{"id":"https://openalex.org/W1964806982","doi":"https://doi.org/10.1109/iccvw.2009.5457456","title":"Topic models for scene analysis and abnormality detection","display_name":"Topic models for scene analysis and abnormality detection","publication_year":2009,"publication_date":"2009-09-01","ids":{"openalex":"https://openalex.org/W1964806982","doi":"https://doi.org/10.1109/iccvw.2009.5457456","mag":"1964806982"},"language":"en","primary_location":{"id":"doi:10.1109/iccvw.2009.5457456","doi":"https://doi.org/10.1109/iccvw.2009.5457456","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccvw.2009.5457456","pdf_url":null,"source":{"id":"https://openalex.org/S4393918695","display_name":"IEEE International Conference on Computer Vision Workshops","issn_l":"2473-9936","issn":["2473-9936"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-1"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 12th International Conference on Computer Vision Workshops, ICCV Workshops","raw_type":"proceedings-article"},"volume":null,"type":"conference-paper","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://infoscience.epfl.ch/record/146330","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102957421","display_name":"Jagannadan Varadarajan","orcid":"https://orcid.org/0000-0003-2519-4836","observed_orcids":["https://orcid.org/0000-0003-2519-4836"]},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]},{"id":"https://openalex.org/I7495430","display_name":"Idiap Research Institute","ror":"https://ror.org/05932h694","country_code":"CH","type":"facility","lineage":["https://openalex.org/I7495430"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Jagannadan Varadarajan","raw_affiliation_strings":["Idiap Research Institute, Martigny, Switzerland","\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Idiap Research Institute, Martigny, Switzerland","institution_ids":["https://openalex.org/I7495430"]},{"raw_affiliation_string":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne, Lausanne, Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5053358969","display_name":"Jean\u2010Marc Odobez","orcid":"https://orcid.org/0000-0002-9537-9898","observed_orcids":["https://orcid.org/0000-0002-9537-9898"]},"institutions":[{"id":"https://openalex.org/I7495430","display_name":"Idiap Research Institute","ror":"https://ror.org/05932h694","country_code":"CH","type":"facility","lineage":["https://openalex.org/I7495430"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Jean-Marc Odobez","raw_affiliation_strings":["Idiap Research Institute, Martigny, Switzerland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Idiap Research Institute, Martigny, Switzerland","institution_ids":["https://openalex.org/I7495430"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.517,"has_fulltext":false,"cited_by_count":122,"citation_normalized_percentile":{"value":0.95773081,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":100},"biblio":{"volume":null,"issue":null,"first_page":"1338","last_page":"1345"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.5708000063896179,"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"}},"topics":[{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.5708000063896179,"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"}},{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.3977000117301941,"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":0.008100000210106373,"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/topic-modeling","display_name":"topic modeling","score":0.9160000085830688},{"id":"https://openalex.org/keywords/probabilistic-latent-semantic-analysis","display_name":"probabilistic latent semantic analysis","score":0.8920000195503235},{"id":"https://openalex.org/keywords/scene-analysis","display_name":"scene analysis","score":0.6990000009536743},{"id":"https://openalex.org/keywords/anomaly-detection","display_name":"anomaly detection","score":0.9789999723434448},{"id":"https://openalex.org/keywords/unsupervised-learning","display_name":"unsupervised learning","score":0.859000027179718},{"id":"https://openalex.org/keywords/traffic-monitoring","display_name":"traffic monitoring","score":0.47600001096725464},{"id":"https://openalex.org/keywords/video-segmentation","display_name":"video segmentation","score":0.4189999997615814},{"id":"https://openalex.org/keywords/movement-characteristics","display_name":"motion features","score":0.6919999718666077}],"concepts":[{"id":"https://openalex.org/C50965678","wikidata":"https://www.wikidata.org/wiki/Q2724302","display_name":"Abnormality","level":2,"score":0.8086420297622681},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.694328784942627},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.47039756178855896},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.07312473654747009},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/iccvw.2009.5457456","doi":"https://doi.org/10.1109/iccvw.2009.5457456","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccvw.2009.5457456","pdf_url":null,"source":{"id":"https://openalex.org/S4393918695","display_name":"IEEE International Conference on Computer Vision Workshops","issn_l":"2473-9936","issn":["2473-9936"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["jufo-1"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE 12th International Conference on Computer Vision Workshops, ICCV Workshops","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.157.1673","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.157.1673","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.idiap.ch/~odobez/publications/VaradarajanOdobez-ICCV-VS_2009.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.333.3455","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.333.3455","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://publications.idiap.ch/downloads/papers/2009/Varadarajan_INTERNATIONALCONFERENCEINCOMPUTERVISION_2009.pdf","raw_type":"text"},{"id":"pmh:oai:infoscience.epfl.ch:146330","doi":null,"is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/146330","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},{"id":"pmh:oai:infoscience.tind.io:146330","doi":null,"is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/146330","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://infoscience.epfl.ch/record/146330","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:infoscience.epfl.ch:146330","doi":null,"is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/146330","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I5124864","host_organization_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","host_organization_lineage":["https://openalex.org/I5124864"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Text"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W88701025","https://openalex.org/W1484830317","https://openalex.org/W1496929357","https://openalex.org/W1880262756","https://openalex.org/W2019993792","https://openalex.org/W2105604990","https://openalex.org/W2109389234","https://openalex.org/W2111918405","https://openalex.org/W2124658620","https://openalex.org/W2134731454","https://openalex.org/W2149021215","https://openalex.org/W2149989004","https://openalex.org/W2151928481","https://openalex.org/W2156503960","https://openalex.org/W2165874743"],"related_works":["https://openalex.org/W2545266814","https://openalex.org/W3045749820","https://openalex.org/W2128534087","https://openalex.org/W2319839460","https://openalex.org/W2013410816","https://openalex.org/W2166583862","https://openalex.org/W2019993792","https://openalex.org/W2035570027","https://openalex.org/W1687533290","https://openalex.org/W1484830317"],"abstract_inverted_index":{"Automatic":[0],"analysis":[1],"and":[2,7,68,117,140],"understanding":[3],"of":[4,9,36,112,132],"common":[5],"activities":[6,34,70],"detection":[8,107],"deviant":[10],"behaviors":[11],"is":[12,20],"a":[13,61,136],"challenging":[14],"task":[15],"in":[16,23,77,119],"computer":[17],"vision.":[18],"This":[19],"particularly":[21],"true":[22],"surveillance":[24],"data,":[25],"where":[26],"busy":[27,137],"traffic":[28,138],"scenes":[29],"are":[30,144],"rich":[31,62],"with":[32,47,97,123],"multifarious":[33],"many":[35],"them":[37],"occurring":[38,76],"simultaneously.":[39],"In":[40],"this":[41],"paper,":[42],"we":[43,103],"address":[44],"these":[45],"issues":[46],"an":[48],"unsupervised":[49],"learning":[50],"approach":[51],"relying":[52],"on":[53,129],"probabilistic":[54],"Latent":[55],"Semantic":[56],"Analysis":[57],"(pLSA)":[58],"applied":[59],"to":[60,91,125],"set":[63],"visual":[64],"features":[65],"including":[66],"motion":[67],"size":[69],"for":[71],"discovering":[72],"relevant":[73],"activity":[74,100],"patterns":[75,86],"such":[78],"scenes.":[79],"We":[80],"then":[81],"show":[82],"how":[83],"the":[84,93,110,113],"discovered":[85],"can":[87],"directly":[88],"be":[89],"used":[90],"segment":[92],"scene":[94,139],"into":[95],"regions":[96],"clear":[98],"semantic":[99],"content.":[101],"Furthermore,":[102],"introduce":[104],"novel":[105],"abnormality":[106],"measures":[108],"within":[109],"scope":[111],"adopted":[114],"modeling":[115],"approach,":[116],"investigate":[118],"detail":[120],"their":[121],"performance":[122],"respect":[124],"various":[126],"issues.":[127],"Experiments":[128],"45":[130],"minutes":[131],"video":[133],"captured":[134],"from":[135],"involving":[141],"abnormal":[142],"events":[143],"conducted.":[145]},"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":7},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":10},{"year":2018,"cited_by_count":16},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":16},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":10},{"year":2012,"cited_by_count":9}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
