{"id":"https://openalex.org/W2097957903","doi":"https://doi.org/10.1007/3-540-36181-2_52","title":"Recognizing Expressions by Direct Estimation of the Parameters of a Pixel Morphable Model","display_name":"Recognizing Expressions by Direct Estimation of the Parameters of a Pixel Morphable Model","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W2097957903","doi":"https://doi.org/10.1007/3-540-36181-2_52","mag":"2097957903"},"language":"en","primary_location":{"id":"doi:10.1007/3-540-36181-2_52","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-36181-2_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,"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"},"type":"book-chapter","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/A5111977276","display_name":"Vinay P. Kumar","orcid":null},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vinay P. Kumar","raw_affiliation_strings":["Center for Biological and Computational Learning, Massachusetts Institute of Technology, 02142, Cambridge, MA","Center for Biological and Computational Learning, Massachusetts Institute of Technology, Cambridge,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Biological and Computational Learning, Massachusetts Institute of Technology, 02142, Cambridge, MA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Center for Biological and Computational Learning, Massachusetts Institute of Technology, Cambridge,","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001833084","display_name":"Tomaso Poggio","orcid":"https://orcid.org/0000-0002-3944-0455"},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tomaso Poggio","raw_affiliation_strings":["Center for Biological and Computational Learning, Massachusetts Institute of Technology, 02142, Cambridge, MA","Center for Biological and Computational Learning, Massachusetts Institute of Technology, Cambridge,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Center for Biological and Computational Learning, Massachusetts Institute of Technology, 02142, Cambridge, MA","institution_ids":["https://openalex.org/I63966007"]},{"raw_affiliation_string":"Center for Biological and Computational Learning, Massachusetts Institute of Technology, Cambridge,","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I63966007"],"apc_list":{"value":5000,"currency":"EUR","value_usd":5392},"apc_paid":null,"fwci":0.251,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.57024793,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"519","last_page":"527"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11448","display_name":"Face recognition and analysis","score":0.9965000152587891,"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":0.9965000152587891,"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/T10627","display_name":"Advanced Image and Video Retrieval Techniques","score":0.9934999942779541,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.9894999861717224,"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/computer-science","display_name":"Computer science","score":0.8090410232543945},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6946296691894531},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.5472738742828369},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.5357196927070618},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4950834810733795},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.49085789918899536},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4520355463027954},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.44544896483421326},{"id":"https://openalex.org/keywords/annotation","display_name":"Annotation","score":0.42929548025131226},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.4239903688430786},{"id":"https://openalex.org/keywords/active-appearance-model","display_name":"Active appearance model","score":0.418365478515625},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.3359467387199402}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8090410232543945},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6946296691894531},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.5472738742828369},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.5357196927070618},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4950834810733795},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.49085789918899536},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4520355463027954},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.44544896483421326},{"id":"https://openalex.org/C2776321320","wikidata":"https://www.wikidata.org/wiki/Q857525","display_name":"Annotation","level":2,"score":0.42929548025131226},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.4239903688430786},{"id":"https://openalex.org/C83248878","wikidata":"https://www.wikidata.org/wiki/Q344000","display_name":"Active appearance model","level":3,"score":0.418365478515625},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.3359467387199402},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/3-540-36181-2_52","is_oa":false,"landing_page_url":"https://doi.org/10.1007/3-540-36181-2_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,"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":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1481420047","https://openalex.org/W1492432973","https://openalex.org/W1493385272","https://openalex.org/W1509031088","https://openalex.org/W1559369648","https://openalex.org/W1562206072","https://openalex.org/W1567215857","https://openalex.org/W1571461735","https://openalex.org/W1603675568","https://openalex.org/W1924584954","https://openalex.org/W2053197265","https://openalex.org/W2070320140","https://openalex.org/W2096076356","https://openalex.org/W2097873612","https://openalex.org/W2099257899","https://openalex.org/W2100874064","https://openalex.org/W2148603752","https://openalex.org/W2159483987","https://openalex.org/W2166125343","https://openalex.org/W2170099627","https://openalex.org/W2172803778","https://openalex.org/W2241007620","https://openalex.org/W3151335401","https://openalex.org/W3169507310","https://openalex.org/W6634156485","https://openalex.org/W7071374342"],"related_works":["https://openalex.org/W2361861616","https://openalex.org/W2263699433","https://openalex.org/W2377979023","https://openalex.org/W2218034408","https://openalex.org/W2392921965","https://openalex.org/W2358755282","https://openalex.org/W2625833328","https://openalex.org/W2108699977","https://openalex.org/W2357921963","https://openalex.org/W2039919750"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}