{"id":"https://openalex.org/W3003323542","doi":"https://doi.org/10.1109/iros40897.2019.8967635","title":"Learning Multimodal Representations for Sample-efficient Recognition of Human Actions","display_name":"Learning Multimodal Representations for Sample-efficient Recognition of Human Actions","publication_year":2019,"publication_date":"2019-11-01","ids":{"openalex":"https://openalex.org/W3003323542","doi":"https://doi.org/10.1109/iros40897.2019.8967635","mag":"3003323542"},"language":"en","primary_location":{"id":"doi:10.1109/iros40897.2019.8967635","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iros40897.2019.8967635","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)","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/A5063841377","display_name":"Miguel Vasco","orcid":"https://orcid.org/0000-0002-5761-4105"},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]},{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Miguel Vasco","raw_affiliation_strings":["INESC-ID and Instituto Superior Técnico, University of Lisbon,Portugal","INESC-ID and Instituto Superior T\u00e9cnico, University of Lisbon, Portugal"],"affiliations":[{"raw_affiliation_string":"INESC-ID and Instituto Superior Técnico, University of Lisbon,Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"INESC-ID and Instituto Superior T\u00e9cnico, University of Lisbon, Portugal","institution_ids":["https://openalex.org/I121345201","https://openalex.org/I141596103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101616573","display_name":"Francisco S. Melo","orcid":"https://orcid.org/0000-0001-5705-7372"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]},{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Francisco S. Melo","raw_affiliation_strings":["INESC-ID and Instituto Superior Técnico, University of Lisbon,Portugal","INESC-ID and Instituto Superior T\u00e9cnico, University of Lisbon, Portugal"],"affiliations":[{"raw_affiliation_string":"INESC-ID and Instituto Superior Técnico, University of Lisbon,Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"INESC-ID and Instituto Superior T\u00e9cnico, University of Lisbon, Portugal","institution_ids":["https://openalex.org/I121345201","https://openalex.org/I141596103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089103785","display_name":"David Martins de Matos","orcid":"https://orcid.org/0000-0001-8631-2870"},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]},{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"David Martins de Matos","raw_affiliation_strings":["INESC-ID and Instituto Superior Técnico, University of Lisbon,Portugal","INESC-ID and Instituto Superior T\u00e9cnico, University of Lisbon, Portugal"],"affiliations":[{"raw_affiliation_string":"INESC-ID and Instituto Superior Técnico, University of Lisbon,Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"INESC-ID and Instituto Superior T\u00e9cnico, University of Lisbon, Portugal","institution_ids":["https://openalex.org/I121345201","https://openalex.org/I141596103"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077860392","display_name":"Ana Paiva","orcid":"https://orcid.org/0000-0003-3998-5188"},"institutions":[{"id":"https://openalex.org/I141596103","display_name":"University of Lisbon","ror":"https://ror.org/01c27hj86","country_code":"PT","type":"education","lineage":["https://openalex.org/I141596103"]},{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Ana Paiva","raw_affiliation_strings":["INESC-ID and Instituto Superior Técnico, University of Lisbon,Portugal","INESC-ID and Instituto Superior T\u00e9cnico, University of Lisbon, Portugal"],"affiliations":[{"raw_affiliation_string":"INESC-ID and Instituto Superior Técnico, University of Lisbon,Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"INESC-ID and Instituto Superior T\u00e9cnico, University of Lisbon, Portugal","institution_ids":["https://openalex.org/I121345201","https://openalex.org/I141596103"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002322874","display_name":"Tetsunari Inamura","orcid":"https://orcid.org/0000-0002-0028-6438"},"institutions":[{"id":"https://openalex.org/I200475212","display_name":"The Graduate University for Advanced Studies, SOKENDAI","ror":"https://ror.org/0516ah480","country_code":"JP","type":"education","lineage":["https://openalex.org/I200475212"]},{"id":"https://openalex.org/I184597095","display_name":"National Institute of Informatics","ror":"https://ror.org/04ksd4g47","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1319490839","https://openalex.org/I184597095","https://openalex.org/I4210158934"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tetsunari Inamura","raw_affiliation_strings":["National Institute of Informatics,Department of Informatics, SOKENDAI (The Graduate University for Advanced Studies), 2-1-2 Hitotsubashi,Chiyoda-ku,Tokyo,Japan","Department of Informatics, SOKENDAI (The Graduate University for Advanced Studies), 2-1-2 Hitotsubashi, National Institute of Informatics, Chiyoda-ku, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"National Institute of Informatics,Department of Informatics, SOKENDAI (The Graduate University for Advanced Studies), 2-1-2 Hitotsubashi,Chiyoda-ku,Tokyo,Japan","institution_ids":["https://openalex.org/I184597095","https://openalex.org/I200475212"]},{"raw_affiliation_string":"Department of Informatics, SOKENDAI (The Graduate University for Advanced Studies), 2-1-2 Hitotsubashi, National Institute of Informatics, Chiyoda-ku, Tokyo, Japan","institution_ids":["https://openalex.org/I184597095","https://openalex.org/I200475212"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5063841377"],"corresponding_institution_ids":["https://openalex.org/I121345201","https://openalex.org/I141596103"],"apc_list":null,"apc_paid":null,"fwci":0.2024,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.56396454,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"4288","last_page":"4293"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9998000264167786,"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"}},"topics":[{"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9919999837875366,"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"}},{"id":"https://openalex.org/T12205","display_name":"Time Series Analysis and Forecasting","score":0.9758999943733215,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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":0.7885277271270752},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.6869238615036011},{"id":"https://openalex.org/keywords/avatar","display_name":"Avatar","score":0.6652911901473999},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6582207679748535},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.6484926342964172},{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.6417078971862793},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.5798274874687195},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.46209847927093506},{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.46088242530822754},{"id":"https://openalex.org/keywords/probabilistic-logic","display_name":"Probabilistic logic","score":0.4520180821418762},{"id":"https://openalex.org/keywords/multimodal-learning","display_name":"Multimodal learning","score":0.4475041627883911},{"id":"https://openalex.org/keywords/kinematics","display_name":"Kinematics","score":0.43859708309173584},{"id":"https://openalex.org/keywords/sample","display_name":"Sample (material)","score":0.4308314919471741},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.43050646781921387},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.42726579308509827}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7885277271270752},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.6869238615036011},{"id":"https://openalex.org/C2777365542","wikidata":"https://www.wikidata.org/wiki/Q83090","display_name":"Avatar","level":2,"score":0.6652911901473999},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6582207679748535},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6484926342964172},{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.6417078971862793},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.5798274874687195},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.46209847927093506},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.46088242530822754},{"id":"https://openalex.org/C49937458","wikidata":"https://www.wikidata.org/wiki/Q2599292","display_name":"Probabilistic logic","level":2,"score":0.4520180821418762},{"id":"https://openalex.org/C2780660688","wikidata":"https://www.wikidata.org/wiki/Q25052564","display_name":"Multimodal learning","level":2,"score":0.4475041627883911},{"id":"https://openalex.org/C39920418","wikidata":"https://www.wikidata.org/wiki/Q11476","display_name":"Kinematics","level":2,"score":0.43859708309173584},{"id":"https://openalex.org/C198531522","wikidata":"https://www.wikidata.org/wiki/Q485146","display_name":"Sample (material)","level":2,"score":0.4308314919471741},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.43050646781921387},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.42726579308509827},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"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/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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},{"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/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iros40897.2019.8967635","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iros40897.2019.8967635","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2019 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W1489737693","https://openalex.org/W1950788856","https://openalex.org/W1979378996","https://openalex.org/W2038765747","https://openalex.org/W2048821851","https://openalex.org/W2073139398","https://openalex.org/W2101143083","https://openalex.org/W2143267104","https://openalex.org/W2145546283","https://openalex.org/W2156303437","https://openalex.org/W2161872510","https://openalex.org/W2411399751","https://openalex.org/W2494980014","https://openalex.org/W4240592325","https://openalex.org/W4294578573","https://openalex.org/W6640754710","https://openalex.org/W6682864246","https://openalex.org/W6714617434"],"related_works":["https://openalex.org/W3138471234","https://openalex.org/W4247958311","https://openalex.org/W4396832849","https://openalex.org/W2785089443","https://openalex.org/W2265117524","https://openalex.org/W4312431072","https://openalex.org/W1467576422","https://openalex.org/W1975325338","https://openalex.org/W3181401746","https://openalex.org/W2982423860"],"abstract_inverted_index":{"Humans":[0],"interact":[1],"in":[2,36],"rich":[3],"and":[4,61,75],"diverse":[5],"ways":[6],"with":[7,54,97],"the":[8,11,48,51,59,62,66,98],"environment.":[9,39],"However,":[10],"representation":[12,32],"of":[13,33,47,50,100,122],"such":[14],"behavior":[15],"by":[16],"artificial":[17],"agents":[18],"is":[19,90],"often":[20],"limited.":[21],"In":[22],"this":[23],"work":[24],"we":[25],"present":[26],"motion":[27,41,77,107],"concepts,":[28],"a":[29,37,44,70,93,101],"novel":[30,71],"multimodal":[31],"human":[34,102,123],"actions":[35],"household":[38,95],"A":[40],"concept":[42],"encompasses":[43],"probabilistic":[45],"description":[46],"kinematics":[49],"action":[52,80],"along":[53],"its":[55,117],"contextual":[56],"background,":[57],"namely":[58],"location":[60],"objects":[63],"held":[64],"during":[65],"performance.":[67],"We":[68],"introduce":[69],"algorithm":[72,89],"which":[73],"learns":[74],"recognizes":[76],"concepts":[78],"from":[79],"demonstrations,":[81],"named":[82],"Online":[83],"Motion":[84],"Concept":[85],"Learning":[86],"(OMCL).":[87],"The":[88],"evaluated":[91],"on":[92,110],"virtual-reality":[94],"environment":[96],"presence":[99],"avatar.":[103],"OMCL":[104],"outperforms":[105],"standard":[106],"recognition":[108,113,121],"algorithms":[109],"an":[111],"one-shot":[112],"task,":[114],"attesting":[115],"to":[116],"potential":[118],"for":[119],"sample-efficient":[120],"actions.":[124]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}