{"id":"https://openalex.org/W4210388445","doi":"https://doi.org/10.1109/fg52635.2021.9666934","title":"Lightweight Deep Symmetric Positive Definite Manifold Network for Real-Time 3D Hand Gesture Recognition","display_name":"Lightweight Deep Symmetric Positive Definite Manifold Network for Real-Time 3D Hand Gesture Recognition","publication_year":2021,"publication_date":"2021-12-15","ids":{"openalex":"https://openalex.org/W4210388445","doi":"https://doi.org/10.1109/fg52635.2021.9666934"},"language":"en","primary_location":{"id":"doi:10.1109/fg52635.2021.9666934","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fg52635.2021.9666934","pdf_url":null,"source":{"id":"https://openalex.org/S4363608446","display_name":"2021 16th IEEE International Conference on Automatic Face and Gesture Recognition (FG 2021)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"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":"2021 16th IEEE International Conference on Automatic Face and Gesture Recognition (FG 2021)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://hal.science/hal-03531927","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5019419817","display_name":"Mostefa Ben Naceur","orcid":"https://orcid.org/0000-0003-4154-9473"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I194210350","display_name":"\u00c9cole Nationale Sup\u00e9rieure d'Ing\u00e9nieurs de Caen","ror":"https://ror.org/01fpqqe90","country_code":"FR","type":"education","lineage":["https://openalex.org/I194210350","https://openalex.org/I4210105918"]},{"id":"https://openalex.org/I4210139483","display_name":"GREYC","ror":"https://ror.org/043749971","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I194210350","https://openalex.org/I4210105918","https://openalex.org/I4210105918","https://openalex.org/I4210139483","https://openalex.org/I4210159245","https://openalex.org/I98702875"]},{"id":"https://openalex.org/I98702875","display_name":"Universit\u00e9 de Caen Normandie","ror":"https://ror.org/051kpcy16","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210105918","https://openalex.org/I98702875"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Mostefa Ben Naceur","raw_affiliation_strings":["UNICAEN, ENSICAEN, CNRS, GREYC, Caen, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UNICAEN, ENSICAEN, CNRS, GREYC, Caen, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I194210350","https://openalex.org/I4210139483","https://openalex.org/I98702875"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5067287623","display_name":"Luc Brun","orcid":"https://orcid.org/0000-0002-1658-0527"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I194210350","display_name":"\u00c9cole Nationale Sup\u00e9rieure d'Ing\u00e9nieurs de Caen","ror":"https://ror.org/01fpqqe90","country_code":"FR","type":"education","lineage":["https://openalex.org/I194210350","https://openalex.org/I4210105918"]},{"id":"https://openalex.org/I4210139483","display_name":"GREYC","ror":"https://ror.org/043749971","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I194210350","https://openalex.org/I4210105918","https://openalex.org/I4210105918","https://openalex.org/I4210139483","https://openalex.org/I4210159245","https://openalex.org/I98702875"]},{"id":"https://openalex.org/I98702875","display_name":"Universit\u00e9 de Caen Normandie","ror":"https://ror.org/051kpcy16","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210105918","https://openalex.org/I98702875"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Luc Brun","raw_affiliation_strings":["UNICAEN, ENSICAEN, CNRS, GREYC, Caen, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UNICAEN, ENSICAEN, CNRS, GREYC, Caen, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I194210350","https://openalex.org/I4210139483","https://openalex.org/I98702875"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5062753174","display_name":"Olivier L\u00e9zoray","orcid":"https://orcid.org/0000-0003-0540-543X"},"institutions":[{"id":"https://openalex.org/I1294671590","display_name":"Centre National de la Recherche Scientifique","ror":"https://ror.org/02feahw73","country_code":"FR","type":"government","lineage":["https://openalex.org/I1294671590"]},{"id":"https://openalex.org/I194210350","display_name":"\u00c9cole Nationale Sup\u00e9rieure d'Ing\u00e9nieurs de Caen","ror":"https://ror.org/01fpqqe90","country_code":"FR","type":"education","lineage":["https://openalex.org/I194210350","https://openalex.org/I4210105918"]},{"id":"https://openalex.org/I4210139483","display_name":"GREYC","ror":"https://ror.org/043749971","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I1294671590","https://openalex.org/I194210350","https://openalex.org/I4210105918","https://openalex.org/I4210105918","https://openalex.org/I4210139483","https://openalex.org/I4210159245","https://openalex.org/I98702875"]},{"id":"https://openalex.org/I98702875","display_name":"Universit\u00e9 de Caen Normandie","ror":"https://ror.org/051kpcy16","country_code":"FR","type":"education","lineage":["https://openalex.org/I4210105918","https://openalex.org/I98702875"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Olivier Lezoray","raw_affiliation_strings":["UNICAEN, ENSICAEN, CNRS, GREYC, Caen, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"UNICAEN, ENSICAEN, CNRS, GREYC, Caen, France","institution_ids":["https://openalex.org/I1294671590","https://openalex.org/I194210350","https://openalex.org/I4210139483","https://openalex.org/I98702875"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.18443062,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"30","issue":null,"first_page":"1","last_page":"8"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11398","display_name":"Hand Gesture Recognition Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T11398","display_name":"Hand Gesture Recognition Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9998000264167786,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6906678676605225},{"id":"https://openalex.org/keywords/gesture","display_name":"Gesture","score":0.67337965965271},{"id":"https://openalex.org/keywords/gesture-recognition","display_name":"Gesture recognition","score":0.6628763675689697},{"id":"https://openalex.org/keywords/encode","display_name":"ENCODE","score":0.6499742269515991},{"id":"https://openalex.org/keywords/manifold","display_name":"Manifold (fluid mechanics)","score":0.6370078325271606},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6234628558158875},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5806592702865601},{"id":"https://openalex.org/keywords/inference","display_name":"Inference","score":0.5801283717155457},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.5200300216674805},{"id":"https://openalex.org/keywords/transformation","display_name":"Transformation (genetics)","score":0.444292813539505},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.347592294216156},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08810427784919739}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6906678676605225},{"id":"https://openalex.org/C207347870","wikidata":"https://www.wikidata.org/wiki/Q371174","display_name":"Gesture","level":2,"score":0.67337965965271},{"id":"https://openalex.org/C159437735","wikidata":"https://www.wikidata.org/wiki/Q1519524","display_name":"Gesture recognition","level":3,"score":0.6628763675689697},{"id":"https://openalex.org/C66746571","wikidata":"https://www.wikidata.org/wiki/Q1134833","display_name":"ENCODE","level":3,"score":0.6499742269515991},{"id":"https://openalex.org/C529865628","wikidata":"https://www.wikidata.org/wiki/Q1790740","display_name":"Manifold (fluid mechanics)","level":2,"score":0.6370078325271606},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6234628558158875},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5806592702865601},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5801283717155457},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.5200300216674805},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.444292813539505},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.347592294216156},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08810427784919739},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"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/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/fg52635.2021.9666934","is_oa":false,"landing_page_url":"https://doi.org/10.1109/fg52635.2021.9666934","pdf_url":null,"source":{"id":"https://openalex.org/S4363608446","display_name":"2021 16th IEEE International Conference on Automatic Face and Gesture Recognition (FG 2021)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"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":"2021 16th IEEE International Conference on Automatic Face and Gesture Recognition (FG 2021)","raw_type":"proceedings-article"},{"id":"pmh:oai:HAL:hal-03531927v1","is_oa":true,"landing_page_url":"https://hal.science/hal-03531927","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"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":"Face and Gesture Recognition 2021, Dec 2021, Jodhpur, India","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:HAL:hal-03531927v1","is_oa":true,"landing_page_url":"https://hal.science/hal-03531927","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL (Le Centre pour la Communication Scientifique Directe)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1294671590","host_organization_name":"Centre National de la Recherche Scientifique","host_organization_lineage":["https://openalex.org/I1294671590"],"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":"Face and Gesture Recognition 2021, Dec 2021, Jodhpur, India","raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":77,"referenced_works":["https://openalex.org/W1508406818","https://openalex.org/W1522734439","https://openalex.org/W1549083695","https://openalex.org/W1950788856","https://openalex.org/W1963776585","https://openalex.org/W1979378996","https://openalex.org/W1983496390","https://openalex.org/W1983592444","https://openalex.org/W1993014362","https://openalex.org/W1996955012","https://openalex.org/W2019245255","https://openalex.org/W2021150171","https://openalex.org/W2041288491","https://openalex.org/W2048821851","https://openalex.org/W2064675550","https://openalex.org/W2085735683","https://openalex.org/W2112796928","https://openalex.org/W2116022929","https://openalex.org/W2118585731","https://openalex.org/W2127141656","https://openalex.org/W2130942839","https://openalex.org/W2136853139","https://openalex.org/W2139857301","https://openalex.org/W2143267104","https://openalex.org/W2157331557","https://openalex.org/W2162033023","https://openalex.org/W2163605009","https://openalex.org/W2199385431","https://openalex.org/W2204257188","https://openalex.org/W2342662179","https://openalex.org/W2443602434","https://openalex.org/W2465488276","https://openalex.org/W2467634805","https://openalex.org/W2471695703","https://openalex.org/W2508191294","https://openalex.org/W2517500902","https://openalex.org/W2551687757","https://openalex.org/W2563154851","https://openalex.org/W2593146028","https://openalex.org/W2603861860","https://openalex.org/W2604321021","https://openalex.org/W2604865066","https://openalex.org/W2605973302","https://openalex.org/W2736334449","https://openalex.org/W2772956121","https://openalex.org/W2777985171","https://openalex.org/W2792060773","https://openalex.org/W2795354662","https://openalex.org/W2952200000","https://openalex.org/W2952587893","https://openalex.org/W2963076818","https://openalex.org/W2963370140","https://openalex.org/W2964097678","https://openalex.org/W2964193299","https://openalex.org/W2969331030","https://openalex.org/W2982442523","https://openalex.org/W3005254336","https://openalex.org/W3106327734","https://openalex.org/W3160257192","https://openalex.org/W3212919720","https://openalex.org/W4230005465","https://openalex.org/W6630414125","https://openalex.org/W6632640995","https://openalex.org/W6640754710","https://openalex.org/W6677656871","https://openalex.org/W6679436768","https://openalex.org/W6684191040","https://openalex.org/W6687880102","https://openalex.org/W6698200468","https://openalex.org/W6724997344","https://openalex.org/W6726554431","https://openalex.org/W6729776295","https://openalex.org/W6735774983","https://openalex.org/W6746431313","https://openalex.org/W6747795875","https://openalex.org/W6748797629","https://openalex.org/W6755951747"],"related_works":["https://openalex.org/W2468279273","https://openalex.org/W2902873204","https://openalex.org/W2185750513","https://openalex.org/W2010878661","https://openalex.org/W3147379364","https://openalex.org/W2026258298","https://openalex.org/W3204639664","https://openalex.org/W2970836791","https://openalex.org/W2805039731","https://openalex.org/W2989699735"],"abstract_inverted_index":{"This":[0],"paper":[1],"proposes":[2],"a":[3,93,105],"new":[4,94],"neural":[5,55],"network":[6,56,101],"based":[7],"on":[8,63,104],"Symmetric":[9],"Positive":[10],"Definite":[11],"(SPD)":[12],"manifold":[13,65],"learning":[14],"for":[15],"real-time":[16],"skeleton-based":[17],"hand":[18],"gesture":[19,95],"recognition.":[20],"The":[21,69,99],"transformation":[22],"of":[23,66,92,115],"the":[24,43,64,80,90,97],"input":[25],"skeletal":[26],"data":[27],"into":[28],"SPD":[29],"matrices":[30,47],"allows":[31],"to":[32,61,85],"encode":[33],"efficiently":[34],"high-order":[35],"statistics":[36],"such":[37,67],"as":[38],"covariances":[39],"or":[40],"correlations":[41],"between":[42],"joints'":[44],"features.":[45],"These":[46],"are":[48],"combined":[49],"and":[50,88,108,117],"transformed":[51],"by":[52],"our":[53],"deep":[54],"which":[57],"is":[58,72,102],"thus":[59],"constrained":[60],"work":[62],"matrices.":[68],"online":[70],"recognition":[71],"performed":[73],"using":[74],"two":[75],"sliding":[76],"windows":[77],"moving":[78],"along":[79],"gesture's":[81],"stream":[82],"in":[83,113],"order":[84],"simultaneously":[86],"detect":[87],"classify":[89],"occurrence":[91],"within":[96],"stream.":[98],"proposed":[100],"validated":[103],"challenging":[106],"dataset":[107],"shows":[109],"state-of-the-art":[110],"performances":[111],"both":[112],"terms":[114],"accuracy":[116],"inference":[118],"time.":[119]},"counts_by_year":[],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}