{"id":"https://openalex.org/W752357502","doi":null,"title":"Recognition of human activities and expressions in video sequences using shape context descriptor","display_name":"Recognition of human activities and expressions in video sequences using shape context descriptor","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W752357502","mag":"752357502"},"language":"en","primary_location":{"id":"pmh:oai:repository.rit.edu:theses-4226","doi":null,"is_oa":false,"landing_page_url":"https://repository.rit.edu/theses/3222","pdf_url":null,"source":{"id":"https://openalex.org/S4306402456","display_name":"RIT Scholar Works (Rochester Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I155173764","host_organization_name":"Rochester Institute of Technology","host_organization_lineage":["https://openalex.org/I155173764"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Theses","raw_type":"text"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"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/A5061644114","display_name":"Natasha Kholgade","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I155173764","display_name":"Rochester Institute of Technology","ror":"https://ror.org/00v4yb702","country_code":"US","type":"education","lineage":["https://openalex.org/I155173764"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Natasha Kholgade","raw_affiliation_strings":["Rochester\u00a0Institute\u00a0of\u00a0Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rochester\u00a0Institute\u00a0of\u00a0Technology","institution_ids":["https://openalex.org/I155173764"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5061644114"],"corresponding_institution_ids":["https://openalex.org/I155173764"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.8935999870300293,"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/T10824","display_name":"Image Retrieval and Classification Techniques","score":0.8935999870300293,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.08630000054836273,"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":0.00419999985024333,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/shape-context-descriptor","display_name":"shape context descriptor","score":0.8880000114440918},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"activity recognition","score":0.718999981880188},{"id":"https://openalex.org/keywords/facial-expression-recognition","display_name":"facial expression recognition","score":0.8510000109672546},{"id":"https://openalex.org/keywords/video-sequences","display_name":"video sequences","score":0.8370000123977661},{"id":"https://openalex.org/keywords/3d-shape-descriptors","display_name":"3D shape descriptors","score":0.7080000042915344},{"id":"https://openalex.org/keywords/motion-modeling","display_name":"motion modeling","score":0.46700000762939453},{"id":"https://openalex.org/keywords/object-category-recognition","display_name":"object category recognition","score":0.7039999961853027},{"id":"https://openalex.org/keywords/video-surveillance","display_name":"video surveillance","score":0.7910000085830688}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7234474420547485},{"id":"https://openalex.org/C2779662243","wikidata":"https://www.wikidata.org/wiki/Q970395","display_name":"Shape context","level":3,"score":0.7018370032310486},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6782732605934143},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.6640141010284424},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.6467236876487732},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6192345023155212},{"id":"https://openalex.org/C129641003","wikidata":"https://www.wikidata.org/wiki/Q267189","display_name":"Active shape model","level":3,"score":0.5661850571632385},{"id":"https://openalex.org/C64876066","wikidata":"https://www.wikidata.org/wiki/Q5141226","display_name":"Cognitive neuroscience of visual object recognition","level":3,"score":0.5070157051086426},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.46041327714920044},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.4581098258495331},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4507753849029541},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.4232969284057617},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.41105708479881287},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22537332773208618},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.14453163743019104},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.11071774363517761},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.10106706619262695},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"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/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:repository.rit.edu:theses-4226","doi":null,"is_oa":false,"landing_page_url":"https://repository.rit.edu/theses/3222","pdf_url":null,"source":{"id":"https://openalex.org/S4306402456","display_name":"RIT Scholar Works (Rochester Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I155173764","host_organization_name":"Rochester Institute of Technology","host_organization_lineage":["https://openalex.org/I155173764"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Theses","raw_type":"text"},{"id":"pmh:oai:scholarworks.rit.edu:theses-4226","doi":null,"is_oa":false,"landing_page_url":"https://repository.rit.edu/cgi/viewcontent.cgi?article=4226&context=theses","pdf_url":null,"source":{"id":"https://openalex.org/S4306402456","display_name":"RIT Scholar Works (Rochester Institute of Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I155173764","host_organization_name":"Rochester Institute of Technology","host_organization_lineage":["https://openalex.org/I155173764"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Theses","raw_type":"text"},{"id":"mag:752357502","doi":null,"is_oa":false,"landing_page_url":"https://scholarworks.rit.edu/cgi/viewcontent.cgi?article=4226&context=theses","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":82,"referenced_works":["https://openalex.org/W52592340","https://openalex.org/W1483460624","https://openalex.org/W1556583247","https://openalex.org/W1588539311","https://openalex.org/W1594334724","https://openalex.org/W1801325705","https://openalex.org/W1838527760","https://openalex.org/W1855115939","https://openalex.org/W1949116567","https://openalex.org/W1988790447","https://openalex.org/W2008966223","https://openalex.org/W2010399676","https://openalex.org/W2014843742","https://openalex.org/W2032650433","https://openalex.org/W2038952578","https://openalex.org/W2046079134","https://openalex.org/W2049997613","https://openalex.org/W2057175746","https://openalex.org/W2062292098","https://openalex.org/W2065564506","https://openalex.org/W2069063225","https://openalex.org/W2074068203","https://openalex.org/W2077002139","https://openalex.org/W2090341258","https://openalex.org/W2096691069","https://openalex.org/W2098044144","https://openalex.org/W2098693229","https://openalex.org/W2102283219","https://openalex.org/W2102544846","https://openalex.org/W2104407509","https://openalex.org/W2105154022","https://openalex.org/W2108342948","https://openalex.org/W2108444897","https://openalex.org/W2108705549","https://openalex.org/W2111308925","https://openalex.org/W2112504244","https://openalex.org/W2112547580","https://openalex.org/W2115675863","https://openalex.org/W2116494851","https://openalex.org/W2117642854","https://openalex.org/W2118877769","https://openalex.org/W2119024906","https://openalex.org/W2119347025","https://openalex.org/W2121274305","https://openalex.org/W2124386111","https://openalex.org/W2124901121","https://openalex.org/W2125127226","https://openalex.org/W2125838338","https://openalex.org/W2126565853","https://openalex.org/W2128958079","https://openalex.org/W2130130195","https://openalex.org/W2132946701","https://openalex.org/W2133052125","https://openalex.org/W2133913275","https://openalex.org/W2135188079","https://openalex.org/W2135539681","https://openalex.org/W2140086346","https://openalex.org/W2145012698","https://openalex.org/W2145023731","https://openalex.org/W2146634731","https://openalex.org/W2146932984","https://openalex.org/W2147000446","https://openalex.org/W2147475086","https://openalex.org/W2152239535","https://openalex.org/W2152826865","https://openalex.org/W2155268664","https://openalex.org/W2157691049","https://openalex.org/W2157770256","https://openalex.org/W2158866619","https://openalex.org/W2159397539","https://openalex.org/W2159418514","https://openalex.org/W2159498231","https://openalex.org/W2161108669","https://openalex.org/W2161192203","https://openalex.org/W2164598857","https://openalex.org/W2165095705","https://openalex.org/W2165715280","https://openalex.org/W2222512263","https://openalex.org/W2256757064","https://openalex.org/W2533739470","https://openalex.org/W2751023760","https://openalex.org/W2767557971"],"related_works":["https://openalex.org/W1550094277","https://openalex.org/W2112780892","https://openalex.org/W2028014361","https://openalex.org/W2008966223","https://openalex.org/W2590764623","https://openalex.org/W2010399676","https://openalex.org/W2054303459","https://openalex.org/W4409466443","https://openalex.org/W2008454945","https://openalex.org/W2786044405"],"abstract_inverted_index":{"The":[0,102],"recognition":[1,42,62,85,227],"of":[2,6,9,14,31,43,61,72,86,113,121,126,137,169,206,208,228],"objects":[3,7],"and":[4,29,33,88,157,187,210,233],"classes":[5,45,229],"is":[8,46,54,105,140,218],"importance":[10],"in":[11,21,50,63,90,123,151,201,230],"the":[12,39,59,69,73,84,98,111,118,124,127,134,167,172,177,196,214,221,231],"field":[13],"computer":[15],"vision":[16],"due":[17],"to":[18,57,65,160],"its":[19,143,147],"applicability":[20],"areas":[22],"such":[23],"as":[24],"video":[25,91,153],"surveillance,":[26],"medical":[27],"imaging":[28],"retrieval":[30],"images":[32],"videos":[34],"from":[35,176],"large":[36],"databases":[37],"on":[38],"Internet.":[40],"Effective":[41],"object":[44,115,139],"still":[47],"a":[48,94,106,152,162],"challenge":[49],"vision;":[51],"hence,":[52],"there":[53],"much":[55],"interest":[56],"improve":[58],"rate":[60],"order":[64],"keep":[66],"up":[67],"with":[68],"rising":[70],"demands":[71],"fields":[74],"where":[75],"these":[76],"techniques":[77],"are":[78],"being":[79],"applied.":[80],"This":[81,182],"thesis":[82,183],"investigates":[83],"activities":[87],"expressions":[89,158,211],"sequences":[92],"using":[93],"new":[95,185],"descriptor":[96],"called":[97],"spatiotemporal":[99,189,215],"shape":[100,103,112,144,173,178,190,198,216,223],"context.":[101],"context":[104,179,191,199,217,224],"well-known":[107],"algorithm":[108],"that":[109,165,193,213],"describes":[110],"an":[114,138],"based":[116,174],"upon":[117],"mutual":[119],"distribution":[120],"points":[122],"contour":[125],"object;":[128],"however,":[129],"it":[130],"falls":[131],"short":[132],"when":[133],"distinctive":[135],"property":[136],"not":[141],"just":[142],"but":[145],"also":[146],"movement":[148],"across":[149,203],"frames":[150],"sequence.":[154],"Since":[155],"actions":[156,209],"tend":[159],"have":[161],"motion":[163,202],"component":[164],"enhances":[166],"capability":[168],"distinguishing":[170],"them,":[171],"information":[175],"proves":[180],"insufficient.":[181],"proposes":[184],"3D":[186],"4D":[188],"descriptors":[192],"incorporate":[194],"into":[195],"original":[197,222],"changes":[200],"frames.":[204],"Results":[205],"classification":[207],"demonstrate":[212],"better":[219],"than":[220],"at":[225],"enhancing":[226],"activity":[232],"expression":[234],"domains.":[235]},"counts_by_year":[],"updated_date":"2026-09-11T09:22:31.653822","created_date":"2016-06-24T00:00:00"}