{"id":"https://openalex.org/W3014457501","doi":"https://doi.org/10.1109/lsp.2020.2983901","title":"Fast Adaptive Reparametrization (FAR) With Application to Human Action Recognition","display_name":"Fast Adaptive Reparametrization (FAR) With Application to Human Action Recognition","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3014457501","doi":"https://doi.org/10.1109/lsp.2020.2983901","mag":"3014457501"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2020.2983901","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2020.2983901","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://orbilu.uni.lu/handle/10993/43055","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080787031","display_name":"Enjie Ghorbel","orcid":"https://orcid.org/0000-0002-6878-0141"},"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":true,"raw_author_name":"Enjie Ghorbel","raw_affiliation_strings":["Reliability and Trust, Interdisciplinary centre of Security, University of Luxembourg, Esch-sur-Alzette, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Reliability and Trust, Interdisciplinary centre of Security, University of Luxembourg, Esch-sur-Alzette, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]},{"author_position":"middle","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 Demisse","raw_affiliation_strings":["Reliability and Trust, Interdisciplinary centre of Security, University of Luxembourg, Esch-sur-Alzette, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Reliability and Trust, Interdisciplinary centre of Security, University of Luxembourg, Esch-sur-Alzette, 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":["Reliability and Trust, Interdisciplinary centre of Security, University of Luxembourg, Esch-sur-Alzette, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Reliability and Trust, Interdisciplinary centre of Security, University of Luxembourg, Esch-sur-Alzette, 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":"Bjorn Ottersten","raw_affiliation_strings":["Reliability and Trust, Interdisciplinary centre of Security, University of Luxembourg, Esch-sur-Alzette, Luxembourg"],"affiliations":[{"raw_affiliation_string":"Reliability and Trust, Interdisciplinary centre of Security, University of Luxembourg, Esch-sur-Alzette, Luxembourg","institution_ids":["https://openalex.org/I186903577"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5080787031"],"corresponding_institution_ids":["https://openalex.org/I186903577"],"apc_list":null,"apc_paid":null,"fwci":0.2943,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.55031087,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"27","issue":null,"first_page":"580","last_page":"584"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9998999834060669,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9998999834060669,"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":0.9980000257492065,"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"}},{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9905999898910522,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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":0.6473032236099243},{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.5306258201599121},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.4454018473625183},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.43761977553367615},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.340270459651947}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6473032236099243},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.5306258201599121},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.4454018473625183},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.43761977553367615},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.340270459651947},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/lsp.2020.2983901","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2020.2983901","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-article"},{"id":"pmh:oai:orbilu.uni.lu:10993/43055","is_oa":true,"landing_page_url":"http://orbilu.uni.lu/handle/10993/43055","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":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"info:eu-repo/grantAgreement/EC/H2020/689947","raw_type":null}],"best_oa_location":{"id":"pmh:oai:orbilu.uni.lu:10993/43055","is_oa":true,"landing_page_url":"http://orbilu.uni.lu/handle/10993/43055","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":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"info:eu-repo/grantAgreement/EC/H2020/689947","raw_type":null},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G5477622345","display_name":null,"funder_award_id":"C15/IS/10415355/3D-ACT/Bj\u00f6rn Ottersten","funder_id":"https://openalex.org/F4320321038","funder_display_name":"Fonds National de la Recherche Luxembourg"}],"funders":[{"id":"https://openalex.org/F4320310700","display_name":"Universit\u00e9 du Luxembourg","ror":"https://ror.org/036x5ad56"},{"id":"https://openalex.org/F4320321038","display_name":"Fonds National de la Recherche Luxembourg","ror":"https://ror.org/039z13y21"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":34,"referenced_works":["https://openalex.org/W116902681","https://openalex.org/W1480873147","https://openalex.org/W1551148884","https://openalex.org/W1564897360","https://openalex.org/W1966526626","https://openalex.org/W1969714297","https://openalex.org/W1986442311","https://openalex.org/W2048821851","https://openalex.org/W2052648922","https://openalex.org/W2060373352","https://openalex.org/W2093976044","https://openalex.org/W2117072511","https://openalex.org/W2125949583","https://openalex.org/W2144380653","https://openalex.org/W2145546283","https://openalex.org/W2149184914","https://openalex.org/W2152106040","https://openalex.org/W2165168736","https://openalex.org/W2168399467","https://openalex.org/W2170630345","https://openalex.org/W2176206481","https://openalex.org/W2293818142","https://openalex.org/W2340013814","https://openalex.org/W2609494734","https://openalex.org/W2620879480","https://openalex.org/W2881486721","https://openalex.org/W2894957992","https://openalex.org/W2900379757","https://openalex.org/W2921538690","https://openalex.org/W2943401312","https://openalex.org/W2967519940","https://openalex.org/W3102756837","https://openalex.org/W4243055393","https://openalex.org/W6604828220"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W2382290278","https://openalex.org/W2478288626","https://openalex.org/W4391913857","https://openalex.org/W1576128429","https://openalex.org/W2269464716"],"abstract_inverted_index":{"In":[0,82],"this":[1,71],"letter,":[2],"a":[3,52,60],"fast":[4],"approach":[5,157],"for":[6,146],"curve":[7,41,57],"reparametrization,":[8],"called":[9],"Fast":[10],"Adaptive":[11],"Reparamterization":[12],"(FAR),":[13],"is":[14,37,49,73],"introduced.":[15],"Instead":[16],"of":[17,55,66,70,80,120,164],"computing":[18],"an":[19],"optimal":[20],"matching":[21],"between":[22],"two":[23],"curves":[24,96,105,125],"such":[25],"as":[26],"Dynamic":[27],"Time":[28],"Warping":[29],"(DTW)":[30],"and":[31,152,166],"elastic":[32],"distance-based":[33],"approaches,":[34],"our":[35,112,156],"method":[36],"applied":[38,92],"to":[39,44,77,84,95,103,117],"each":[40],"independently,":[42],"leading":[43],"linear":[45],"computational":[46,167],"complexity.":[47],"It":[48],"based":[50],"on":[51,143],"simple":[53],"replacement":[54],"the":[56,78,87,118,128],"parameter":[58],"by":[59],"variable":[61,72],"invariant":[62],"under":[63],"specific":[64],"variations":[65],"reparametrization.":[67],"The":[68,140],"choice":[69],"heuristically":[74],"made":[75],"according":[76],"application":[79],"interest.":[81],"addition":[83],"being":[85],"fast,":[86],"proposed":[88],"reparametrization":[89],"can":[90],"be":[91],"not":[93],"only":[94],"observed":[97],"in":[98,107,127,162],"Euclidean":[99,132],"spaces":[100],"but":[101],"also":[102],"feature":[104],"living":[106,126],"Riemannian":[108,129],"spaces.":[109],"To":[110],"validate":[111],"approach,":[113],"we":[114],"apply":[115],"it":[116],"scenario":[119],"human":[121,147],"action":[122,148],"recognition":[123,149],"using":[124],"product":[130],"Special":[131],"space":[133],"<inline-formula":[134],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[135],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[136],"notation=\"LaTeX\">$\\mathbb":[137],"{SE}(3)^n$</tex-math></inline-formula>":[138],".":[139],"obtained":[141],"results":[142],"three":[144],"benchmarks":[145],"(MSRAction3D,":[150],"Florence3D,":[151],"UTKinect)":[153],"show":[154],"that":[155],"competes":[158],"with":[159],"state-of-the-art":[160],"methods":[161],"terms":[163],"accuracy":[165],"cost.":[168]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
