{"id":"https://openalex.org/W2080698951","doi":"https://doi.org/10.1109/icme.2014.6890317","title":"Sub-sampled dictionaries for coarse-to-fine sparse representation-based human action recognition","display_name":"Sub-sampled dictionaries for coarse-to-fine sparse representation-based human action recognition","publication_year":2014,"publication_date":"2014-07-01","ids":{"openalex":"https://openalex.org/W2080698951","doi":"https://doi.org/10.1109/icme.2014.6890317","mag":"2080698951"},"language":"en","primary_location":{"id":"doi:10.1109/icme.2014.6890317","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme.2014.6890317","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Multimedia and Expo (ICME)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://biblio.ugent.be/publication/8133203/file/8134112.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100423380","display_name":"Jongho Lee","orcid":"https://orcid.org/0000-0003-0398-4220"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]},{"id":"https://openalex.org/I2801036362","display_name":"Agency for Defense Development","ror":"https://ror.org/05fhe0r85","country_code":"KR","type":"government","lineage":["https://openalex.org/I1327899338","https://openalex.org/I1344042128","https://openalex.org/I2801036362","https://openalex.org/I2801339556"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"JongHo Lee","raw_affiliation_strings":["Agency for Defense Development (ADD), Republic of Korea","Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Agency for Defense Development (ADD), Republic of Korea","institution_ids":["https://openalex.org/I2801036362"]},{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078073506","display_name":"Hyun\u2010Seok Min","orcid":"https://orcid.org/0000-0002-7435-7884"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyun-seok Min","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046505461","display_name":"Jeong-Jik Seo","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jeong-jik Seo","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029555436","display_name":"Wesley De Neve","orcid":"https://orcid.org/0000-0002-8190-3839"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]},{"id":"https://openalex.org/I39327780","display_name":"iMinds","ror":"https://ror.org/03baec336","country_code":"BE","type":"nonprofit","lineage":["https://openalex.org/I39327780"]},{"id":"https://openalex.org/I32597200","display_name":"Ghent University","ror":"https://ror.org/00cv9y106","country_code":"BE","type":"education","lineage":["https://openalex.org/I32597200"]}],"countries":["BE","KR"],"is_corresponding":false,"raw_author_name":"Wesley De Neve","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","Multimedia Lab, Ghent University-iMinds, Belgium"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]},{"raw_affiliation_string":"Multimedia Lab, Ghent University-iMinds, Belgium","institution_ids":["https://openalex.org/I39327780","https://openalex.org/I32597200"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038798134","display_name":"Yong Man Ro","orcid":"https://orcid.org/0000-0001-5306-6853"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yong Man Ro","raw_affiliation_strings":["Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Image and Video Systems Lab, Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea","institution_ids":["https://openalex.org/I157485424"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100423380"],"corresponding_institution_ids":["https://openalex.org/I157485424","https://openalex.org/I2801036362"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.14070059,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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/T11398","display_name":"Hand Gesture Recognition Systems","score":0.9994999766349792,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9965999722480774,"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":0.8454408049583435},{"id":"https://openalex.org/keywords/action-recognition","display_name":"Action recognition","score":0.7513068914413452},{"id":"https://openalex.org/keywords/sparse-approximation","display_name":"Sparse approximation","score":0.6660219430923462},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.6493606567382812},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6475063562393188},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.6240832209587097},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.48588842153549194},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4810529053211212},{"id":"https://openalex.org/keywords/cognitive-neuroscience-of-visual-object-recognition","display_name":"Cognitive neuroscience of visual object recognition","score":0.4774385094642639},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.4613277018070221},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.09988284111022949}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8454408049583435},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.7513068914413452},{"id":"https://openalex.org/C124066611","wikidata":"https://www.wikidata.org/wiki/Q28684319","display_name":"Sparse approximation","level":2,"score":0.6660219430923462},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6493606567382812},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6475063562393188},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.6240832209587097},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.48588842153549194},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4810529053211212},{"id":"https://openalex.org/C64876066","wikidata":"https://www.wikidata.org/wiki/Q5141226","display_name":"Cognitive neuroscience of visual object recognition","level":3,"score":0.4774385094642639},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4613277018070221},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.09988284111022949},{"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icme.2014.6890317","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme.2014.6890317","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Multimedia and Expo (ICME)","raw_type":"proceedings-article"},{"id":"pmh:oai:archive.ugent.be:8133203","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-8133203","pdf_url":"https://biblio.ugent.be/publication/8133203/file/8134112.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"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":"ISBN: 978-1-4799-4761-4","raw_type":"info:eu-repo/semantics/publishedVersion"}],"best_oa_location":{"id":"pmh:oai:archive.ugent.be:8133203","is_oa":true,"landing_page_url":"http://hdl.handle.net/1854/LU-8133203","pdf_url":"https://biblio.ugent.be/publication/8133203/file/8134112.pdf","source":{"id":"https://openalex.org/S4306400478","display_name":"Ghent University Academic Bibliography (Ghent University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I32597200","host_organization_name":"Ghent University","host_organization_lineage":["https://openalex.org/I32597200"],"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":"ISBN: 978-1-4799-4761-4","raw_type":"info:eu-repo/semantics/publishedVersion"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322120","display_name":"National Research Foundation of Korea","ror":"https://ror.org/013aysd81"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2080698951.pdf"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W1534763723","https://openalex.org/W1973406954","https://openalex.org/W1981781955","https://openalex.org/W1983705368","https://openalex.org/W1986736933","https://openalex.org/W1993229407","https://openalex.org/W2012027675","https://openalex.org/W2021302824","https://openalex.org/W2034899024","https://openalex.org/W2056380775","https://openalex.org/W2069959554","https://openalex.org/W2113020519","https://openalex.org/W2123737232","https://openalex.org/W2129812935","https://openalex.org/W2136235822","https://openalex.org/W2140235142","https://openalex.org/W2140856208","https://openalex.org/W2146047955","https://openalex.org/W2151103935","https://openalex.org/W2160547390","https://openalex.org/W2161969291","https://openalex.org/W2164026645","https://openalex.org/W2171534739","https://openalex.org/W6632082525","https://openalex.org/W6667887326","https://openalex.org/W6678557583","https://openalex.org/W6681521150"],"related_works":["https://openalex.org/W1834370135","https://openalex.org/W2114275278","https://openalex.org/W2769899322","https://openalex.org/W1489511283","https://openalex.org/W2026565050","https://openalex.org/W2974914859","https://openalex.org/W2110244802","https://openalex.org/W949345935","https://openalex.org/W2060811007","https://openalex.org/W2507540959"],"abstract_inverted_index":{"Automatic":[0],"human":[1,21,37,86,98,130],"action":[2,38,87,99,131],"recognition":[3,138],"is":[4,125],"a":[5,82,94],"core":[6],"functionality":[7],"of":[8,20,27,67,85],"systems":[9],"for":[10,78,97,116],"video":[11,29],"surveillance":[12],"and":[13,23,81],"human-object":[14],"interaction.":[15],"However,":[16,54],"the":[17,24,42,64,68,117,122],"diverse":[18],"nature":[19,26],"actions":[22],"noisy":[25],"most":[28],"content":[30],"make":[31],"it":[32],"difficult":[33],"to":[34,60,127],"achieve":[35,128],"effective":[36],"recognition.":[39],"To":[40],"overcome":[41],"aforementioned":[43],"problems,":[44],"Sparse":[45],"Representation":[46],"(SR)":[47],"has":[48],"recently":[49],"attracted":[50],"substantial":[51,135],"research":[52],"attention.":[53],"although":[55],"SR-based":[56],"approaches":[57],"have":[58,106],"proven":[59],"be":[61],"reasonably":[62],"effective,":[63],"computational":[65],"complexity":[66],"testing":[69],"stage":[70],"prohibits":[71],"their":[72],"usage":[73],"by":[74],"applications":[75],"requiring":[76],"support":[77],"real-time":[79],"operation":[80],"vast":[83],"number":[84],"classes.":[88],"In":[89],"this":[90],"paper,":[91],"we":[92],"propose":[93],"novel":[95],"method":[96,124],"recognition,":[100,132],"leveraging":[101],"coarse-to-fine":[102],"sparse":[103],"representations":[104],"that":[105,121],"been":[107],"obtained":[108,115],"through":[109],"dictionary":[110],"sub-sampling.":[111],"Comparative":[112],"experimental":[113],"results":[114],"UCF50":[118],"dataset":[119],"demonstrate":[120],"proposed":[123],"able":[126],"efficient":[129],"at":[133],"no":[134],"loss":[136],"in":[137],"accuracy.":[139]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}