{"id":"https://openalex.org/W1534411320","doi":"https://doi.org/10.1109/icip.2004.1421843","title":"Linear camera autocalibration with varying parameters","display_name":"Linear camera autocalibration with varying parameters","publication_year":2005,"publication_date":"2005-04-19","ids":{"openalex":"https://openalex.org/W1534411320","doi":"https://doi.org/10.1109/icip.2004.1421843","mag":"1534411320"},"language":"en","primary_location":{"id":"doi:10.1109/icip.2004.1421843","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2004.1421843","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 International Conference on Image Processing, 2004. ICIP '04.","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://oa.upm.es/10419/1/ICIP2004_LinearCameraAutocalibration.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5098036318","display_name":"A. Valdis","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. Valdis","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111442100","display_name":"John Louise R. Ronda","orcid":null},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"J.L. Ronda","raw_affiliation_strings":["Departmento de Senales, Sistemas y Radiocomunicaciones, Universidad Politecnica de Madrid, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departmento de Senales, Sistemas y Radiocomunicaciones, Universidad Politecnica de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068567652","display_name":"Guillermo Gallego","orcid":"https://orcid.org/0000-0002-2672-9241"},"institutions":[{"id":"https://openalex.org/I88060688","display_name":"Universidad Polit\u00e9cnica de Madrid","ror":"https://ror.org/03n6nwv02","country_code":"ES","type":"education","lineage":["https://openalex.org/I88060688"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"G. Gallego","raw_affiliation_strings":["Departmento de Senales, Sistemas y Radiocomunicaciones, Universidad Politecnica de Madrid, Madrid, Spain"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departmento de Senales, Sistemas y Radiocomunicaciones, Universidad Politecnica de Madrid, Madrid, Spain","institution_ids":["https://openalex.org/I88060688"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8973,"has_fulltext":true,"cited_by_count":4,"citation_normalized_percentile":{"value":0.74970227,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"5","issue":null,"first_page":"3395","last_page":"3398"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","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/T10531","display_name":"Advanced Vision and Imaging","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/T10638","display_name":"Optical measurement and interference techniques","score":0.9986000061035156,"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/T13114","display_name":"Image Processing Techniques and Applications","score":0.9957000017166138,"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/conic-section","display_name":"Conic section","score":0.803979754447937},{"id":"https://openalex.org/keywords/skew","display_name":"Skew","score":0.7313165068626404},{"id":"https://openalex.org/keywords/initialization","display_name":"Initialization","score":0.6616507172584534},{"id":"https://openalex.org/keywords/euclidean-geometry","display_name":"Euclidean geometry","score":0.5481663942337036},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5440763831138611},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5408909320831299},{"id":"https://openalex.org/keywords/set","display_name":"Set (abstract data type)","score":0.5145475268363953},{"id":"https://openalex.org/keywords/calibration","display_name":"Calibration","score":0.5097007751464844},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.49401432275772095},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.4926925301551819},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4641987085342407},{"id":"https://openalex.org/keywords/vanishing-point","display_name":"Vanishing point","score":0.4521222710609436},{"id":"https://openalex.org/keywords/computational-geometry","display_name":"Computational geometry","score":0.41322046518325806},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.37877678871154785},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.18808794021606445},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.1830122470855713}],"concepts":[{"id":"https://openalex.org/C108598597","wikidata":"https://www.wikidata.org/wiki/Q124255","display_name":"Conic section","level":2,"score":0.803979754447937},{"id":"https://openalex.org/C43711488","wikidata":"https://www.wikidata.org/wiki/Q7534783","display_name":"Skew","level":2,"score":0.7313165068626404},{"id":"https://openalex.org/C114466953","wikidata":"https://www.wikidata.org/wiki/Q6034165","display_name":"Initialization","level":2,"score":0.6616507172584534},{"id":"https://openalex.org/C129782007","wikidata":"https://www.wikidata.org/wiki/Q162886","display_name":"Euclidean geometry","level":2,"score":0.5481663942337036},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5440763831138611},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5408909320831299},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.5145475268363953},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.5097007751464844},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.49401432275772095},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.4926925301551819},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4641987085342407},{"id":"https://openalex.org/C99404194","wikidata":"https://www.wikidata.org/wiki/Q163362","display_name":"Vanishing point","level":3,"score":0.4521222710609436},{"id":"https://openalex.org/C29123130","wikidata":"https://www.wikidata.org/wiki/Q874709","display_name":"Computational geometry","level":2,"score":0.41322046518325806},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.37877678871154785},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.18808794021606445},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.1830122470855713},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","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/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icip.2004.1421843","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icip.2004.1421843","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 International Conference on Image Processing, 2004. ICIP '04.","raw_type":"proceedings-article"},{"id":"pmh:oai:oa.upm.es:10419","is_oa":true,"landing_page_url":"https://oa.upm.es/10419/","pdf_url":"https://oa.upm.es/10419/1/ICIP2004_LinearCameraAutocalibration.pdf","source":{"id":"https://openalex.org/S4306402421","display_name":"Archivo Digital UPM (Universidad Polit\u00e9cnica de Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I88060688","host_organization_name":"Universidad Polit\u00e9cnica de Madrid","host_organization_lineage":["https://openalex.org/I88060688"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Conference on Image Processing (ICIP) | IEEE International Conference on Image Processing (ICIP) | 24-27 Oct 2004 | Singapore","raw_type":"info:eu-repo/semantics/acceptedVersion"}],"best_oa_location":{"id":"pmh:oai:oa.upm.es:10419","is_oa":true,"landing_page_url":"https://oa.upm.es/10419/","pdf_url":"https://oa.upm.es/10419/1/ICIP2004_LinearCameraAutocalibration.pdf","source":{"id":"https://openalex.org/S4306402421","display_name":"Archivo Digital UPM (Universidad Polit\u00e9cnica de Madrid)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I88060688","host_organization_name":"Universidad Polit\u00e9cnica de Madrid","host_organization_lineage":["https://openalex.org/I88060688"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE International Conference on Image Processing (ICIP) | IEEE International Conference on Image Processing (ICIP) | 24-27 Oct 2004 | Singapore","raw_type":"info:eu-repo/semantics/acceptedVersion"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1534411320.pdf","grobid_xml":"https://content.openalex.org/works/W1534411320.grobid-xml"},"referenced_works_count":16,"referenced_works":["https://openalex.org/W1482521405","https://openalex.org/W1489405158","https://openalex.org/W1960801737","https://openalex.org/W2002256894","https://openalex.org/W2019769120","https://openalex.org/W2033819227","https://openalex.org/W2065592949","https://openalex.org/W2113888187","https://openalex.org/W2130853572","https://openalex.org/W2151285962","https://openalex.org/W2154475421","https://openalex.org/W3021282624","https://openalex.org/W3189450441","https://openalex.org/W4388320451","https://openalex.org/W6628965982","https://openalex.org/W6676908456"],"related_works":["https://openalex.org/W4300566153","https://openalex.org/W2795378890","https://openalex.org/W2804689728","https://openalex.org/W2946724620","https://openalex.org/W2012685253","https://openalex.org/W2037437483","https://openalex.org/W3100053256","https://openalex.org/W2373292822","https://openalex.org/W2367565090","https://openalex.org/W4312974591"],"abstract_inverted_index":{"We":[0,73],"provide":[1],"a":[2,10,14],"new":[3],"technique":[4],"for":[5,13],"the":[6,59,64,70,78,82],"Euclidean":[7],"upgrading":[8],"of":[9,16,45,66,81],"projective":[11],"calibration":[12],"set":[15,65],"ten":[17],"or":[18],"more":[19],"cameras":[20],"with":[21,69],"known":[22],"skew":[23],"angle":[24],"and":[25,28,33,43,50],"aspect":[26],"ratio":[27],"arbitrary":[29],"varying":[30],"focal":[31],"length":[32],"principal":[34],"point.":[35],"The":[36],"proposed":[37],"algorithm,":[38],"which":[39,76],"is":[40,56],"purely":[41],"linear":[42],"thus":[44],"very":[46],"low":[47],"computational":[48],"cost":[49],"not":[51],"suffering":[52],"from":[53],"initialization":[54],"problems,":[55],"based":[57],"on":[58],"geometric":[60],"object":[61],"given":[62],"by":[63],"lines":[67],"incident":[68],"absolute":[71],"conic.":[72],"include":[74],"experiments,":[75],"show":[77],"good":[79],"performance":[80],"technique.":[83]},"counts_by_year":[{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
