{"id":"https://openalex.org/W7098739718","doi":null,"title":"Understanding Egocentric Activities","display_name":"Understanding Egocentric Activities","publication_year":2012,"publication_date":"2012-05-19","ids":{"openalex":"https://openalex.org/W7098739718"},"language":"en","primary_location":{"id":"pmh:oai:CiteSeerX.psu:10.1.1.227.8214","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.227.8214","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cc.gatech.edu/%7Eafathi3/publication/ICCV11.pdf","raw_type":"text"},"volume":null,"type":"article","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":null,"display_name":"Spoon Hand","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Spoon Hand","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Hand D","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hand D","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Alireza Fathi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Alireza Fathi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":null,"display_name":"Ali Farhadi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ali Farhadi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":null,"display_name":"James M. Rehg","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"James M. Rehg","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.56101826,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.861299991607666,"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/T10444","display_name":"Context-Aware Activity Recognition Systems","score":0.861299991607666,"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":0.1298999935388565,"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":0.0035000001080334187,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/egocentric-video","display_name":"egocentric video","score":0.921999990940094},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"activity recognition","score":0.800000011920929},{"id":"https://openalex.org/keywords/daily-activities","display_name":"daily activities","score":0.9279999732971191},{"id":"https://openalex.org/keywords/meal-preparation","display_name":"meal preparation","score":0.9779999852180481},{"id":"https://openalex.org/keywords/hand-detection","display_name":"hand detection","score":0.5149999856948853},{"id":"https://openalex.org/keywords/object-detection","display_name":"object detection","score":0.8999999761581421},{"id":"https://openalex.org/keywords/action-representation","display_name":"action representation","score":0.9100000262260437},{"id":"https://openalex.org/keywords/bag-of-words","display_name":"bag-of-words","score":0.671999990940094}],"concepts":[{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6586999893188477},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.6169999837875366},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6011999845504761},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5989000201225281},{"id":"https://openalex.org/C2776214188","wikidata":"https://www.wikidata.org/wiki/Q408386","display_name":"Inference","level":2,"score":0.5666999816894531},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.5130000114440918},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.4458000063896179},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.3686999976634979},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.36480000615119934},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.3418999910354614},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.2928999960422516},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.29019999504089355},{"id":"https://openalex.org/C175154964","wikidata":"https://www.wikidata.org/wiki/Q380077","display_name":"Task analysis","level":3,"score":0.28839999437332153},{"id":"https://openalex.org/C100609095","wikidata":"https://www.wikidata.org/wiki/Q1335050","display_name":"Embodied cognition","level":2,"score":0.28790000081062317},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.28700000047683716},{"id":"https://openalex.org/C2987834672","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Action recognition","level":3,"score":0.2759999930858612},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.2678999900817871},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.2515999972820282}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:CiteSeerX.psu:10.1.1.227.8214","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.227.8214","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.cc.gatech.edu/%7Eafathi3/publication/ICCV11.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2560723102","https://openalex.org/W4414231030","https://openalex.org/W3139415219","https://openalex.org/W2970956973","https://openalex.org/W2514664799","https://openalex.org/W2848865181","https://openalex.org/W2259647664","https://openalex.org/W2943817374","https://openalex.org/W2948801166","https://openalex.org/W2405136153"],"abstract_inverted_index":{"We":[0,91,115],"present":[1],"a":[2,31,69,117],"method":[3,19],"to":[4,40,46,67,102,107,137],"analyze":[5],"daily":[6],"activities,":[7,23,97],"such":[8,141],"as":[9,142],"meal":[10],"preparation,":[11],"using":[12],"video":[13],"from":[14,87],"an":[15,41,73],"egocentric":[16,42,89],"camera.":[17],"Our":[18],"performs":[20],"inference":[21],"about":[22],"actions,":[24,98],"hands,":[25,82],"and":[26,60,83,99,126],"objects.":[27],"Daily":[28],"activities":[29],"are":[30,38,112],"challenging":[32],"domain":[33],"for":[34,58],"activity":[35,48,74,139],"recognition":[36,49],"which":[37],"well-suited":[39],"approach.":[43],"In":[44],"contrast":[45],"previous":[47],"methods,":[50],"our":[51,133],"approach":[52],"does":[53],"not":[54],"require":[55],"pre-trained":[56],"detectors":[57],"objects":[59,100],"hands.":[61],"Instead":[62],"we":[63],"demonstrate":[64,128],"the":[65,77,88,108,129],"ability":[66],"learn":[68],"hierarchical":[70],"model":[71],"of":[72,80,96,120,132,144],"by":[75],"exploiting":[76],"consistent":[78],"appearance":[79],"objects,":[81],"actions":[84,121],"that":[85,93],"results":[86],"context.":[90],"show":[92],"joint":[94],"modeling":[95],"leads":[101],"superior":[103,130],"performance":[104,131],"in":[105,135],"comparison":[106,136],"case":[109],"where":[110],"they":[111],"considered":[113],"independently.":[114],"introduce":[116],"novel":[118],"representation":[119,134],"based":[122],"on":[123],"object-hand":[124],"interactions":[125],"experimentally":[127],"standard":[138],"representations":[140],"bag":[143],"words.":[145],"1.":[146]},"counts_by_year":[],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2025-10-27T00:00:00"}