{"id":"https://openalex.org/W2784519437","doi":"https://doi.org/10.1145/3176649","title":"Deformation-Based 3D Facial Expression Representation","display_name":"Deformation-Based 3D Facial Expression Representation","publication_year":2018,"publication_date":"2018-03-10","ids":{"openalex":"https://openalex.org/W2784519437","doi":"https://doi.org/10.1145/3176649","mag":"2784519437"},"language":"en","primary_location":{"id":"doi:10.1145/3176649","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3176649","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://orbilu.uni.lu/handle/10993/34158","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5084574919","display_name":"Girum Demisse","orcid":"https://orcid.org/0000-0001-7068-1604"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Girum G. Demisse","raw_affiliation_strings":["University of Luxembourg, Luxembourg"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083368272","display_name":"Djamila Aouada","orcid":"https://orcid.org/0000-0002-7576-2064"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Djamila Aouada","raw_affiliation_strings":["University of Luxembourg, Luxembourg"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080037825","display_name":"Bj\u00f6rn Ottersten","orcid":"https://orcid.org/0000-0003-2298-6774"},"institutions":[{"id":"https://openalex.org/I186903577","display_name":"University of Luxembourg","ror":"https://ror.org/036x5ad56","country_code":"LU","type":"education","lineage":["https://openalex.org/I186903577"]}],"countries":["LU"],"is_corresponding":false,"raw_author_name":"Bj\u00f6rn Ottersten","raw_affiliation_strings":["University of Luxembourg, Luxembourg"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Luxembourg, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":0.7277,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.71620027,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":"14","issue":"1s","first_page":"1","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10057","display_name":"Face and Expression Recognition","score":0.9994000196456909,"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":0.9994000196456909,"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":0.9991999864578247,"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":0.9958000183105469,"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","display_name":"Facial expression","score":0.5824673771858215},{"id":"https://openalex.org/keywords/point-cloud","display_name":"Point cloud","score":0.5784951448440552},{"id":"https://openalex.org/keywords/lie-group","display_name":"Lie group","score":0.578380286693573},{"id":"https://openalex.org/keywords/manifold","display_name":"Manifold (fluid mechanics)","score":0.4997727870941162},{"id":"https://openalex.org/keywords/lie-algebra","display_name":"Lie algebra","score":0.4610956907272339},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.45889922976493835},{"id":"https://openalex.org/keywords/expression","display_name":"Expression (computer science)","score":0.4456082284450531},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.44058701395988464},{"id":"https://openalex.org/keywords/adjoint-representation","display_name":"Adjoint representation","score":0.43584689497947693},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4299306869506836},{"id":"https://openalex.org/keywords/group","display_name":"Group (periodic table)","score":0.4278164207935333},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4173118472099304},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.4156445264816284},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.3536967635154724},{"id":"https://openalex.org/keywords/pure-mathematics","display_name":"Pure mathematics","score":0.3443484902381897},{"id":"https://openalex.org/keywords/algebra-over-a-field","display_name":"Algebra over a field","score":0.3228853642940521},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.14436191320419312}],"concepts":[{"id":"https://openalex.org/C195704467","wikidata":"https://www.wikidata.org/wiki/Q327968","display_name":"Facial expression","level":2,"score":0.5824673771858215},{"id":"https://openalex.org/C131979681","wikidata":"https://www.wikidata.org/wiki/Q1899648","display_name":"Point cloud","level":2,"score":0.5784951448440552},{"id":"https://openalex.org/C187915474","wikidata":"https://www.wikidata.org/wiki/Q622679","display_name":"Lie group","level":2,"score":0.578380286693573},{"id":"https://openalex.org/C529865628","wikidata":"https://www.wikidata.org/wiki/Q1790740","display_name":"Manifold (fluid mechanics)","level":2,"score":0.4997727870941162},{"id":"https://openalex.org/C51568863","wikidata":"https://www.wikidata.org/wiki/Q664495","display_name":"Lie algebra","level":2,"score":0.4610956907272339},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.45889922976493835},{"id":"https://openalex.org/C90559484","wikidata":"https://www.wikidata.org/wiki/Q778379","display_name":"Expression (computer science)","level":2,"score":0.4456082284450531},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.44058701395988464},{"id":"https://openalex.org/C58910974","wikidata":"https://www.wikidata.org/wiki/Q1017106","display_name":"Adjoint representation","level":3,"score":0.43584689497947693},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4299306869506836},{"id":"https://openalex.org/C2781311116","wikidata":"https://www.wikidata.org/wiki/Q83306","display_name":"Group (periodic table)","level":2,"score":0.4278164207935333},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4173118472099304},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.4156445264816284},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3536967635154724},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.3443484902381897},{"id":"https://openalex.org/C136119220","wikidata":"https://www.wikidata.org/wiki/Q1000660","display_name":"Algebra over a field","level":2,"score":0.3228853642940521},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.14436191320419312},{"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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","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/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","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":2,"locations":[{"id":"doi:10.1145/3176649","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3176649","pdf_url":null,"source":{"id":"https://openalex.org/S19610489","display_name":"ACM Transactions on Multimedia Computing Communications and Applications","issn_l":"1551-6857","issn":["1551-6857","1551-6865"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319798","host_organization_name":"Association for Computing Machinery","host_organization_lineage":["https://openalex.org/P4310319798"],"host_organization_lineage_names":["Association for Computing Machinery"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, and Applications","raw_type":"journal-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/34158","is_oa":true,"landing_page_url":"https://orbilu.uni.lu/handle/10993/34158","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, &amp; Applications. Association for Computing Machinery (2018).","raw_type":null}],"best_oa_location":{"id":"pmh:oai:orbilu.uni.lu:10993/34158","is_oa":true,"landing_page_url":"https://orbilu.uni.lu/handle/10993/34158","pdf_url":null,"source":{"id":"https://openalex.org/S4306401815","display_name":"Open Repository and Bibliography (University of Luxembourg)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I186903577","host_organization_name":"University of Luxembourg","host_organization_lineage":["https://openalex.org/I186903577"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ACM Transactions on Multimedia Computing, Communications, &amp; Applications. Association for Computing Machinery (2018).","raw_type":null},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G8339769825","display_name":"Decision SupporT and self-mAnagement system for stRoke survivoRs","funder_award_id":"689947","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":54,"referenced_works":["https://openalex.org/W328858784","https://openalex.org/W392639216","https://openalex.org/W1040410175","https://openalex.org/W1557043124","https://openalex.org/W1566413196","https://openalex.org/W1568068040","https://openalex.org/W1585521757","https://openalex.org/W1588539311","https://openalex.org/W1603155784","https://openalex.org/W1915485278","https://openalex.org/W1974210421","https://openalex.org/W1978435065","https://openalex.org/W1981660604","https://openalex.org/W1982428585","https://openalex.org/W1983105492","https://openalex.org/W1987231241","https://openalex.org/W1988457341","https://openalex.org/W1995997122","https://openalex.org/W2006943008","https://openalex.org/W2013480151","https://openalex.org/W2051297709","https://openalex.org/W2051688810","https://openalex.org/W2069190036","https://openalex.org/W2071355416","https://openalex.org/W2075688085","https://openalex.org/W2084283003","https://openalex.org/W2091804476","https://openalex.org/W2093976044","https://openalex.org/W2095095223","https://openalex.org/W2097650154","https://openalex.org/W2098236528","https://openalex.org/W2116310307","https://openalex.org/W2132644735","https://openalex.org/W2136063698","https://openalex.org/W2137306662","https://openalex.org/W2145287260","https://openalex.org/W2146932984","https://openalex.org/W2156503193","https://openalex.org/W2162280462","https://openalex.org/W2163922914","https://openalex.org/W2165168736","https://openalex.org/W2165183780","https://openalex.org/W2166835339","https://openalex.org/W2168540480","https://openalex.org/W2170653751","https://openalex.org/W2339620988","https://openalex.org/W2340013814","https://openalex.org/W2491089320","https://openalex.org/W2542323081","https://openalex.org/W2545500157","https://openalex.org/W2620879480","https://openalex.org/W2752758619","https://openalex.org/W4241614188","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W3108652777","https://openalex.org/W2521760353","https://openalex.org/W2373470437","https://openalex.org/W2977917342","https://openalex.org/W2041926611","https://openalex.org/W3133248316","https://openalex.org/W2105339944","https://openalex.org/W4298401637","https://openalex.org/W2940979654","https://openalex.org/W2963288691"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,16,31,35,50,68,87,107],"deformation-based":[3],"representation":[4],"for":[5],"analyzing":[6],"expressions":[7,82,123,138],"from":[8,30,86,143],"three-dimensional":[9],"(3D)":[10],"faces.":[11],"A":[12],"point":[13],"cloud":[14],"of":[15,26,44,49,59,67,112,120,135],"3D":[17,62,159],"face":[18],"is":[19,38,153],"decomposed":[20],"into":[21],"an":[22,47,65,91],"ordered":[23],"deformable":[24],"set":[25,43],"curves":[27,45],"that":[28,170],"start":[29],"fixed":[32],"point.":[33],"Subsequently,":[34],"mapping":[36],"function":[37],"defined":[39],"to":[40,106,147],"identify":[41],"the":[42,56,78,101,113,118,129,144,148,156,164,171,177],"with":[46,100,124],"element":[48,66],"high-dimensional":[51,69],"matrix":[52],"Lie":[53,70,102,110,145,149],"group,":[54],"specifically":[55],"direct":[57],"product":[58],"SE(3).":[60],"Representing":[61],"faces":[63],"as":[64],"group":[71,79,103],"has":[72],"two":[73],"main":[74],"advantages.":[75],"First,":[76],"using":[77,181],"structure,":[80],"facial":[81,94,122,137],"can":[83,97,139],"be":[84,98,140],"decoupled":[85],"neutral":[88],"face.":[89],"Second,":[90],"underlying":[92,130],"non-linear":[93],"expression":[95],"manifold":[96],"captured":[99],"and":[104,163],"mapped":[105,141],"linear":[108,125,133],"space,":[109],"algebra":[111,146],"group.":[114,150],"This":[115],"opens":[116],"up":[117],"possibility":[119],"classifying":[121],"models":[126],"without":[127,180],"compromising":[128],"manifold.":[131],"Alternatively,":[132],"combinations":[134],"linearised":[136],"back":[142],"The":[151,167],"approach":[152,173],"tested":[154],"on":[155,176],"Binghamton":[157],"University":[158],"Facial":[160],"Expression":[161],"(BU-3DFE)":[162],"Bosphorus":[165],"datasets.":[166],"results":[168],"show":[169],"proposed":[172],"performed":[174],"comparably,":[175],"BU-3DFE":[178],"dataset,":[179],"features":[182],"or":[183],"extensive":[184],"landmark":[185],"points.":[186]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1}],"updated_date":"2026-07-30T17:31:21.811387","created_date":"2025-10-10T00:00:00"}
