{"id":"https://openalex.org/W2134812528","doi":"https://doi.org/10.1109/med.2013.6608936","title":"A velocity field approach to the detection of pedestrian interactions","display_name":"A velocity field approach to the detection of pedestrian interactions","publication_year":2013,"publication_date":"2013-06-01","ids":{"openalex":"https://openalex.org/W2134812528","doi":"https://doi.org/10.1109/med.2013.6608936","mag":"2134812528"},"language":"en","primary_location":{"id":"doi:10.1109/med.2013.6608936","is_oa":false,"landing_page_url":"https://doi.org/10.1109/med.2013.6608936","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"21st Mediterranean Conference on Control and Automation","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/A5022958611","display_name":"Ana Port\u00ealo","orcid":"https://orcid.org/0000-0002-5482-2873"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"A. Portelo","raw_affiliation_strings":["INESC ID, Lisboa, Portugal","INESC\u2010ID  Lisbon Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC ID, Lisboa, Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"INESC\u2010ID  Lisbon Portugal","institution_ids":["https://openalex.org/I121345201"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101962448","display_name":"Ricardo Ribeiro","orcid":"https://orcid.org/0000-0002-7332-3391"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. Ribeiro","raw_affiliation_strings":["IST, ISR, Lisboa, Portugal","IST/ISR, Lisbon, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IST, ISR, Lisboa, Portugal","institution_ids":[]},{"raw_affiliation_string":"IST/ISR, Lisbon, Portugal","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026826555","display_name":"M\u00e1rio A. T. Figueiredo","orcid":"https://orcid.org/0000-0002-0970-7745"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. Figueiredo","raw_affiliation_strings":["IST, UTL, Lisboa, Portugal","IT, IST/UTL, Lisbon, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IST, UTL, Lisboa, Portugal","institution_ids":[]},{"raw_affiliation_string":"IT, IST/UTL, Lisbon, Portugal","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089994873","display_name":"Jo\u00e3o M. Lemos","orcid":"https://orcid.org/0000-0003-3149-8035"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"J. M. Lemos","raw_affiliation_strings":["INESC-ID and IST, UTL, Lisboa, Portugal","INESC-ID, IST, UTL, Lisbon, Portugal#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INESC-ID and IST, UTL, Lisboa, Portugal","institution_ids":["https://openalex.org/I121345201"]},{"raw_affiliation_string":"INESC-ID, IST, UTL, Lisbon, Portugal#TAB#","institution_ids":["https://openalex.org/I121345201"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5071738210","display_name":"Jorge S. Marques","orcid":"https://orcid.org/0000-0002-3800-7756"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. S. Marques","raw_affiliation_strings":["IST, ISR, Lisboa, Portugal","IST/ISR, Lisbon, Portugal"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IST, ISR, Lisboa, Portugal","institution_ids":[]},{"raw_affiliation_string":"IST/ISR, Lisbon, Portugal","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2763,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.63576823,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"24","issue":null,"first_page":"1603","last_page":"1608"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9995999932289124,"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/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9995999932289124,"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/T11512","display_name":"Anomaly Detection Techniques and Applications","score":0.9994000196456909,"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.9948999881744385,"subfield":{"id":"https://openalex.org/subfields/2214","display_name":"Media Technology"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/pedestrian","display_name":"Pedestrian","score":0.7957074046134949},{"id":"https://openalex.org/keywords/kalman-filter","display_name":"Kalman filter","score":0.7432040572166443},{"id":"https://openalex.org/keywords/forgetting","display_name":"Forgetting","score":0.6181159019470215},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5806460380554199},{"id":"https://openalex.org/keywords/field","display_name":"Field (mathematics)","score":0.5332144498825073},{"id":"https://openalex.org/keywords/extended-kalman-filter","display_name":"Extended Kalman filter","score":0.5022115707397461},{"id":"https://openalex.org/keywords/pedestrian-detection","display_name":"Pedestrian detection","score":0.47127765417099},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.46093717217445374},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.45510968565940857},{"id":"https://openalex.org/keywords/extension","display_name":"Extension (predicate logic)","score":0.4246167838573456},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.33035770058631897},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2768671214580536},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.2001459300518036}],"concepts":[{"id":"https://openalex.org/C2777113093","wikidata":"https://www.wikidata.org/wiki/Q221488","display_name":"Pedestrian","level":2,"score":0.7957074046134949},{"id":"https://openalex.org/C157286648","wikidata":"https://www.wikidata.org/wiki/Q846780","display_name":"Kalman filter","level":2,"score":0.7432040572166443},{"id":"https://openalex.org/C7149132","wikidata":"https://www.wikidata.org/wiki/Q1377840","display_name":"Forgetting","level":2,"score":0.6181159019470215},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5806460380554199},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.5332144498825073},{"id":"https://openalex.org/C206833254","wikidata":"https://www.wikidata.org/wiki/Q5421817","display_name":"Extended Kalman filter","level":3,"score":0.5022115707397461},{"id":"https://openalex.org/C2780156472","wikidata":"https://www.wikidata.org/wiki/Q2355550","display_name":"Pedestrian detection","level":3,"score":0.47127765417099},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.46093717217445374},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.45510968565940857},{"id":"https://openalex.org/C2778029271","wikidata":"https://www.wikidata.org/wiki/Q5421931","display_name":"Extension (predicate logic)","level":2,"score":0.4246167838573456},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.33035770058631897},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2768671214580536},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2001459300518036},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/med.2013.6608936","is_oa":false,"landing_page_url":"https://doi.org/10.1109/med.2013.6608936","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"21st Mediterranean Conference on Control and Automation","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","score":0.6499999761581421,"display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":24,"referenced_works":["https://openalex.org/W188547412","https://openalex.org/W292716351","https://openalex.org/W1967777429","https://openalex.org/W1978799052","https://openalex.org/W1983672500","https://openalex.org/W2007657017","https://openalex.org/W2015876616","https://openalex.org/W2016476997","https://openalex.org/W2065564506","https://openalex.org/W2086001523","https://openalex.org/W2105934661","https://openalex.org/W2114484845","https://openalex.org/W2115213191","https://openalex.org/W2125095437","https://openalex.org/W2129418188","https://openalex.org/W2129765287","https://openalex.org/W2145938889","https://openalex.org/W2155268664","https://openalex.org/W2159197181","https://openalex.org/W2164489414","https://openalex.org/W2167052694","https://openalex.org/W2435507717","https://openalex.org/W6607712848","https://openalex.org/W6679000042"],"related_works":["https://openalex.org/W4289718052","https://openalex.org/W2164121020","https://openalex.org/W2145559838","https://openalex.org/W2905319430","https://openalex.org/W3116498279","https://openalex.org/W4287549553","https://openalex.org/W2972620127","https://openalex.org/W2981141433","https://openalex.org/W2103062922","https://openalex.org/W2162299404"],"abstract_inverted_index":{"The":[0,56],"problem":[1],"of":[2,13,48,58],"detecting":[3],"pedestrian":[4,21],"interactions":[5,22,59],"in":[6,34,37,45],"image":[7],"sequences":[8],"is":[9,23,62],"addressed.":[10],"An":[11],"extension":[12],"the":[14,39,46],"motion":[15],"field":[16],"model":[17,33],"to":[18,64],"account":[19],"for":[20,71],"presented.":[24],"Pedestrian":[25],"movements":[26],"are":[27,89],"modelled":[28],"by":[29],"a":[30,42,65,80,86],"non-linear":[31],"state":[32],"discrete":[35],"time,":[36],"which":[38,72],"trajectories":[40],"follow":[41],"known":[43],"field,":[44],"absence":[47],"interactions,":[49],"and":[50,84],"include":[51],"an":[52],"extra":[53],"term":[54],"otherwise.":[55],"detection":[57],"between":[60],"pedestrians":[61],"reduced":[63],"time":[66],"varying":[67],"parameter":[68],"estimation":[69,78],"problem,":[70],"algorithms":[73],"based":[74],"on":[75,85],"moving":[76],"horizon":[77],"with":[79],"variable":[81],"forgetting":[82],"factor":[83],"Kalman":[87],"filter":[88],"compared.":[90]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
