{"id":"https://openalex.org/W2398567916","doi":"https://doi.org/10.1007/978-3-319-25417-3_52","title":"Automatic Facial Expression Analysis of Students in Teaching Environments","display_name":"Automatic Facial Expression Analysis of Students in Teaching Environments","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W2398567916","doi":"https://doi.org/10.1007/978-3-319-25417-3_52","mag":"2398567916"},"language":"en","primary_location":{"id":"doi:10.1007/978-3-319-25417-3_52","doi":"https://doi.org/10.1007/978-3-319-25417-3_52","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-25417-3_52","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","ki-jl-1","norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"},"volume":{"id":"https://openalex.org/W4239600567","display_name":"Biometric Recognition"},"type":"conference-paper","is_traditional":true,"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/A5038686056","display_name":"Chuangao Tang","orcid":"https://orcid.org/0000-0002-3653-136X","observed_orcids":["https://orcid.org/0000-0002-3653-136X"]},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chuangao Tang","raw_affiliation_strings":["Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China","institution_ids":["https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010568478","display_name":"Pengfei Xu","orcid":"https://orcid.org/0000-0002-0278-9805","observed_orcids":["https://orcid.org/0000-0002-0278-9805"]},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Pengfei Xu","raw_affiliation_strings":["Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China","institution_ids":["https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084481086","display_name":"Zuying Luo","orcid":"https://orcid.org/0000-0003-2233-6616","observed_orcids":["https://orcid.org/0000-0003-2233-6616","https://orcid.org/0009-0006-8881-8748"]},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zuying Luo","raw_affiliation_strings":["Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China","institution_ids":["https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111814465","display_name":"Guoxing Zhao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guoxing Zhao","raw_affiliation_strings":["Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China","institution_ids":["https://openalex.org/I25254941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100967837","display_name":"Tian Zou","orcid":"https://orcid.org/0009-0001-8529-855X","observed_orcids":["https://orcid.org/0009-0001-8529-855X"]},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tian Zou","raw_affiliation_strings":["Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Key Laboratory of Digital Preservation and Virtual Reality for Cultural Heritage, College of Information Science and Technology, Beijing Normal University, Beijing, 100875, China","institution_ids":["https://openalex.org/I25254941"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5010568478","https://openalex.org/A5084481086"],"corresponding_institution_ids":["https://openalex.org/I25254941"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"439","last_page":"447"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10667","display_name":"Emotion and Mood Recognition","score":0.5464000105857849,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10667","display_name":"Emotion and Mood Recognition","score":0.5464000105857849,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10057","display_name":"Face and Expression Recognition","score":0.29249998927116394,"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/T11448","display_name":"Face recognition and analysis","score":0.0966000035405159,"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/facial-expression-analysis","display_name":"facial expression analysis","score":0.9010000228881836},{"id":"https://openalex.org/keywords/student-understanding","display_name":"student understanding","score":0.7139999866485596},{"id":"https://openalex.org/keywords/lesson-evaluation","display_name":"lesson evaluation","score":0.8700000047683716},{"id":"https://openalex.org/keywords/feature-fusion","display_name":"feature fusion","score":0.8880000114440918},{"id":"https://openalex.org/keywords/k-nearest-neighbors","display_name":"k-nearest neighbors","score":0.8349999785423279},{"id":"https://openalex.org/keywords/facial-expression-database","display_name":"facial expression database","score":0.5149999856948853}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8140099048614502},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.6294770240783691},{"id":"https://openalex.org/C87335442","wikidata":"https://www.wikidata.org/wiki/Q2494345","display_name":"Local binary patterns","level":4,"score":0.5419898629188538},{"id":"https://openalex.org/C195704467","wikidata":"https://www.wikidata.org/wiki/Q327968","display_name":"Facial expression","level":2,"score":0.528205931186676},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5224049091339111},{"id":"https://openalex.org/C2987714656","wikidata":"https://www.wikidata.org/wiki/Q1185804","display_name":"Facial expression recognition","level":4,"score":0.5175413489341736},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5024087429046631},{"id":"https://openalex.org/C511192102","wikidata":"https://www.wikidata.org/wiki/Q5156948","display_name":"Comprehension","level":2,"score":0.5010695457458496},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.4928324222564697},{"id":"https://openalex.org/C113238511","wikidata":"https://www.wikidata.org/wiki/Q1071612","display_name":"k-nearest neighbors algorithm","level":2,"score":0.46817582845687866},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.4517863392829895},{"id":"https://openalex.org/C17426736","wikidata":"https://www.wikidata.org/wiki/Q419918","display_name":"Histogram of oriented gradients","level":4,"score":0.41636091470718384},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.41103559732437134},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.26111412048339844},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.08570918440818787},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08563244342803955},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0784153938293457},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.07690346240997314}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/978-3-319-25417-3_52","doi":"https://doi.org/10.1007/978-3-319-25417-3_52","is_oa":false,"landing_page_url":"https://doi.org/10.1007/978-3-319-25417-3_52","pdf_url":null,"source":{"id":"https://openalex.org/S106296714","display_name":"Lecture notes in computer science","issn_l":"0302-9743","issn":["0302-9743","1611-3349"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","jufo-1","ki-jl-1","norway-1","vabb-shw"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"book series"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Lecture Notes in Computer Science","raw_type":"book-chapter"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","score":0.975600004196167,"display_name":"Quality education"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1573965745","https://openalex.org/W1974210421","https://openalex.org/W1976902647","https://openalex.org/W1986803802","https://openalex.org/W1990207480","https://openalex.org/W1999042468","https://openalex.org/W2031802401","https://openalex.org/W2060904725","https://openalex.org/W2081112272","https://openalex.org/W2112902362","https://openalex.org/W2115417283","https://openalex.org/W2117072267","https://openalex.org/W2132100155","https://openalex.org/W2156503193","https://openalex.org/W2159857630","https://openalex.org/W2163352848","https://openalex.org/W2325168940","https://openalex.org/W2393518903"],"related_works":["https://openalex.org/W3210780648","https://openalex.org/W3021032996","https://openalex.org/W4320505061","https://openalex.org/W7138892757","https://openalex.org/W3156746590","https://openalex.org/W2047690963","https://openalex.org/W4200351487","https://openalex.org/W4403045809","https://openalex.org/W2129936833","https://openalex.org/W4414318054"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1}],"updated_date":"2026-10-16T09:59:22.235173","created_date":"2016-06-24T00:00:00"}