{"id":"https://openalex.org/W2037334484","doi":"https://doi.org/10.1109/smc.2014.6974283","title":"Context-based trajectory descriptor for human activity profiling","display_name":"Context-based trajectory descriptor for human activity profiling","publication_year":2014,"publication_date":"2014-10-01","ids":{"openalex":"https://openalex.org/W2037334484","doi":"https://doi.org/10.1109/smc.2014.6974283","mag":"2037334484"},"language":"en","primary_location":{"id":"doi:10.1109/smc.2014.6974283","is_oa":false,"landing_page_url":"https://doi.org/10.1109/smc.2014.6974283","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Systems, Man, and Cybernetics (SMC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://repositorio.inesctec.pt/handle/123456789/7207","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102355791","display_name":"Eduardo M. Pereira","orcid":null},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]},{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Eduardo M. Pereira","raw_affiliation_strings":["INESC TEC and Faculty of Engineering of the University of Porto, Porto, Portugal","Institute for Systems and Computer Engineering, Technology and Science"],"affiliations":[{"raw_affiliation_string":"INESC TEC and Faculty of Engineering of the University of Porto, Porto, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]},{"raw_affiliation_string":"Institute for Systems and Computer Engineering, Technology and Science","institution_ids":["https://openalex.org/I4210166615"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036993398","display_name":"Lucian Ciobanu","orcid":"https://orcid.org/0000-0003-1102-8589"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Lucian Ciobanu","raw_affiliation_strings":["INESC TEC, Porto, Portugal","Institute for Systems and Computer Engineering, Technology and Science"],"affiliations":[{"raw_affiliation_string":"INESC TEC, Porto, Portugal","institution_ids":["https://openalex.org/I4210166615"]},{"raw_affiliation_string":"Institute for Systems and Computer Engineering, Technology and Science","institution_ids":["https://openalex.org/I4210166615"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013827007","display_name":"Jaime S. Cardoso","orcid":"https://orcid.org/0000-0002-3760-2473"},"institutions":[{"id":"https://openalex.org/I4210166615","display_name":"INESC TEC","ror":"https://ror.org/05fa8ka61","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I4210125590","https://openalex.org/I4210166615"]},{"id":"https://openalex.org/I182534213","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612","country_code":"PT","type":"education","lineage":["https://openalex.org/I182534213"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Jaime S. Cardoso","raw_affiliation_strings":["INESC TEC and Faculty of Engineering of the University of Porto, Porto, Portugal","Institute for Systems and Computer Engineering, Technology and Science"],"affiliations":[{"raw_affiliation_string":"INESC TEC and Faculty of Engineering of the University of Porto, Porto, Portugal","institution_ids":["https://openalex.org/I4210166615","https://openalex.org/I182534213"]},{"raw_affiliation_string":"Institute for Systems and Computer Engineering, Technology and Science","institution_ids":["https://openalex.org/I4210166615"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102355791"],"corresponding_institution_ids":["https://openalex.org/I182534213","https://openalex.org/I4210166615"],"apc_list":null,"apc_paid":null,"fwci":1.6914,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.87568206,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"5303","issue":null,"first_page":"2385","last_page":"2390"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9997000098228455,"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":0.9997000098228455,"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/T10812","display_name":"Human Pose and Action Recognition","score":0.9994999766349792,"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":0.9994000196456909,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/discriminative-model","display_name":"Discriminative model","score":0.8487001657485962},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7344916462898254},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.6734457015991211},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.644303560256958},{"id":"https://openalex.org/keywords/profiling","display_name":"Profiling (computer programming)","score":0.5527287721633911},{"id":"https://openalex.org/keywords/trajectory","display_name":"Trajectory","score":0.5321012735366821},{"id":"https://openalex.org/keywords/activity-recognition","display_name":"Activity recognition","score":0.5085502862930298},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.47475412487983704},{"id":"https://openalex.org/keywords/annotation","display_name":"Annotation","score":0.4613492786884308},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4346124529838562},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.38742685317993164},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.3687135577201843}],"concepts":[{"id":"https://openalex.org/C97931131","wikidata":"https://www.wikidata.org/wiki/Q5282087","display_name":"Discriminative model","level":2,"score":0.8487001657485962},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7344916462898254},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.6734457015991211},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.644303560256958},{"id":"https://openalex.org/C187191949","wikidata":"https://www.wikidata.org/wiki/Q1138496","display_name":"Profiling (computer programming)","level":2,"score":0.5527287721633911},{"id":"https://openalex.org/C13662910","wikidata":"https://www.wikidata.org/wiki/Q193139","display_name":"Trajectory","level":2,"score":0.5321012735366821},{"id":"https://openalex.org/C121687571","wikidata":"https://www.wikidata.org/wiki/Q4677630","display_name":"Activity recognition","level":2,"score":0.5085502862930298},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.47475412487983704},{"id":"https://openalex.org/C2776321320","wikidata":"https://www.wikidata.org/wiki/Q857525","display_name":"Annotation","level":2,"score":0.4613492786884308},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4346124529838562},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.38742685317993164},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.3687135577201843},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","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},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","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/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/smc.2014.6974283","is_oa":false,"landing_page_url":"https://doi.org/10.1109/smc.2014.6974283","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 IEEE International Conference on Systems, Man, and Cybernetics (SMC)","raw_type":"proceedings-article"},{"id":"pmh:oai:repositorio.inesctec.pt:123456789/7207","is_oa":true,"landing_page_url":"http://repositorio.inesctec.pt/handle/123456789/7207","pdf_url":"http://repositorio.inesctec.pt/handle/123456789/7207","source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference object"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.967.5490","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.967.5490","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.inescporto.pt/%7Ejsc/publications/conferences/2014EPereiraSMC.pdf","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:repositorio.inesctec.pt:123456789/7207","is_oa":true,"landing_page_url":"http://repositorio.inesctec.pt/handle/123456789/7207","pdf_url":"http://repositorio.inesctec.pt/handle/123456789/7207","source":{"id":"https://openalex.org/S4306402433","display_name":"Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"conference object"},"sustainable_development_goals":[{"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10","score":0.7599999904632568}],"awards":[{"id":"https://openalex.org/G3284537356","display_name":null,"funder_award_id":"SFRH/B","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G5722645763","display_name":null,"funder_award_id":"SFRH/BP","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G5818630289","display_name":null,"funder_award_id":"SFRH/BD/","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G7049410507","display_name":null,"funder_award_id":"Portuguese Foundation for Science","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G724804869","display_name":null,"funder_award_id":"SFRH/","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"},{"id":"https://openalex.org/G8582039981","display_name":null,"funder_award_id":"SFRH/BD/51430/2011","funder_id":"https://openalex.org/F4320334779","funder_display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia"}],"funders":[{"id":"https://openalex.org/F4320324086","display_name":"Universidade do Porto","ror":"https://ror.org/043pwc612"},{"id":"https://openalex.org/F4320334779","display_name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","ror":"https://ror.org/00snfqn58"}],"has_content":{"grobid_xml":false,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2037334484.pdf"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W195009302","https://openalex.org/W281766413","https://openalex.org/W1481361735","https://openalex.org/W1482815597","https://openalex.org/W1484830317","https://openalex.org/W1968215803","https://openalex.org/W1983705368","https://openalex.org/W2006719702","https://openalex.org/W2009570648","https://openalex.org/W2023048829","https://openalex.org/W2031352624","https://openalex.org/W2036721747","https://openalex.org/W2037903093","https://openalex.org/W2038765747","https://openalex.org/W2040260621","https://openalex.org/W2081314772","https://openalex.org/W2102605551","https://openalex.org/W2128534087","https://openalex.org/W2135098562","https://openalex.org/W2155912251","https://openalex.org/W2164261375","https://openalex.org/W2167052694","https://openalex.org/W2533503513","https://openalex.org/W6610168004","https://openalex.org/W6628681060","https://openalex.org/W6629027181","https://openalex.org/W6684820515"],"related_works":["https://openalex.org/W2965546495","https://openalex.org/W2361861616","https://openalex.org/W4389116644","https://openalex.org/W2153315159","https://openalex.org/W3103844505","https://openalex.org/W259157601","https://openalex.org/W4205463238","https://openalex.org/W2263699433","https://openalex.org/W2377979023","https://openalex.org/W2218034408"],"abstract_inverted_index":{"The":[0,59],"increasing":[1],"demand":[2],"for":[3,74],"human":[4,91],"activity":[5],"analysis":[6],"on":[7],"surveillance":[8],"scenarios":[9],"has":[10],"been":[11],"provoking":[12],"the":[13,25,101,108],"emerging":[14],"of":[15,27,48,61,86,90,104,114],"new":[16,67],"features":[17,52],"and":[18,50,88,93,106],"concepts":[19],"that":[20,53],"could":[21],"help":[22],"to":[23,37,99],"identify":[24,38,79],"activities":[26],"interest.":[28],"In":[29],"this":[30],"paper,":[31],"we":[32],"present":[33],"a":[34,44,55,66,80],"context-based":[35],"descriptor":[36],"individual":[39],"profiles.":[40],"It":[41],"accounts":[42],"with":[43],"multi-scale":[45],"histogram":[46],"representation":[47],"position-based":[49],"attention-based":[51],"follow":[54],"key-point":[56],"trajectory":[57],"sampling.":[58],"notion":[60],"profile":[62,105],"is":[63],"expressed":[64],"by":[65,96],"semantic":[68],"concept":[69,103],"introduced":[70,102],"as":[71],"an":[72],"adjective":[73],"action":[75],"recognition.":[76],"We":[77],"also":[78],"very":[81],"rich":[82],"dataset,":[83],"in":[84],"terms":[85],"intensity":[87],"variability":[89],"activity,":[92],"extended":[94],"it":[95],"manual":[97],"annotation":[98],"validate":[100],"test":[107],"descriptor's":[109],"discriminative":[110],"power.":[111],"High":[112],"rates":[113],"recognition":[115],"were":[116],"achieved.":[117]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}
