{"id":"https://openalex.org/W2344556193","doi":"https://doi.org/10.1109/tcsvt.2015.2511812","title":"Camera Self-Calibration Based on Nonlinear Optimization and Applications in Surveillance Systems","display_name":"Camera Self-Calibration Based on Nonlinear Optimization and Applications in Surveillance Systems","publication_year":2015,"publication_date":"2015-12-23","ids":{"openalex":"https://openalex.org/W2344556193","doi":"https://doi.org/10.1109/tcsvt.2015.2511812","mag":"2344556193"},"language":"en","primary_location":{"id":"doi:10.1109/tcsvt.2015.2511812","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2015.2511812","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems for Video Technology","raw_type":"journal-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/A5088097254","display_name":"Gustavo F\u00fchr","orcid":null},"institutions":[{"id":"https://openalex.org/I130442723","display_name":"Universidade Federal do Rio Grande do Sul","ror":"https://ror.org/041yk2d64","country_code":"BR","type":"education","lineage":["https://openalex.org/I130442723"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Gustavo Fuhr","raw_affiliation_strings":["Institute of Informatics, Federal University of Rio Grande do Sul, Porto Alegre, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Informatics, Federal University of Rio Grande do Sul, Porto Alegre, Brazil","institution_ids":["https://openalex.org/I130442723"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5012781859","display_name":"Cl\u00e1udio R. Jung","orcid":"https://orcid.org/0000-0002-4711-5783"},"institutions":[{"id":"https://openalex.org/I130442723","display_name":"Universidade Federal do Rio Grande do Sul","ror":"https://ror.org/041yk2d64","country_code":"BR","type":"education","lineage":["https://openalex.org/I130442723"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Claudio Rosito Jung","raw_affiliation_strings":["Institute of Informatics, Federal University of Rio Grande do Sul, Porto Alegre, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Informatics, Federal University of Rio Grande do Sul, Porto Alegre, Brazil","institution_ids":["https://openalex.org/I130442723"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I130442723"],"apc_list":null,"apc_paid":null,"fwci":0.9451,"has_fulltext":false,"cited_by_count":27,"citation_normalized_percentile":{"value":0.81699657,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"27","issue":"5","first_page":"1132","last_page":"1142"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9994999766349792,"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/T12153","display_name":"Advanced Optical Sensing Technologies","score":0.9973000288009644,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.814087450504303},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.7677136659622192},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7548674941062927},{"id":"https://openalex.org/keywords/augmented-reality","display_name":"Augmented reality","score":0.6373958587646484},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.610010027885437},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.5839164853096008},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5243207216262817},{"id":"https://openalex.org/keywords/camera-resectioning","display_name":"Camera resectioning","score":0.509503185749054},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.49542176723480225},{"id":"https://openalex.org/keywords/tracking","display_name":"Tracking (education)","score":0.4782606363296509},{"id":"https://openalex.org/keywords/pedestrian-detection","display_name":"Pedestrian detection","score":0.47577396035194397},{"id":"https://openalex.org/keywords/camera-auto-calibration","display_name":"Camera auto-calibration","score":0.46627524495124817},{"id":"https://openalex.org/keywords/orientation","display_name":"Orientation (vector space)","score":0.43954482674598694},{"id":"https://openalex.org/keywords/nonlinear-system","display_name":"Nonlinear system","score":0.41653192043304443},{"id":"https://openalex.org/keywords/pedestrian","display_name":"Pedestrian","score":0.2671825587749481},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16710183024406433},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08180949091911316}],"concepts":[{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.814087450504303},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7677136659622192},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7548674941062927},{"id":"https://openalex.org/C153715457","wikidata":"https://www.wikidata.org/wiki/Q254183","display_name":"Augmented reality","level":2,"score":0.6373958587646484},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.610010027885437},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5839164853096008},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5243207216262817},{"id":"https://openalex.org/C110898773","wikidata":"https://www.wikidata.org/wiki/Q2933935","display_name":"Camera resectioning","level":2,"score":0.509503185749054},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.49542176723480225},{"id":"https://openalex.org/C2775936607","wikidata":"https://www.wikidata.org/wiki/Q466845","display_name":"Tracking (education)","level":2,"score":0.4782606363296509},{"id":"https://openalex.org/C2780156472","wikidata":"https://www.wikidata.org/wiki/Q2355550","display_name":"Pedestrian detection","level":3,"score":0.47577396035194397},{"id":"https://openalex.org/C94816000","wikidata":"https://www.wikidata.org/wiki/Q5026006","display_name":"Camera auto-calibration","level":3,"score":0.46627524495124817},{"id":"https://openalex.org/C16345878","wikidata":"https://www.wikidata.org/wiki/Q107472979","display_name":"Orientation (vector space)","level":2,"score":0.43954482674598694},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.41653192043304443},{"id":"https://openalex.org/C2777113093","wikidata":"https://www.wikidata.org/wiki/Q221488","display_name":"Pedestrian","level":2,"score":0.2671825587749481},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16710183024406433},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08180949091911316},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","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/C22212356","wikidata":"https://www.wikidata.org/wiki/Q775325","display_name":"Transport engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcsvt.2015.2511812","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcsvt.2015.2511812","pdf_url":null,"source":{"id":"https://openalex.org/S115173108","display_name":"IEEE Transactions on Circuits and Systems for Video Technology","issn_l":"1051-8215","issn":["1051-8215","1558-2205"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Circuits and Systems for Video Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11","score":0.5400000214576721}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":40,"referenced_works":["https://openalex.org/W208128215","https://openalex.org/W1954310228","https://openalex.org/W1985304392","https://openalex.org/W2000292907","https://openalex.org/W2016135469","https://openalex.org/W2024991751","https://openalex.org/W2029035464","https://openalex.org/W2044316123","https://openalex.org/W2046561086","https://openalex.org/W2053158914","https://openalex.org/W2061773916","https://openalex.org/W2064106408","https://openalex.org/W2075674144","https://openalex.org/W2077400077","https://openalex.org/W2077513643","https://openalex.org/W2085261163","https://openalex.org/W2106551213","https://openalex.org/W2109770203","https://openalex.org/W2111151479","https://openalex.org/W2121193292","https://openalex.org/W2124535811","https://openalex.org/W2124781496","https://openalex.org/W2127070222","https://openalex.org/W2129597587","https://openalex.org/W2130132547","https://openalex.org/W2131830558","https://openalex.org/W2137854012","https://openalex.org/W2139479830","https://openalex.org/W2144995066","https://openalex.org/W2146352414","https://openalex.org/W2148958980","https://openalex.org/W2152813046","https://openalex.org/W2155487100","https://openalex.org/W2159386181","https://openalex.org/W2163155500","https://openalex.org/W2167667767","https://openalex.org/W2170889306","https://openalex.org/W2534262995","https://openalex.org/W2599231066","https://openalex.org/W3021282624"],"related_works":["https://openalex.org/W2793501283","https://openalex.org/W2027392171","https://openalex.org/W2092917442","https://openalex.org/W2171895515","https://openalex.org/W2092834444","https://openalex.org/W2907109935","https://openalex.org/W2134686930","https://openalex.org/W1865242774","https://openalex.org/W2138132165","https://openalex.org/W2362598088"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"a":[3,18,56,64],"new":[4],"approach":[5],"for":[6,59],"self-calibration":[7,91],"of":[8,14,46,81,90,116,123],"static":[9],"cameras":[10,118,125],"in":[11,92,126],"the":[12,24,35,42,60,72,79,82,114,121,127],"context":[13],"surveillance":[15,97],"applications.":[16],"Initially,":[17],"pedestrian":[19,103],"detector":[20],"is":[21,68],"applied":[22],"and":[23,105,108],"responses":[25],"are":[26,38,52],"validated":[27],"using":[28],"background":[29],"removal.":[30],"Then,":[31],"foreground-related":[32],"pixels":[33],"within":[34],"detection":[36,104],"results":[37],"used":[39,53,69],"to":[40,54,70,76,95,102,119],"estimate":[41,58],"feet-head":[43],"line":[44],"segments":[45],"each":[47],"person":[48],"(called":[49],"poles),":[50],"which":[51],"find":[55],"linear":[57],"camera":[61],"matrix.":[62],"Finally,":[63],"nonlinear":[65],"cost":[66],"function":[67],"refine":[71],"initial":[73],"estimate,":[74],"aiming":[75],"mostly":[77],"improve":[78],"orientation":[80],"reprojected":[83],"poles.":[84],"We":[85],"also":[86],"present":[87],"different":[88],"applications":[89],"tasks":[93],"related":[94],"video":[96],"itself,":[98],"such":[99,112],"as":[100,113],"improvements":[101],"tracking":[106],"algorithms,":[107],"augmented":[109],"reality":[110],"applications,":[111],"insertion":[115],"virtual":[117],"aid":[120],"placement":[122],"real":[124],"scene.":[128]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2026-08-02T14:50:37.381335","created_date":"2025-10-10T00:00:00"}
