{"id":"https://openalex.org/W1997145183","doi":"https://doi.org/10.1109/iccvw.2011.6130397","title":"Expressive Maps for 3D Facial Expression Recognition","display_name":"Expressive Maps for 3D Facial Expression Recognition","publication_year":2011,"publication_date":"2011-11-01","ids":{"openalex":"https://openalex.org/W1997145183","doi":"https://doi.org/10.1109/iccvw.2011.6130397","mag":"1997145183"},"language":"en","primary_location":{"id":"doi:10.1109/iccvw.2011.6130397","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccvw.2011.6130397","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Computer Vision Workshops (ICCV Workshops)","raw_type":"proceedings-article"},"type":"article","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/A5013127042","display_name":"Omar Ocegueda","orcid":null},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Omar Ocegueda","raw_affiliation_strings":["Computational Biomedicine Lab, University of Houston, Houston, TX, USA","Computational Biomedicine Lab, University of Houston, TX, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Computational Biomedicine Lab, University of Houston, Houston, TX, USA","institution_ids":["https://openalex.org/I44461941"]},{"raw_affiliation_string":"Computational Biomedicine Lab, University of Houston, TX, USA#TAB#","institution_ids":["https://openalex.org/I44461941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108405281","display_name":"Tianhong Fang","orcid":null},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tianhong Fang","raw_affiliation_strings":["Computational Biomedicine Lab, University of Houston, Houston, TX, USA","Computational Biomedicine Lab, University of Houston, TX, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Computational Biomedicine Lab, University of Houston, Houston, TX, USA","institution_ids":["https://openalex.org/I44461941"]},{"raw_affiliation_string":"Computational Biomedicine Lab, University of Houston, TX, USA#TAB#","institution_ids":["https://openalex.org/I44461941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038747694","display_name":"Shishir K. Shah","orcid":"https://orcid.org/0000-0003-4093-6906"},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shishir K. Shah","raw_affiliation_strings":["Computational Biomedicine Lab, University of Houston, Houston, TX, USA","Computational Biomedicine Lab, University of Houston, TX, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Computational Biomedicine Lab, University of Houston, Houston, TX, USA","institution_ids":["https://openalex.org/I44461941"]},{"raw_affiliation_string":"Computational Biomedicine Lab, University of Houston, TX, USA#TAB#","institution_ids":["https://openalex.org/I44461941"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031773367","display_name":"Ioannis A. Kakadiaris","orcid":"https://orcid.org/0000-0002-0591-1079"},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ioannis A. Kakadiaris","raw_affiliation_strings":["Computational Biomedicine Lab, University of Houston, Houston, TX, USA","Computational Biomedicine Lab, University of Houston, TX, USA#TAB#"],"affiliations":[{"raw_affiliation_string":"Computational Biomedicine Lab, University of Houston, Houston, TX, USA","institution_ids":["https://openalex.org/I44461941"]},{"raw_affiliation_string":"Computational Biomedicine Lab, University of Houston, TX, USA#TAB#","institution_ids":["https://openalex.org/I44461941"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5013127042"],"corresponding_institution_ids":["https://openalex.org/I44461941"],"apc_list":null,"apc_paid":null,"fwci":1.0302,"has_fulltext":false,"cited_by_count":21,"citation_normalized_percentile":{"value":0.78817755,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"7","issue":null,"first_page":"1270","last_page":"1275"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10057","display_name":"Face and Expression Recognition","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/T10057","display_name":"Face and Expression Recognition","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/T11448","display_name":"Face recognition and analysis","score":0.9993000030517578,"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/T10667","display_name":"Emotion and Mood Recognition","score":0.9962999820709229,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.7108610272407532},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7029750943183899},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6445059180259705},{"id":"https://openalex.org/keywords/polygon-mesh","display_name":"Polygon mesh","score":0.6348847150802612},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6095148324966431},{"id":"https://openalex.org/keywords/facial-expression","display_name":"Facial expression","score":0.6074953675270081},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.5818296670913696},{"id":"https://openalex.org/keywords/classifier","display_name":"Classifier (UML)","score":0.5510575771331787},{"id":"https://openalex.org/keywords/dimensionality-reduction","display_name":"Dimensionality reduction","score":0.497388631105423},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.49145686626434326},{"id":"https://openalex.org/keywords/vertex","display_name":"Vertex (graph theory)","score":0.48744943737983704},{"id":"https://openalex.org/keywords/curvature","display_name":"Curvature","score":0.481374055147171},{"id":"https://openalex.org/keywords/feature-vector","display_name":"Feature vector","score":0.4559529423713684},{"id":"https://openalex.org/keywords/curse-of-dimensionality","display_name":"Curse of dimensionality","score":0.450580358505249},{"id":"https://openalex.org/keywords/face-hallucination","display_name":"Face hallucination","score":0.44519925117492676},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.41055548191070557},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.3779372274875641},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25579890608787537},{"id":"https://openalex.org/keywords/face-detection","display_name":"Face detection","score":0.16082125902175903},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.08647128939628601},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.07646489143371582}],"concepts":[{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.7108610272407532},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7029750943183899},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6445059180259705},{"id":"https://openalex.org/C31487907","wikidata":"https://www.wikidata.org/wiki/Q1154597","display_name":"Polygon mesh","level":2,"score":0.6348847150802612},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6095148324966431},{"id":"https://openalex.org/C195704467","wikidata":"https://www.wikidata.org/wiki/Q327968","display_name":"Facial expression","level":2,"score":0.6074953675270081},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.5818296670913696},{"id":"https://openalex.org/C95623464","wikidata":"https://www.wikidata.org/wiki/Q1096149","display_name":"Classifier (UML)","level":2,"score":0.5510575771331787},{"id":"https://openalex.org/C70518039","wikidata":"https://www.wikidata.org/wiki/Q16000077","display_name":"Dimensionality reduction","level":2,"score":0.497388631105423},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.49145686626434326},{"id":"https://openalex.org/C80899671","wikidata":"https://www.wikidata.org/wiki/Q1304193","display_name":"Vertex (graph theory)","level":3,"score":0.48744943737983704},{"id":"https://openalex.org/C195065555","wikidata":"https://www.wikidata.org/wiki/Q214881","display_name":"Curvature","level":2,"score":0.481374055147171},{"id":"https://openalex.org/C83665646","wikidata":"https://www.wikidata.org/wiki/Q42139305","display_name":"Feature vector","level":2,"score":0.4559529423713684},{"id":"https://openalex.org/C111030470","wikidata":"https://www.wikidata.org/wiki/Q1430460","display_name":"Curse of dimensionality","level":2,"score":0.450580358505249},{"id":"https://openalex.org/C54654163","wikidata":"https://www.wikidata.org/wiki/Q5428359","display_name":"Face hallucination","level":5,"score":0.44519925117492676},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.41055548191070557},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3779372274875641},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25579890608787537},{"id":"https://openalex.org/C4641261","wikidata":"https://www.wikidata.org/wiki/Q11681085","display_name":"Face detection","level":4,"score":0.16082125902175903},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.08647128939628601},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.07646489143371582},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","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/C132525143","wikidata":"https://www.wikidata.org/wiki/Q141488","display_name":"Graph","level":2,"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iccvw.2011.6130397","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccvw.2011.6130397","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Computer Vision Workshops (ICCV Workshops)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","score":0.7900000214576721,"id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320312530","display_name":"Office of the Director of National Intelligence","ror":"https://ror.org/01v3fsc55"},{"id":"https://openalex.org/F4320333051","display_name":"Intelligence Advanced Research Projects Activity","ror":"https://ror.org/01v3fsc55"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W1557043124","https://openalex.org/W2060515346","https://openalex.org/W2069190036","https://openalex.org/W2076756054","https://openalex.org/W2093120612","https://openalex.org/W2097902475","https://openalex.org/W2104539097","https://openalex.org/W2117317925","https://openalex.org/W2118585731","https://openalex.org/W2120495024","https://openalex.org/W2128409098","https://openalex.org/W2130140018","https://openalex.org/W2136063698","https://openalex.org/W2157566779","https://openalex.org/W2166034132","https://openalex.org/W2166743687","https://openalex.org/W2406671837","https://openalex.org/W2542323081","https://openalex.org/W4238957295","https://openalex.org/W6665317069","https://openalex.org/W6679975153","https://openalex.org/W6684042233","https://openalex.org/W6713612660","https://openalex.org/W6729004593"],"related_works":["https://openalex.org/W6057950","https://openalex.org/W2116055069","https://openalex.org/W4390269781","https://openalex.org/W2810769215","https://openalex.org/W1996076863","https://openalex.org/W2104680354","https://openalex.org/W1527971684","https://openalex.org/W2092604057","https://openalex.org/W2169777806","https://openalex.org/W2030097757"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,49,64,104,112],"semi-automatic":[3],"3D":[4,18],"Facial":[5],"Expression":[6],"Recognition":[7],"system":[8],"based":[9],"on":[10,126],"geometric":[11,51,69],"facial":[12,19],"information.":[13],"In":[14],"this":[15],"approach,":[16],"the":[17,31,38,41,68,81,85,88,91,97,101,127],"meshes":[20],"are":[21,34,44],"first":[22],"fitted":[23],"to":[24,48,66,94],"an":[25],"Annotated":[26],"Face":[27],"Model":[28],"(AFM).":[29],"Then,":[30],"Expressive":[32,61],"Maps":[33,62],"computed,":[35],"which":[36],"indicate":[37],"parts":[39],"of":[40,73,87,90,96,118],"face":[42,82],"that":[43],"most":[45],"expressive":[46],"according":[47],"particular":[50],"feature":[52],"(e.g.,":[53],"vertex":[54],"coordinates,":[55],"normals,":[56],"and":[57,77,83,110],"local":[58],"curvature).":[59],"The":[60],"provide":[63],"way":[65],"analyze":[67],"features":[70,103],"in":[71],"terms":[72],"their":[74,78],"discriminative":[75],"information":[76],"distribution":[79],"along":[80],"allow":[84],"reduction":[86],"dimensionality":[89],"input":[92],"space":[93],"2:5%":[95],"original":[98],"size.":[99],"Using":[100],"selected":[102],"simple":[105],"linear":[106],"classifier":[107],"was":[108],"trained":[109],"yielded":[111],"very":[113],"competitive":[114],"average":[115],"recognition":[116],"rate":[117],"90:4%":[119],"when":[120],"evaluated":[121],"using":[122],"ten-fold":[123],"cross":[124],"validation":[125],"publicly":[128],"available":[129],"BU-3DFE":[130],"database.":[131]},"counts_by_year":[{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}