{"id":"https://openalex.org/W1997527170","doi":"https://doi.org/10.1109/icspcs.2011.6140823","title":"Spatio-temporal motion field descriptors for the hierarchical action recognition system","display_name":"Spatio-temporal motion field descriptors for the hierarchical action recognition system","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W1997527170","doi":"https://doi.org/10.1109/icspcs.2011.6140823","mag":"1997527170"},"language":"en","primary_location":{"id":"doi:10.1109/icspcs.2011.6140823","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icspcs.2011.6140823","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 5th International Conference on Signal Processing and Communication Systems (ICSPCS)","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/A5080124315","display_name":"Ruihan Bao","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Ruihan Bao","raw_affiliation_strings":["Department of Electrical Engineering and Information System, University of Tokyo, Bunkyo, Tokyo, Japan","Department of Electrical Engineering and Information System, The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, 113-8656, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Information System, University of Tokyo, Bunkyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"Department of Electrical Engineering and Information System, The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, 113-8656, Japan","institution_ids":["https://openalex.org/I74801974"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111565792","display_name":"Tadashi Shibata","orcid":null},"institutions":[{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Tadashi Shibata","raw_affiliation_strings":["Department of Electrical Engineering and Information System, University of Tokyo, Bunkyo, Tokyo, Japan","Department of Electrical Engineering and Information System, The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, 113-8656, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering and Information System, University of Tokyo, Bunkyo, Tokyo, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"Department of Electrical Engineering and Information System, The University of Tokyo, 7-3-1 Hongo Bunkyo-ku, 113-8656, Japan","institution_ids":["https://openalex.org/I74801974"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5080124315"],"corresponding_institution_ids":["https://openalex.org/I74801974"],"apc_list":null,"apc_paid":null,"fwci":0.5151,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.66858371,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"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":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":0.9983999729156494,"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":0.998199999332428,"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/artificial-intelligence","display_name":"Artificial intelligence","score":0.7195023894309998},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7065476179122925},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.6655353903770447},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.6129702925682068},{"id":"https://openalex.org/keywords/facial-recognition-system","display_name":"Facial recognition system","score":0.5929087400436401},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.5398494601249695},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.5178563594818115},{"id":"https://openalex.org/keywords/motion-estimation","display_name":"Motion estimation","score":0.5045751333236694},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.48023730516433716},{"id":"https://openalex.org/keywords/similarity-measure","display_name":"Similarity measure","score":0.47411277890205383},{"id":"https://openalex.org/keywords/face","display_name":"Face (sociological concept)","score":0.4659982919692993},{"id":"https://openalex.org/keywords/similarity","display_name":"Similarity (geometry)","score":0.4579322636127472},{"id":"https://openalex.org/keywords/feature-vector","display_name":"Feature vector","score":0.4419916868209839},{"id":"https://openalex.org/keywords/measure","display_name":"Measure (data warehouse)","score":0.44151732325553894},{"id":"https://openalex.org/keywords/feature-extraction","display_name":"Feature extraction","score":0.4299110174179077},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.41862452030181885},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1957809329032898},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.18442270159721375},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.14024099707603455},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.13287201523780823}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7195023894309998},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7065476179122925},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.6655353903770447},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.6129702925682068},{"id":"https://openalex.org/C31510193","wikidata":"https://www.wikidata.org/wiki/Q1192553","display_name":"Facial recognition system","level":3,"score":0.5929087400436401},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5398494601249695},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.5178563594818115},{"id":"https://openalex.org/C10161872","wikidata":"https://www.wikidata.org/wiki/Q557891","display_name":"Motion estimation","level":2,"score":0.5045751333236694},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.48023730516433716},{"id":"https://openalex.org/C2776517306","wikidata":"https://www.wikidata.org/wiki/Q29017317","display_name":"Similarity measure","level":2,"score":0.47411277890205383},{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.4659982919692993},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.4579322636127472},{"id":"https://openalex.org/C83665646","wikidata":"https://www.wikidata.org/wiki/Q42139305","display_name":"Feature vector","level":2,"score":0.4419916868209839},{"id":"https://openalex.org/C2780009758","wikidata":"https://www.wikidata.org/wiki/Q6804172","display_name":"Measure (data warehouse)","level":2,"score":0.44151732325553894},{"id":"https://openalex.org/C52622490","wikidata":"https://www.wikidata.org/wiki/Q1026626","display_name":"Feature extraction","level":2,"score":0.4299110174179077},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.41862452030181885},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1957809329032898},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.18442270159721375},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.14024099707603455},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.13287201523780823},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icspcs.2011.6140823","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icspcs.2011.6140823","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 5th International Conference on Signal Processing and Communication Systems (ICSPCS)","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":19,"referenced_works":["https://openalex.org/W1534763723","https://openalex.org/W1976921278","https://openalex.org/W1993229407","https://openalex.org/W2004586880","https://openalex.org/W2020163092","https://openalex.org/W2024868105","https://openalex.org/W2054137157","https://openalex.org/W2096691069","https://openalex.org/W2101295242","https://openalex.org/W2111990499","https://openalex.org/W2142194269","https://openalex.org/W2146634731","https://openalex.org/W2147354050","https://openalex.org/W2165095705","https://openalex.org/W2533739470","https://openalex.org/W2575050023","https://openalex.org/W3141200356","https://openalex.org/W6664829834","https://openalex.org/W6676775431"],"related_works":["https://openalex.org/W2142439098","https://openalex.org/W1926563137","https://openalex.org/W1997232944","https://openalex.org/W1979545240","https://openalex.org/W4387163326","https://openalex.org/W1892887850","https://openalex.org/W2547445172","https://openalex.org/W3044338123","https://openalex.org/W2733844492","https://openalex.org/W2985118265"],"abstract_inverted_index":{"Spatio-temporal":[0],"motion":[1,18],"field":[2],"descriptors":[3,70],"for":[4],"the":[5,14,34,49,52,81,106],"hierarchical":[6],"action":[7,139],"recognition":[8,140,144],"system":[9,107,135],"have":[10],"been":[11,147],"developed.":[12],"At":[13,33],"lower":[15],"level,":[16,36],"blurred":[17],"fields":[19],"representing":[20],"local":[21],"features":[22],"such":[23,76,112],"as":[24,77,113],"speed":[25],"and":[26,56,115,142],"direction":[27],"are":[28,39,61],"estimated":[29],"from":[30,63],"video":[31,54],"sequences.":[32],"higher":[35],"feature":[37,84],"vectors":[38],"calculated":[40],"by":[41,99],"applying":[42],"a":[43,137],"parallel":[44],"updating":[45],"scheme":[46],"to":[47,79,128],"measure":[48],"similarity":[50],"between":[51],"input":[53],"sequences":[55],"so-called":[57],"template":[58],"patches,":[59],"which":[60],"selected":[62],"learning":[64],"samples.":[65],"Instead":[66],"of":[67,83,91],"traditional":[68],"patch":[69],"that":[71],"applied":[72],"computationally":[73],"expensive":[74],"methods":[75],"PCA":[78],"reduce":[80],"size":[82],"vectors,":[85],"we":[86],"extended":[87],"previous":[88],"hardware-based":[89],"ideas":[90],"Averaged":[92],"Principal-Edge":[93],"Distribution":[94],"(APED)":[95],"in":[96],"face":[97],"detection":[98],"incorporating":[100],"temporal":[101],"information.":[102],"In":[103],"addition,":[104],"since":[105],"only":[108],"employs":[109],"simple":[110],"computations":[111],"summation":[114],"Boolean":[116],"operators,":[117],"it":[118],"can":[119],"be":[120],"implemented":[121],"on":[122,136],"VLSI":[123],"chips":[124],"without":[125],"much":[126],"effort":[127],"achieve":[129],"real-time":[130],"performance.":[131],"We":[132],"tested":[133],"our":[134],"popular":[138],"database":[141],"promising":[143],"performance":[145],"has":[146],"reported.":[148]},"counts_by_year":[{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}