi.2020040105","title":"Finding Useful Features for Facial Expression Recognition and Intensity Estimation by Neural Network","display_name":"Finding Useful Features for Facial Expression Recognition and Intensity Estimation by Neural Network","publication_year":2020,"publication_date":"2020-02-07","ids":{"openalex":"https://openalex.org/W3004655320","doi":"https://doi.org/10.4018/ijsi.2020040105","mag":"3004655320"},"language":"en","primary_location":{"id":"doi:10.4018/ijsi.2020040105","is_oa":true,"landing_page_url":"https://doi.org/10.4018/ijsi.2020040105","pdf_url":null,"source":{"id":"https://openalex.org/S4210228539","display_name":"International Journal of Software Innovation","issn_l":"2166-7160","issn":["2166-7160","2166-7179"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320424","host_organization_name":"IGI Global","host_organization_lineage":["https://openalex.org/P4310320424"],"host_organization_lineage_names":["IGI Global"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Software Innovation","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.4018/ijsi.2020040105","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5089080674","display_name":"Naoki Imamura","orcid":null},"institutions":[{"id":"https://openalex.org/I27429435","display_name":"Kyoto Institute of Technology","ror":"https://ror.org/00965ax52","country_code":"JP","type":"education","lineage":["https://openalex.org/I27429435"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Naoki Imamura","raw_affiliation_strings":["Kyoto Institute of Technology, Kyoto, Japan"],"affiliations":[{"raw_affiliation_string":"Kyoto Institute of Technology, Kyoto, Japan","institution_ids":["https://openalex.org/I27429435"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028610136","display_name":"Hiroki Nomiya","orcid":"https://orcid.org/0000-0003-2028-6459"},"institutions":[{"id":"https://openalex.org/I27429435","display_name":"Kyoto Institute of Technology","ror":"https://ror.org/00965ax52","country_code":"JP","type":"education","lineage":["https://openalex.org/I27429435"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroki Nomiya","raw_affiliation_strings":["Graduate School of Information Science, Kyoto Institute of Technology, Kyoto, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science, Kyoto Institute of Technology, Kyoto, Japan","institution_ids":["https://openalex.org/I27429435"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061039394","display_name":"Teruhisa Hochin","orcid":"https://orcid.org/0000-0001-9067-9237"},"institutions":[{"id":"https://openalex.org/I27429435","display_name":"Kyoto Institute of Technology","ror":"https://ror.org/00965ax52","country_code":"JP","type":"education","lineage":["https://openalex.org/I27429435"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Teruhisa Hochin","raw_affiliation_strings":["Graduate School of Information Science, Kyoto Institute of Technology, Kyoto, Japan"],"affiliations":[{"raw_affiliation_string":"Graduate School of Information Science, Kyoto Institute of Technology, Kyoto, Japan","institution_ids":["https://openalex.org/I27429435"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5089080674"],"corresponding_institution_ids":["https://openalex.org/I27429435"],"apc_list":null,"apc_paid":null,"fwci":0.0977,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.35697721,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"8","issue":"2","first_page":"68","last_page":"84"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10057","display_name":"Face and Expression Recognition","score":0.9866999983787537,"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/T10057","display_name":"Face and Expression Recognition","score":0.9866999983787537,"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/T12111","display_name":"Industrial Vision Systems and Defect Detection","score":0.9677000045776367,"subfield":{"id":"https://openalex.org/subfields/2209","display_name":"Industrial and Manufacturing 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/T11605","display_name":"Visual Attention and Saliency Detection","score":0.965399980545044,"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/lifelog","display_name":"Lifelog","score":0.8147245645523071},{"id":"https://openalex.org/keywords/facial-expression","display_name":"Facial expression","score":0.7813534140586853},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6875236630439758},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6374119520187378},{"id":"https://openalex.org/keywords/correlation","display_name":"Correlation","score":0.599869966506958},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5992579460144043},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.581169605255127},{"id":"https://openalex.org/keywords/expression","display_name":"Expression (computer science)","score":0.5437267422676086},{"id":"https://openalex.org/keywords/facial-expression-recognition","display_name":"Facial expression recognition","score":0.5002942085266113},{"id":"https://openalex.org/keywords/intensity","display_name":"Intensity (physics)","score":0.45494863390922546},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.41252022981643677},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4103434085845947},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.36665573716163635},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20473897457122803}],"concepts":[{"id":"https://openalex.org/C176168674","wikidata":"https://www.wikidata.org/wiki/Q763835","display_name":"Lifelog","level":2,"score":0.8147245645523071},{"id":"https://openalex.org/C195704467","wikidata":"https://www.wikidata.org/wiki/Q327968","display_name":"Facial expression","level":2,"score":0.7813534140586853},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6875236630439758},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6374119520187378},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.599869966506958},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5992579460144043},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.581169605255127},{"id":"https://openalex.org/C90559484","wikidata":"https://www.wikidata.org/wiki/Q778379","display_name":"Expression (computer science)","level":2,"score":0.5437267422676086},{"id":"https://openalex.org/C2987714656","wikidata":"https://www.wikidata.org/wiki/Q1185804","display_name":"Facial expression recognition","level":4,"score":0.5002942085266113},{"id":"https://openalex.org/C93038891","wikidata":"https://www.wikidata.org/wiki/Q1061524","display_name":"Intensity (physics)","level":2,"score":0.45494863390922546},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.41252022981643677},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4103434085845947},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.36665573716163635},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20473897457122803},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.4018/ijsi.2020040105","is_oa":true,"landing_page_url":"https://doi.org/10.4018/ijsi.2020040105","pdf_url":null,"source":{"id":"https://openalex.org/S4210228539","display_name":"International Journal of Software Innovation","issn_l":"2166-7160","issn":["2166-7160","2166-7179"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320424","host_organization_name":"IGI Global","host_organization_lineage":["https://openalex.org/P4310320424"],"host_organization_lineage_names":["IGI Global"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Software Innovation","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.4018/ijsi.2020040105","is_oa":true,"landing_page_url":"https://doi.org/10.4018/ijsi.2020040105","pdf_url":null,"source":{"id":"https://openalex.org/S4210228539","display_name":"International Journal of Software Innovation","issn_l":"2166-7160","issn":["2166-7160","2166-7179"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320424","host_organization_name":"IGI Global","host_organization_lineage":["https://openalex.org/P4310320424"],"host_organization_lineage_names":["IGI Global"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Software Innovation","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W126095123","https://openalex.org/W2106115875","https://openalex.org/W2125127226","https://openalex.org/W2161634108","https://openalex.org/W2195207531","https://openalex.org/W2195388612","https://openalex.org/W2478009037","https://openalex.org/W2629316511","https://openalex.org/W2753911240","https://openalex.org/W2891011877","https://openalex.org/W2964243309"],"related_works":["https://openalex.org/W4205986151","https://openalex.org/W2355913164","https://openalex.org/W1153638794","https://openalex.org/W2168968280","https://openalex.org/W2116055069","https://openalex.org/W4323520705","https://openalex.org/W2356663679","https://openalex.org/W2169777806","https://openalex.org/W2162992774","https://openalex.org/W3027190010"],"abstract_inverted_index":{"Facial":[0],"expression":[1,61],"intensity":[2,23],"has":[3],"been":[4],"proposed":[5,65],"to":[6,15,34],"digitize":[7],"the":[8,28,39,52,56,64,77,83,86,96,101,113,125],"degree":[9],"of":[10,30,55,80],"facial":[11,31,36,57,68,90,122],"expressions":[12,69],"in":[13],"order":[14],"retrieve":[16],"impressive":[17],"scenes":[18],"from":[19,124],"lifelog":[20],"videos.":[21],"The":[22],"is":[24,41],"calculated":[25],"based":[26,50],"on":[27,51,105],"correlation":[29,40],"features":[32,58,110,123],"compared":[33],"each":[35],"expression.":[37],"However,":[38],"not":[42],"determined":[43,48],"objectively.":[44],"It":[45],"should":[46],"be":[47],"statistically":[49],"contribution":[53,78],"score":[54,79,97,114],"necessary":[59],"for":[60],"recognition.":[62],"Therefore,":[63],"method":[66],"recognizes":[67],"by":[70,99],"using":[71],"a":[72,117],"neural":[73,126],"network":[74],"and":[75,108,111],"calculates":[76],"input":[81],"toward":[82],"output.":[84],"First,":[85],"authors":[87],"improve":[88],"some":[89],"features.":[91],"After":[92],"that,":[93],"they":[94,119],"verify":[95],"correctly":[98],"comparing":[100],"accuracy":[102],"transitions":[103],"depending":[104],"reducing":[106],"useful":[107,121],"useless":[109],"process":[112],"statistically.":[115],"As":[116],"result,":[118],"extract":[120],"network.":[127]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}