{"id":"https://openalex.org/W2163155500","doi":"https://doi.org/10.1109/icpr.2002.1044793","title":"Self-calibration of a camera from video of a walking human","display_name":"Self-calibration of a camera from video of a walking human","publication_year":2003,"publication_date":"2003-06-25","ids":{"openalex":"https://openalex.org/W2163155500","doi":"https://doi.org/10.1109/icpr.2002.1044793","mag":"2163155500"},"language":"en","primary_location":{"id":"doi:10.1109/icpr.2002.1044793","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icpr.2002.1044793","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Object recognition supported by user interaction for service robots","raw_type":"proceedings-article"},"type":"conference-paper","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/A5039233618","display_name":"Fengjun Lv","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Fengjun Lv","raw_affiliation_strings":["Institute for Robotics and Intelligent Systems, University of Southern California, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Robotics and Intelligent Systems, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101534702","display_name":"Tao Zhao","orcid":"https://orcid.org/0000-0002-9721-8641"},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Tao Zhao","raw_affiliation_strings":["Institute for Robotics and Intelligent Systems, University of Southern California, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Robotics and Intelligent Systems, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080385311","display_name":"Ram Nevatia","orcid":null},"institutions":[{"id":"https://openalex.org/I1174212","display_name":"University of Southern California","ror":"https://ror.org/03taz7m60","country_code":"US","type":"education","lineage":["https://openalex.org/I1174212"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. Nevatia","raw_affiliation_strings":["Institute for Robotics and Intelligent Systems, University of Southern California, Los Angeles, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Robotics and Intelligent Systems, University of Southern California, Los Angeles, CA, USA","institution_ids":["https://openalex.org/I1174212"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1174212"],"apc_list":null,"apc_paid":null,"fwci":7.5292,"has_fulltext":false,"cited_by_count":135,"citation_normalized_percentile":{"value":0.98258116,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"1","issue":null,"first_page":"562","last_page":"567"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10331","display_name":"Video Surveillance and Tracking Methods","score":0.9990000128746033,"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":0.9990000128746033,"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"}},{"id":"https://openalex.org/T10812","display_name":"Human Pose and Action Recognition","score":0.9925000071525574,"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/calibration","display_name":"Calibration","score":0.6606786251068115},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6503803133964539},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6341444849967957},{"id":"https://openalex.org/keywords/camera-resectioning","display_name":"Camera resectioning","score":0.575370192527771},{"id":"https://openalex.org/keywords/camera-auto-calibration","display_name":"Camera auto-calibration","score":0.5370731353759766},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5198293328285217},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.5155008435249329},{"id":"https://openalex.org/keywords/video-camera","display_name":"Video camera","score":0.5018961429595947},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.0899096429347992}],"concepts":[{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.6606786251068115},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6503803133964539},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6341444849967957},{"id":"https://openalex.org/C110898773","wikidata":"https://www.wikidata.org/wiki/Q2933935","display_name":"Camera resectioning","level":2,"score":0.575370192527771},{"id":"https://openalex.org/C94816000","wikidata":"https://www.wikidata.org/wiki/Q5026006","display_name":"Camera auto-calibration","level":3,"score":0.5370731353759766},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5198293328285217},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.5155008435249329},{"id":"https://openalex.org/C2778852477","wikidata":"https://www.wikidata.org/wiki/Q313614","display_name":"Video camera","level":2,"score":0.5018961429595947},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0899096429347992},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icpr.2002.1044793","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icpr.2002.1044793","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Object recognition supported by user interaction for service robots","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.15.2236","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.15.2236","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://iris.usc.edu/Outlines/papers/2002/lv-icpr02.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":10,"referenced_works":["https://openalex.org/W1533512546","https://openalex.org/W1592011777","https://openalex.org/W2028310195","https://openalex.org/W2029436146","https://openalex.org/W2109363615","https://openalex.org/W2140235142","https://openalex.org/W2155880278","https://openalex.org/W2160584396","https://openalex.org/W6657697445","https://openalex.org/W6683493564"],"related_works":["https://openalex.org/W2785097492","https://openalex.org/W2118427684","https://openalex.org/W2052984831","https://openalex.org/W2378222798","https://openalex.org/W2061162617","https://openalex.org/W2371079219","https://openalex.org/W2380084985","https://openalex.org/W2738999841","https://openalex.org/W2387041614","https://openalex.org/W2163155500"],"abstract_inverted_index":{"Analysis":[0],"of":[1,13,34,67],"human":[2,69],"activity":[3],"from":[4,28],"a":[5,22,40,54,68],"video":[6],"camera":[7],"is":[8],"simplified":[9],"by":[10,63],"the":[11,14,58,65,71],"knowledge":[12],"camera's":[15],"intrinsic":[16],"and":[17,48,61],"extrinsic":[18],"parameters.":[19],"We":[20,37,51],"describe":[21,53],"technique":[23,42],"to":[24],"estimate":[25],"such":[26],"parameters":[27],"image":[29],"observations":[30],"without":[31],"requiring":[32],"measurements":[33],"scene":[35],"objects.":[36],"first":[38],"develop":[39],"general":[41],"for":[43,56],"calibration":[44],"using":[45],"vanishing":[46,49],"points":[47,60],"line.":[50],"then":[52],"method":[55],"estimating":[57],"needed":[59],"line":[62],"observing":[64],"motion":[66],"in":[70],"scene.":[72],"Experimental":[73],"results,":[74],"including":[75],"error":[76],"estimates,":[77],"are":[78],"presented.":[79]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":7},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":9}],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2025-10-10T00:00:00"}
