{"id":"https://openalex.org/W2097947185","doi":"https://doi.org/10.1109/tmm.2011.2128301","title":"Fast Action Detection via Discriminative Random Forest Voting and Top-K Subvolume Search","display_name":"Fast Action Detection via Discriminative Random Forest Voting and Top-K Subvolume Search","publication_year":2011,"publication_date":"2011-03-15","ids":{"openalex":"https://openalex.org/W2097947185","doi":"https://doi.org/10.1109/tmm.2011.2128301","mag":"2097947185"},"language":"en","primary_location":{"id":"doi:10.1109/tmm.2011.2128301","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2011.2128301","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"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 Transactions on Multimedia","raw_type":"journal-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/A5003400275","display_name":"Gang Yu","orcid":"https://orcid.org/0000-0001-5570-2710"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Gang Yu","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","Sch. of Electr. & Electron. En gineering, Nanyang Technol. Univ., Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Sch. of Electr. & Electron. En gineering, Nanyang Technol. Univ., Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021836586","display_name":"Norberto A. Goussies","orcid":null},"institutions":[{"id":"https://openalex.org/I24354313","display_name":"University of Buenos Aires","ror":"https://ror.org/0081fs513","country_code":"AR","type":"education","lineage":["https://openalex.org/I24354313"]}],"countries":["AR"],"is_corresponding":false,"raw_author_name":"N A Goussies","raw_affiliation_strings":["Universidad de Buenos Aires, Buenos Aires, Argentina","Univ. de Buenos Aires, Buenos Aires, Argentina"],"affiliations":[{"raw_affiliation_string":"Universidad de Buenos Aires, Buenos Aires, Argentina","institution_ids":["https://openalex.org/I24354313"]},{"raw_affiliation_string":"Univ. de Buenos Aires, Buenos Aires, Argentina","institution_ids":["https://openalex.org/I24354313"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085245110","display_name":"Junsong Yuan","orcid":"https://orcid.org/0000-0002-7901-8793"},"institutions":[{"id":"https://openalex.org/I172675005","display_name":"Nanyang Technological University","ror":"https://ror.org/02e7b5302","country_code":"SG","type":"education","lineage":["https://openalex.org/I172675005"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Junsong Yuan","raw_affiliation_strings":["School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","Sch. of Electr. & Electron. En gineering, Nanyang Technol. Univ., Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore","institution_ids":["https://openalex.org/I172675005"]},{"raw_affiliation_string":"Sch. of Electr. & Electron. En gineering, Nanyang Technol. Univ., Singapore, Singapore","institution_ids":["https://openalex.org/I172675005"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101728117","display_name":"Zicheng Liu","orcid":"https://orcid.org/0000-0001-5894-7828"},"institutions":[{"id":"https://openalex.org/I1290206253","display_name":"Microsoft (United States)","ror":"https://ror.org/00d0nc645","country_code":"US","type":"company","lineage":["https://openalex.org/I1290206253"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zicheng Liu","raw_affiliation_strings":["Microsoft Research Redmond, WA, USA","Microsoft Res. Redmond, Redmond, WA, USA"],"affiliations":[{"raw_affiliation_string":"Microsoft Research Redmond, WA, USA","institution_ids":["https://openalex.org/I1290206253"]},{"raw_affiliation_string":"Microsoft Res. Redmond, Redmond, WA, USA","institution_ids":["https://openalex.org/I1290206253"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5003400275"],"corresponding_institution_ids":["https://openalex.org/I172675005"],"apc_list":null,"apc_paid":null,"fwci":6.439,"has_fulltext":false,"cited_by_count":70,"citation_normalized_percentile":{"value":0.97341423,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"13","issue":"3","first_page":"507","last_page":"517"},"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9976999759674072,"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":0.9965999722480774,"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/discriminative-model","display_name":"Discriminative model","score":0.8649340271949768},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7978988885879517},{"id":"https://openalex.org/keywords/random-forest","display_name":"Random forest","score":0.6152727603912354},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5762781500816345},{"id":"https://openalex.org/keywords/action","display_name":"Action (physics)","score":0.5702252388000488},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.5176870822906494},{"id":"https://openalex.org/keywords/class","display_name":"Class (philosophy)","score":0.49158963561058044},{"id":"https://openalex.org/keywords/voting","display_name":"Voting","score":0.4129073917865753},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3433200418949127}],"concepts":[{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.8649340271949768},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7978988885879517},{"id":"https://openalex.org/C169258074","wikidata":"https://www.wikidata.org/wiki/Q245748","display_name":"Random forest","level":2,"score":0.6152727603912354},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5762781500816345},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.5702252388000488},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.5176870822906494},{"id":"https://openalex.org/C2777212361","wikidata":"https://www.wikidata.org/wiki/Q5127848","display_name":"Class (philosophy)","level":2,"score":0.49158963561058044},{"id":"https://openalex.org/C520049643","wikidata":"https://www.wikidata.org/wiki/Q189760","display_name":"Voting","level":3,"score":0.4129073917865753},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3433200418949127},{"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/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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tmm.2011.2128301","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tmm.2011.2128301","pdf_url":null,"source":{"id":"https://openalex.org/S137030581","display_name":"IEEE Transactions on Multimedia","issn_l":"1520-9210","issn":["1520-9210","1941-0077"],"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 Transactions on Multimedia","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.7599999904632568}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":64,"referenced_works":["https://openalex.org/W1498368596","https://openalex.org/W1855229140","https://openalex.org/W1967336115","https://openalex.org/W1975723154","https://openalex.org/W1979606776","https://openalex.org/W1993229407","https://openalex.org/W2003543060","https://openalex.org/W2004695321","https://openalex.org/W2013076218","https://openalex.org/W2020163092","https://openalex.org/W2027081450","https://openalex.org/W2034328688","https://openalex.org/W2041941194","https://openalex.org/W2052487339","https://openalex.org/W2099501835","https://openalex.org/W2100916003","https://openalex.org/W2101194540","https://openalex.org/W2106874006","https://openalex.org/W2116343116","https://openalex.org/W2122319321","https://openalex.org/W2123477621","https://openalex.org/W2129496455","https://openalex.org/W2129524746","https://openalex.org/W2131296063","https://openalex.org/W2134988438","https://openalex.org/W2135285079","https://openalex.org/W2135931458","https://openalex.org/W2137981002","https://openalex.org/W2140612384","https://openalex.org/W2141494606","https://openalex.org/W2142194269","https://openalex.org/W2146081172","https://openalex.org/W2146776177","https://openalex.org/W2148596671","https://openalex.org/W2154346517","https://openalex.org/W2157200118","https://openalex.org/W2161612652","https://openalex.org/W2161712691","https://openalex.org/W2162451865","https://openalex.org/W2165715280","https://openalex.org/W2166294429","https://openalex.org/W2405454077","https://openalex.org/W2538333829","https://openalex.org/W2539525772","https://openalex.org/W2543747381","https://openalex.org/W2547599103","https://openalex.org/W2768673595","https://openalex.org/W2911964244","https://openalex.org/W4232262564","https://openalex.org/W4241144802","https://openalex.org/W4249279051","https://openalex.org/W6630009274","https://openalex.org/W6648464962","https://openalex.org/W6677178697","https://openalex.org/W6678102515","https://openalex.org/W6678139272","https://openalex.org/W6679460224","https://openalex.org/W6680050993","https://openalex.org/W6680757402","https://openalex.org/W6683492740","https://openalex.org/W6684055367","https://openalex.org/W6728706464","https://openalex.org/W6729126614","https://openalex.org/W6729213900"],"related_works":["https://openalex.org/W2965546495","https://openalex.org/W4389116644","https://openalex.org/W2153315159","https://openalex.org/W3103844505","https://openalex.org/W259157601","https://openalex.org/W4205463238","https://openalex.org/W2110523656","https://openalex.org/W1482209366","https://openalex.org/W2521627374","https://openalex.org/W2981954115"],"abstract_inverted_index":{"Multiclass":[0],"action":[1,29,58,86,129],"detection":[2,130,133],"in":[3,19,88],"complex":[4],"scenes":[5],"is":[6,63,81,135],"a":[7,33,36,75,89,100,116],"challenging":[8,117],"problem":[9],"because":[10],"of":[11,22,38,50,92,125,138],"cluttered":[12],"backgrounds":[13],"and":[14,27,42,74],"the":[15,51,97,123],"large":[16],"intra-class":[17],"variations":[18],"each":[20,57],"type":[21],"actions.":[23],"To":[24],"achieve":[25],"efficient":[26,112],"robust":[28],"detection,":[30],"we":[31],"characterize":[32],"video":[34,48],"as":[35],"collection":[37],"spatio-temporal":[39,47],"interest":[40,72],"points,":[41,73],"locate":[43],"actions":[44],"via":[45],"finding":[46],"subvolumes":[49],"highest":[52],"mutual":[53],"information":[54],"score":[55,108],"towards":[56],"class.":[59],"A":[60],"random":[61],"forest":[62],"constructed":[64],"to":[65,83],"efficiently":[66],"generate":[67],"discriminative":[68],"votes":[69],"from":[70],"individual":[71],"fast":[76],"top-K":[77,101],"subvolume":[78],"search":[79,102],"algorithm":[80],"developed":[82],"find":[84],"all":[85],"instances":[87],"single":[90],"round":[91],"search.":[93],"Without":[94],"significantly":[95],"degrading":[96],"performance,":[98],"such":[99],"can":[103],"be":[104],"performed":[105],"on":[106,115],"down-sampled":[107],"volumes":[109],"for":[110],"more":[111],"localization.":[113],"Experiments":[114],"MSR":[118],"Action":[119],"Dataset":[120],"II":[121],"validate":[122],"effectiveness":[124],"our":[126],"proposed":[127],"multiclass":[128],"method.":[131],"The":[132],"speed":[134],"several":[136],"orders":[137],"magnitude":[139],"faster":[140],"than":[141],"existing":[142],"methods.":[143]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":11},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}