{"id":"https://openalex.org/W1968602832","doi":"https://doi.org/10.1145/1460096.1460140","title":"Human activity localization via sequential change detection","display_name":"Human activity localization via sequential change detection","publication_year":2008,"publication_date":"2008-10-30","ids":{"openalex":"https://openalex.org/W1968602832","doi":"https://doi.org/10.1145/1460096.1460140","mag":"1968602832"},"language":"en","primary_location":{"id":"doi:10.1145/1460096.1460140","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1460096.1460140","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st ACM international conference on Multimedia information retrieval","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/A5039798361","display_name":"Alexia Briassouli","orcid":"https://orcid.org/0000-0002-0545-3215"},"institutions":[{"id":"https://openalex.org/I4210134249","display_name":"Centre for Research and Technology Hellas","ror":"https://ror.org/03bndpq63","country_code":"GR","type":"facility","lineage":["https://openalex.org/I4210134249"]},{"id":"https://openalex.org/I4210093649","display_name":"Information Technologies Institute","ror":"https://ror.org/0069akp70","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210093649"]}],"countries":["GR"],"is_corresponding":true,"raw_author_name":"Alexia Briassouli","raw_affiliation_strings":["Informatics and Telematics Institute, Centre for Research and Technology Hellas, Thessaloniki, Greece"],"affiliations":[{"raw_affiliation_string":"Informatics and Telematics Institute, Centre for Research and Technology Hellas, Thessaloniki, Greece","institution_ids":["https://openalex.org/I4210134249","https://openalex.org/I4210093649"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084122016","display_name":"Ioannis Kompatsiaris","orcid":"https://orcid.org/0000-0001-6447-9020"},"institutions":[{"id":"https://openalex.org/I4210134249","display_name":"Centre for Research and Technology Hellas","ror":"https://ror.org/03bndpq63","country_code":"GR","type":"facility","lineage":["https://openalex.org/I4210134249"]},{"id":"https://openalex.org/I4210093649","display_name":"Information Technologies Institute","ror":"https://ror.org/0069akp70","country_code":"GR","type":"nonprofit","lineage":["https://openalex.org/I4210093649"]}],"countries":["GR"],"is_corresponding":false,"raw_author_name":"Ioannis Kompatsiaris","raw_affiliation_strings":["Informatics and Telematics Institute, Centre for Research and Technology Hellas, Thessaloniki, Greece"],"affiliations":[{"raw_affiliation_string":"Informatics and Telematics Institute, Centre for Research and Technology Hellas, Thessaloniki, Greece","institution_ids":["https://openalex.org/I4210134249","https://openalex.org/I4210093649"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5039798361"],"corresponding_institution_ids":["https://openalex.org/I4210093649","https://openalex.org/I4210134249"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.06113004,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"140","issue":null,"first_page":"260","last_page":"267"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9994000196456909,"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/T10531","display_name":"Advanced Vision and Imaging","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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7556049227714539},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.7201178669929504},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6845624446868896},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6652693748474121},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.6058502793312073},{"id":"https://openalex.org/keywords/digital-video","display_name":"Digital video","score":0.5588309168815613},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.5176294445991516},{"id":"https://openalex.org/keywords/event","display_name":"Event (particle physics)","score":0.5023238658905029},{"id":"https://openalex.org/keywords/change-detection","display_name":"Change detection","score":0.496100515127182},{"id":"https://openalex.org/keywords/activity-detection","display_name":"Activity detection","score":0.46983855962753296},{"id":"https://openalex.org/keywords/motion","display_name":"Motion (physics)","score":0.4643533527851105},{"id":"https://openalex.org/keywords/motion-vector","display_name":"Motion vector","score":0.4570479691028595},{"id":"https://openalex.org/keywords/motion-detection","display_name":"Motion detection","score":0.45448043942451477},{"id":"https://openalex.org/keywords/video-tracking","display_name":"Video tracking","score":0.42898428440093994},{"id":"https://openalex.org/keywords/video-processing","display_name":"Video processing","score":0.4264419674873352},{"id":"https://openalex.org/keywords/human-motion","display_name":"Human motion","score":0.42518049478530884},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3490484952926636},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.3445255160331726},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.24737757444381714},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11071926355361938}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7556049227714539},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.7201178669929504},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6845624446868896},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6652693748474121},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.6058502793312073},{"id":"https://openalex.org/C2988454689","wikidata":"https://www.wikidata.org/wiki/Q173131","display_name":"Digital video","level":3,"score":0.5588309168815613},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.5176294445991516},{"id":"https://openalex.org/C2779662365","wikidata":"https://www.wikidata.org/wiki/Q5416694","display_name":"Event (particle physics)","level":2,"score":0.5023238658905029},{"id":"https://openalex.org/C203595873","wikidata":"https://www.wikidata.org/wiki/Q25389927","display_name":"Change detection","level":2,"score":0.496100515127182},{"id":"https://openalex.org/C2988656282","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity detection","level":2,"score":0.46983855962753296},{"id":"https://openalex.org/C104114177","wikidata":"https://www.wikidata.org/wiki/Q79782","display_name":"Motion (physics)","level":2,"score":0.4643533527851105},{"id":"https://openalex.org/C2779020251","wikidata":"https://www.wikidata.org/wiki/Q3555171","display_name":"Motion vector","level":3,"score":0.4570479691028595},{"id":"https://openalex.org/C2780624872","wikidata":"https://www.wikidata.org/wiki/Q852453","display_name":"Motion detection","level":3,"score":0.45448043942451477},{"id":"https://openalex.org/C202474056","wikidata":"https://www.wikidata.org/wiki/Q1931635","display_name":"Video tracking","level":3,"score":0.42898428440093994},{"id":"https://openalex.org/C65483669","wikidata":"https://www.wikidata.org/wiki/Q3536669","display_name":"Video processing","level":2,"score":0.4264419674873352},{"id":"https://openalex.org/C2986578859","wikidata":"https://www.wikidata.org/wiki/Q657632","display_name":"Human motion","level":3,"score":0.42518049478530884},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3490484952926636},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.3445255160331726},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.24737757444381714},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11071926355361938},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","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},{"id":"https://openalex.org/C19417346","wikidata":"https://www.wikidata.org/wiki/Q7922","display_name":"Pedagogy","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/1460096.1460140","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1460096.1460140","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 1st ACM international conference on Multimedia information retrieval","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.178.1739","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.178.1739","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://mklab.iti.gr/files/MIR08.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.323.9722","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.323.9722","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://press.liacs.nl/students.mir/Human Activity Localization via Sequential Change Detection.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W158032981","https://openalex.org/W1516996557","https://openalex.org/W1590772317","https://openalex.org/W1608828283","https://openalex.org/W1667165204","https://openalex.org/W1861482061","https://openalex.org/W1898078824","https://openalex.org/W1966941700","https://openalex.org/W1986042636","https://openalex.org/W2011611678","https://openalex.org/W2032488278","https://openalex.org/W2036488048","https://openalex.org/W2049163084","https://openalex.org/W2064751023","https://openalex.org/W2079305280","https://openalex.org/W2080373761","https://openalex.org/W2113585802","https://openalex.org/W2125852914","https://openalex.org/W2130213536","https://openalex.org/W2134344197","https://openalex.org/W2143338865","https://openalex.org/W2144385786","https://openalex.org/W2146203184","https://openalex.org/W2151061404","https://openalex.org/W2153101587","https://openalex.org/W2163599171","https://openalex.org/W2165258227","https://openalex.org/W2165715280","https://openalex.org/W2255495011","https://openalex.org/W2290998285","https://openalex.org/W2403892550","https://openalex.org/W2607182503","https://openalex.org/W2751862591","https://openalex.org/W2798053997","https://openalex.org/W3003662786","https://openalex.org/W3133603318","https://openalex.org/W4301441647","https://openalex.org/W6682418922","https://openalex.org/W6713335434","https://openalex.org/W7029258064"],"related_works":["https://openalex.org/W2089009537","https://openalex.org/W2505539042","https://openalex.org/W4367848496","https://openalex.org/W4286770739","https://openalex.org/W2118139667","https://openalex.org/W2562314906","https://openalex.org/W802136624","https://openalex.org/W3162122727","https://openalex.org/W2121879818","https://openalex.org/W2120287021"],"abstract_inverted_index":{"Today's":[0],"rapid":[1,18],"developments":[2],"in":[3,49,57,73,107],"digital":[4],"media":[5],"processing":[6,68],"capabilities,":[7],"and":[8,19,21,33,66,83],"network":[9],"speeds,":[10],"make":[11],"the":[12,44,58,64,70,91,95,118,122],"dissemination":[13],"of":[14,46,55,69,94,121],"multimedia":[15],"data":[16],"extremely":[17],"reliable,":[20],"have":[22,125],"attracted":[23],"significant":[24],"research":[25],"attention":[26],"to":[27,43,128],"video":[28,50,59],"analysis,":[29],"event":[30],"detection,":[31],"tracking":[32],"surveillance.":[34],"In":[35],"this":[36],"work,":[37],"a":[38,108],"novel,":[39],"generally":[40],"applicable":[41],"approach":[42],"detection":[45],"human":[47],"activity":[48,56],"is":[51],"presented.":[52],"The":[53,76],"areas":[54],"are":[60,85,105],"first":[61],"detected":[62],"via":[63],"accumulation":[65],"statistical":[67,92],"motion":[71,96,119],"vectors":[72,97,120],"all":[74],"frames.":[75],"times":[77],"(frames)":[78],"at":[79,89],"which":[80,90],"events":[81],"begin":[82],"end":[84],"defined":[86],"as":[87],"moments":[88],"distribution":[93],"changes,":[98],"for":[99],"each":[100],"pixel.":[101],"These":[102],"time":[103],"instants":[104],"estimated":[106],"novel":[109],"manner,":[110],"by":[111],"applying":[112],"sequential":[113],"likelihood":[114],"ratio":[115],"testing":[116],"on":[117],"pixels":[123],"that":[124],"been":[126],"found":[127],"be":[129],"active.":[130]},"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}