{"id":"https://openalex.org/W2052801271","doi":"https://doi.org/10.1155/2009/738702","title":"Viewpoint Manifolds for Action Recognition","display_name":"Viewpoint Manifolds for Action Recognition","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2052801271","doi":"https://doi.org/10.1155/2009/738702","mag":"2052801271"},"language":"en","primary_location":{"id":"doi:10.1155/2009/738702","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2009/738702","pdf_url":null,"source":{"id":"https://openalex.org/S153767265","display_name":"EURASIP Journal on Image and Video Processing","issn_l":"1687-5176","issn":["1687-5176","1687-5281"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Image and Video Processing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1155/2009/738702","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5057374067","display_name":"Richard Souvenir","orcid":"https://orcid.org/0000-0002-6066-0946"},"institutions":[{"id":"https://openalex.org/I102149020","display_name":"University of North Carolina at Charlotte","ror":"https://ror.org/04dawnj30","country_code":"US","type":"education","lineage":["https://openalex.org/I102149020"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Richard Souvenir","raw_affiliation_strings":["[Department of Computer Science, University of North Carolina at Charlotte, Charlotte, NC]"],"affiliations":[{"raw_affiliation_string":"[Department of Computer Science, University of North Carolina at Charlotte, Charlotte, NC]","institution_ids":["https://openalex.org/I102149020"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034911173","display_name":"Kyle Parrigan","orcid":null},"institutions":[{"id":"https://openalex.org/I102149020","display_name":"University of North Carolina at Charlotte","ror":"https://ror.org/04dawnj30","country_code":"US","type":"education","lineage":["https://openalex.org/I102149020"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kyle Parrigan","raw_affiliation_strings":["[Department of Computer Science, University of North Carolina at Charlotte, Charlotte, NC]"],"affiliations":[{"raw_affiliation_string":"[Department of Computer Science, University of North Carolina at Charlotte, Charlotte, NC]","institution_ids":["https://openalex.org/I102149020"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5057374067"],"corresponding_institution_ids":["https://openalex.org/I102149020"],"apc_list":{"value":1140,"currency":"GBP","value_usd":1398},"apc_paid":{"value":1140,"currency":"GBP","value_usd":1398},"fwci":5.2408,"has_fulltext":false,"cited_by_count":32,"citation_normalized_percentile":{"value":0.95865255,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"2009","issue":null,"first_page":"1","last_page":"13"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":1.0,"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":1.0,"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":0.9990000128746033,"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/T12740","display_name":"Gait Recognition and Analysis","score":0.9983000159263611,"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/viewpoints","display_name":"Viewpoints","score":0.7759493589401245},{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.7698639631271362},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7286950945854187},{"id":"https://openalex.org/keywords/biometrics","display_name":"Biometrics","score":0.7094759941101074},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6788221597671509},{"id":"https://openalex.org/keywords/invariant","display_name":"Invariant (physics)","score":0.670569896697998},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.6496562957763672},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.5914570689201355},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5561962127685547},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.4593179225921631},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4584294557571411},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3602946996688843},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19482263922691345}],"concepts":[{"id":"https://openalex.org/C2776035091","wikidata":"https://www.wikidata.org/wiki/Q7928819","display_name":"Viewpoints","level":2,"score":0.7759493589401245},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.7698639631271362},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7286950945854187},{"id":"https://openalex.org/C184297639","wikidata":"https://www.wikidata.org/wiki/Q177765","display_name":"Biometrics","level":2,"score":0.7094759941101074},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6788221597671509},{"id":"https://openalex.org/C190470478","wikidata":"https://www.wikidata.org/wiki/Q2370229","display_name":"Invariant (physics)","level":2,"score":0.670569896697998},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.6496562957763672},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.5914570689201355},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5561962127685547},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.4593179225921631},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4584294557571411},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3602946996688843},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19482263922691345},{"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/C153349607","wikidata":"https://www.wikidata.org/wiki/Q36649","display_name":"Visual arts","level":1,"score":0.0},{"id":"https://openalex.org/C37914503","wikidata":"https://www.wikidata.org/wiki/Q156495","display_name":"Mathematical physics","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/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"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/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"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/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/2009/738702","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2009/738702","pdf_url":null,"source":{"id":"https://openalex.org/S153767265","display_name":"EURASIP Journal on Image and Video Processing","issn_l":"1687-5176","issn":["1687-5176","1687-5281"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Image and Video Processing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:68dc79f913614a37b628a34348c723fa","is_oa":true,"landing_page_url":"https://doaj.org/article/68dc79f913614a37b628a34348c723fa","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EURASIP Journal on Image and Video Processing, Vol 2009, Iss 1, p 738702 (2009)","raw_type":"article"},{"id":"pmh:oai:doaj.org/article:effed4b380b64102ae75ee3e6fb2de78","is_oa":true,"landing_page_url":"https://doaj.org/article/effed4b380b64102ae75ee3e6fb2de78","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"EURASIP Journal on Image and Video Processing, Vol 2009 (2009)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2009/738702","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2009/738702","pdf_url":null,"source":{"id":"https://openalex.org/S153767265","display_name":"EURASIP Journal on Image and Video Processing","issn_l":"1687-5176","issn":["1687-5176","1687-5281"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Image and Video Processing","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.4399999976158142,"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1548802052","https://openalex.org/W1583296746","https://openalex.org/W2001141328","https://openalex.org/W2013076218","https://openalex.org/W2029978744","https://openalex.org/W2032659326","https://openalex.org/W2053186076","https://openalex.org/W2065278473","https://openalex.org/W2094072727","https://openalex.org/W2097905551","https://openalex.org/W2107011987","https://openalex.org/W2110463399","https://openalex.org/W2117973875","https://openalex.org/W2121208067","https://openalex.org/W2124135575","https://openalex.org/W2125101937","https://openalex.org/W2134331998","https://openalex.org/W2134602990","https://openalex.org/W2144761589","https://openalex.org/W2148694408","https://openalex.org/W2150627493","https://openalex.org/W2154346517","https://openalex.org/W2155351433","https://openalex.org/W2156135524","https://openalex.org/W2158878123","https://openalex.org/W2159456853","https://openalex.org/W2160675703","https://openalex.org/W2165199619","https://openalex.org/W2165715280"],"related_works":["https://openalex.org/W2385368906","https://openalex.org/W2902924992","https://openalex.org/W2626642044","https://openalex.org/W2619807045","https://openalex.org/W2388758053","https://openalex.org/W93537448","https://openalex.org/W2949734191","https://openalex.org/W2017333877","https://openalex.org/W2048332520","https://openalex.org/W2295006769"],"abstract_inverted_index":{"Abstract":[0],"Action":[1],"recognition":[2,36,55,102,122],"from":[3,65,95],"video":[4,93],"is":[5],"a":[6,62,73,77,96,125],"problem":[7],"that":[8,88],"has":[9],"many":[10,59],"important":[11],"applications":[12],"to":[13,30,118],"human":[14],"motion":[15],"analysis.":[16],"In":[17,68],"real-world":[18],"settings,":[19],"the":[20,23,31,48,111],"viewpoint":[21,104],"of":[22,53,61,80,114],"camera":[24,98],"cannot":[25],"always":[26],"be":[27,90],"fixed":[28],"relative":[29,117],"subject,":[32],"so":[33],"view-invariant":[34,41],"action":[35,54,64,101],"methods":[37,42],"are":[38],"needed.":[39],"Previous":[40],"use":[43],"multiple":[44,66,133],"cameras":[45],"in":[46],"both":[47],"training":[49],"and":[50,103],"testing":[51],"phases":[52],"or":[56],"require":[57],"storing":[58],"examples":[60],"single":[63,97],"viewpoints.":[67],"this":[69],"paper,":[70],"we":[71,120],"present":[72],"framework":[74],"for":[75,92,99],"learning":[76],"compact":[78],"representation":[79],"primitive":[81],"actions":[82,116],"(e.g.,":[83],"walk,":[84],"punch,":[85],"kick,":[86],"sit)":[87],"can":[89],"used":[91],"obtained":[94],"simultaneous":[100,134],"estimation.":[105],"Using":[106],"our":[107],"method,":[108],"which":[109],"models":[110],"low-dimensional":[112],"structure":[113],"these":[115],"viewpoint,":[119],"show":[121],"rates":[123],"on":[124],"publicly":[126],"available":[127],"dataset":[128],"previously":[129],"only":[130],"achieved":[131],"using":[132],"views.":[135]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":4}],"updated_date":"2026-03-17T09:09:15.849793","created_date":"2025-10-10T00:00:00"}