{"id":"https://openalex.org/W2137997339","doi":"https://doi.org/10.1109/icassp.2008.4517715","title":"Extracting age information from local spatially flexible patches","display_name":"Extracting age information from local spatially flexible patches","publication_year":2008,"publication_date":"2008-03-01","ids":{"openalex":"https://openalex.org/W2137997339","doi":"https://doi.org/10.1109/icassp.2008.4517715","mag":"2137997339"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2008.4517715","doi":"https://doi.org/10.1109/icassp.2008.4517715","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2008.4517715","pdf_url":null,"source":{"id":"https://openalex.org/S4363607879","display_name":"IEEE International Conference on Acoustics Speech and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-2","norway-1"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},"volume":null,"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/A5100381753","display_name":"Shuicheng Yan","orcid":"https://orcid.org/0000-0001-8906-3777","observed_orcids":["https://orcid.org/0000-0001-8906-3777"]},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Shuicheng Yan","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National University of Singapore, Singapore","Dept. of Electr. & Comput. Eng., Nat. Univ., Singapore#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Dept. of Electr. & Comput. Eng., Nat. Univ., Singapore#TAB#","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100347820","display_name":"Ming Liu","orcid":"https://orcid.org/0000-0002-9981-0454","observed_orcids":["https://orcid.org/0000-0002-9981-0454"]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ming Liu","raw_affiliation_strings":["Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana-Champaign, USA","Beckman Institute for Advanced Science and Technology, UIUC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana-Champaign, USA","institution_ids":["https://openalex.org/I157725225"]},{"raw_affiliation_string":"Beckman Institute for Advanced Science and Technology, UIUC, USA","institution_ids":["https://openalex.org/I157725225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101457342","display_name":"Thomas S. Huang","orcid":"https://orcid.org/0000-0001-8474-5859","observed_orcids":["https://orcid.org/0000-0001-8474-5859"]},"institutions":[{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas S. Huang","raw_affiliation_strings":["Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana-Champaign, USA","Beckman Institute for Advanced Science and Technology, UIUC, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beckman Institute for Advanced Science and Technology, University of Illinois, Urbana-Champaign, USA","institution_ids":["https://openalex.org/I157725225"]},{"raw_affiliation_string":"Beckman Institute for Advanced Science and Technology, UIUC, USA","institution_ids":["https://openalex.org/I157725225"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.7047,"has_fulltext":false,"cited_by_count":75,"citation_normalized_percentile":{"value":0.97400206,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"737","last_page":"740"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11448","display_name":"Face recognition and analysis","score":0.9994999766349792,"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/T11448","display_name":"Face recognition and analysis","score":0.9994999766349792,"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/T10992","display_name":"Forensic Anthropology and Bioarchaeology Studies","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1204","display_name":"Archeology (arts and humanities)"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10828","display_name":"Biometric Identification and Security","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/age-estimation","display_name":"age estimation","score":0.8159999847412109},{"id":"https://openalex.org/keywords/facial-images","display_name":"face images","score":0.574999988079071},{"id":"https://openalex.org/keywords/feature-descriptors","display_name":"feature descriptors","score":0.824999988079071},{"id":"https://openalex.org/keywords/gaussian-mixture-model","display_name":"Gaussian mixture model","score":0.7979999780654907},{"id":"https://openalex.org/keywords/likelihood-maximization","display_name":"likelihood maximization","score":0.8090000152587891},{"id":"https://openalex.org/keywords/insufficient-training-samples","display_name":"insufficient training samples","score":0.6169999837875366}],"concepts":[{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.6462012529373169},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.6421982645988464},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6099371910095215},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.5842447876930237},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5807946920394897},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5716145634651184},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.5223680138587952},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5160152912139893},{"id":"https://openalex.org/C188154048","wikidata":"https://www.wikidata.org/wiki/Q6803609","display_name":"Mean absolute error","level":3,"score":0.48625648021698},{"id":"https://openalex.org/C2986834420","wikidata":"https://www.wikidata.org/wiki/Q5932254","display_name":"Age groups","level":2,"score":0.4682677090167999},{"id":"https://openalex.org/C115051666","wikidata":"https://www.wikidata.org/wiki/Q6522493","display_name":"Ranging","level":2,"score":0.45949840545654297},{"id":"https://openalex.org/C3020402766","wikidata":"https://www.wikidata.org/wiki/Q104376712","display_name":"Prior information","level":2,"score":0.43587175011634827},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.42614948749542236},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4212007224559784},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3395574688911438},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.23950302600860596},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.06848230957984924},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","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},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2008.4517715","doi":"https://doi.org/10.1109/icassp.2008.4517715","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2008.4517715","pdf_url":null,"source":{"id":"https://openalex.org/S4363607879","display_name":"IEEE International Conference on Acoustics Speech and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-2","norway-1"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/70268","doi":null,"is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/70268","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1498436455","https://openalex.org/W2032454342","https://openalex.org/W2106488920","https://openalex.org/W2121939926","https://openalex.org/W2122089892","https://openalex.org/W2135346934","https://openalex.org/W2140078189","https://openalex.org/W2145808141","https://openalex.org/W2148727699","https://openalex.org/W2152826865","https://openalex.org/W2163626514","https://openalex.org/W2170854557"],"related_works":["https://openalex.org/W7100329510","https://openalex.org/W610429473","https://openalex.org/W2138200782","https://openalex.org/W2255794050","https://openalex.org/W2148517791","https://openalex.org/W2389670225","https://openalex.org/W2940241311","https://openalex.org/W2801007981","https://openalex.org/W2324743844","https://openalex.org/W2047897785"],"abstract_inverted_index":{"Motivated":[0],"by":[1,105],"the":[2,15,21,29,45,54,58,84,87,107,113,117,124,140],"fact":[3],"that":[4,65],"age":[5,22,81,91,101,155],"information":[6,50],"can":[7,75],"often":[8],"be":[9],"observed":[10],"from":[11,111,134],"local":[12,46],"evidence":[13],"on":[14,123],"human":[16],"face,":[17],"we":[18,32],"contribute":[19],"to":[20,56,64,136],"estimation":[23,102],"problem":[24,59],"in":[25,68,73,150],"two":[26],"aspects.":[27],"On":[28],"one":[30],"hand,":[31,86],"present":[33],"a":[34],"new":[35,145],"feature":[36],"descriptor,":[37],"called":[38],"spatially":[39],"flexible":[40],"patch":[41],"(SFP),":[42],"which":[43],"encodes":[44],"appearance":[47,69],"and":[48,99,131],"position":[49,74],"simultaneously.":[51],"SFP":[52,88],"has":[53],"potential":[55],"alleviate":[57],"of":[60,109],"insufficient":[61],"samples":[62],"owing":[63],"SFPs":[66,114],"similar":[67,78],"yet":[70],"slightly":[71],"different":[72],"still":[76],"provide":[77],"confidence":[79],"for":[80,154],"estimation.":[82,156],"One":[83],"other":[85],"associated":[89,115],"with":[90,95,116,127,139],"label":[92],"is":[93,103],"modeled":[94],"Gaussian":[96],"Mixture":[97],"Model,":[98],"then":[100],"conducted":[104,122],"maximizing":[106],"sum":[108],"likelihoods":[110],"all":[112],"hypothetic":[118],"age.":[119],"Experiments":[120],"are":[121],"YAMAHA":[125],"database":[126],"8,000":[128],"face":[129],"images":[130],"ages":[132],"ranging":[133],"0":[135],"93.":[137],"Compared":[138],"latest":[141],"reported":[142],"results,":[143],"our":[144],"algorithm":[146],"brings":[147],"encouraging":[148],"reduction":[149],"mean":[151],"absolute":[152],"error":[153]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":3},{"year":2012,"cited_by_count":6}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
