{"id":"https://openalex.org/W1557430260","doi":"https://doi.org/10.1111/cgf.12195","title":"Multiple Light Source Estimation in a Single Image","display_name":"Multiple Light Source Estimation in a Single Image","publication_year":2013,"publication_date":"2013-08-20","ids":{"openalex":"https://openalex.org/W1557430260","doi":"https://doi.org/10.1111/cgf.12195","mag":"1557430260"},"language":"en","primary_location":{"is_oa":false,"landing_page_url":"https://doi.org/10.1111/cgf.12195","pdf_url":null,"source":{"id":"https://openalex.org/S67831204","display_name":"Computer Graphics Forum","issn_l":"0167-7055","issn":["0167-7055","1467-8659"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false},"type":"article","type_crossref":"journal-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/A5014497231","display_name":"Jorge L\u00f3pez\u2010Moreno","orcid":"https://orcid.org/0000-0001-6278-6940"},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]},{"id":"https://openalex.org/I1326498283","display_name":"Institut national de recherche en informatique et en automatique","ror":"https://ror.org/02kvxyf05","country_code":"FR","type":"government","lineage":["https://openalex.org/I1326498283"]}],"countries":["ES","FR"],"is_corresponding":false,"raw_author_name":"Jorge Lopez\u2010Moreno","raw_affiliation_strings":["REVES / INRIA Sophia-Antipolis; Sophia-Antipolis France","Universidad de Zaragoza; Zaragoza Spain"],"affiliations":[{"raw_affiliation_string":"Universidad de Zaragoza; Zaragoza Spain","institution_ids":["https://openalex.org/I255234318"]},{"raw_affiliation_string":"REVES / INRIA Sophia-Antipolis; Sophia-Antipolis France","institution_ids":["https://openalex.org/I1326498283"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031542229","display_name":"Elena Garc\u00e9s","orcid":"https://orcid.org/0000-0003-3509-8485"},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Elena Garces","raw_affiliation_strings":["Universidad de Zaragoza, Zaragoza. Spain"],"affiliations":[{"raw_affiliation_string":"Universidad de Zaragoza, Zaragoza. Spain","institution_ids":["https://openalex.org/I255234318"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028032741","display_name":"Sunil Hadap","orcid":null},"institutions":[{"id":"https://openalex.org/I1306409833","display_name":"Adobe Systems (United States)","ror":"https://ror.org/059tvcg64","country_code":"US","type":"company","lineage":["https://openalex.org/I1306409833"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sunil Hadap","raw_affiliation_strings":["Adobe Systems, Inc, San Jose, CA, USA"],"affiliations":[{"raw_affiliation_string":"Adobe Systems, Inc, San Jose, CA, USA","institution_ids":["https://openalex.org/I1306409833"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009902744","display_name":"Erik Reinhard","orcid":"https://orcid.org/0000-0001-9079-6572"},"institutions":[{"id":"https://openalex.org/I4210109712","display_name":"Max Planck Institute for Informatics","ror":"https://ror.org/01w19ak89","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210109712"]},{"id":"https://openalex.org/I149899117","display_name":"Max Planck Society","ror":"https://ror.org/01hhn8329","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Erik Reinhard","raw_affiliation_strings":["Computer Graphics, MPI for Informatics, Max Planck Society"],"affiliations":[{"raw_affiliation_string":"Computer Graphics, MPI for Informatics, Max Planck Society","institution_ids":["https://openalex.org/I4210109712","https://openalex.org/I149899117"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001550110","display_name":"Diego Guti\u00e9rrez","orcid":"https://orcid.org/0000-0002-7503-7022"},"institutions":[{"id":"https://openalex.org/I255234318","display_name":"Universidad de Zaragoza","ror":"https://ror.org/012a91z28","country_code":"ES","type":"education","lineage":["https://openalex.org/I255234318"]}],"countries":["ES"],"is_corresponding":false,"raw_author_name":"Diego Gutierrez","raw_affiliation_strings":["Universidad de Zaragoza, Zaragoza. Spain"],"affiliations":[{"raw_affiliation_string":"Universidad de Zaragoza, Zaragoza. Spain","institution_ids":["https://openalex.org/I255234318"]}]}],"institution_assertions":[],"countries_distinct_count":4,"institutions_distinct_count":5,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3710,"currency":"USD","value_usd":3710,"provenance":"doaj"},"apc_paid":null,"fwci":2.311,"has_fulltext":true,"fulltext_origin":"ngrams","cited_by_count":39,"citation_normalized_percentile":{"value":0.927595,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":95},"biblio":{"volume":"32","issue":"8","first_page":"170","last_page":"182"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998,"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":0.9998,"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/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.999,"subfield":{"id":"https://openalex.org/subfields/1704","display_name":"Computer Graphics and Computer-Aided Design"},"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/T11019","display_name":"Image Enhancement Techniques","score":0.9968,"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/achromatic-lens","display_name":"Achromatic lens","score":0.5177192},{"id":"https://openalex.org/keywords/ground-truth","display_name":"Ground truth","score":0.49801254},{"id":"https://openalex.org/keywords/compositing","display_name":"Compositing","score":0.4726773}],"concepts":[{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7276573},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.717628},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.69016075},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.5932938},{"id":"https://openalex.org/C121535716","wikidata":"https://www.wikidata.org/wiki/Q340600","display_name":"Achromatic lens","level":2,"score":0.5177192},{"id":"https://openalex.org/C146849305","wikidata":"https://www.wikidata.org/wiki/Q370766","display_name":"Ground truth","level":2,"score":0.49801254},{"id":"https://openalex.org/C129315195","wikidata":"https://www.wikidata.org/wiki/Q1121886","display_name":"Compositing","level":3,"score":0.4726773},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.46351042},{"id":"https://openalex.org/C44185422","wikidata":"https://www.wikidata.org/wiki/Q6002064","display_name":"Image-based modeling and rendering","level":3,"score":0.4562716},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.40746003},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.36807555},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.26600114},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.1578953},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.112063885},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":false,"landing_page_url":"https://doi.org/10.1111/cgf.12195","pdf_url":null,"source":{"id":"https://openalex.org/S67831204","display_name":"Computer Graphics Forum","issn_l":"0167-7055","issn":["0167-7055","1467-8659"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false}],"best_oa_location":null,"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":38,"referenced_works":["https://openalex.org/W1519809696","https://openalex.org/W1540621913","https://openalex.org/W1547678943","https://openalex.org/W1619380744","https://openalex.org/W1742181809","https://openalex.org/W1982762150","https://openalex.org/W1994831770","https://openalex.org/W2007527058","https://openalex.org/W2026700513","https://openalex.org/W2035694721","https://openalex.org/W2068575457","https://openalex.org/W2074629420","https://openalex.org/W2078065374","https://openalex.org/W2078144531","https://openalex.org/W2083779601","https://openalex.org/W2093533725","https://openalex.org/W2104487652","https://openalex.org/W2112164902","https://openalex.org/W2116093366","https://openalex.org/W2116407716","https://openalex.org/W2118304946","https://openalex.org/W2118439618","https://openalex.org/W2122514671","https://openalex.org/W2134273131","https://openalex.org/W2139924689","https://openalex.org/W2143443691","https://openalex.org/W2147597023","https://openalex.org/W2147821504","https://openalex.org/W2152005177","https://openalex.org/W2153079591","https://openalex.org/W2244684328","https://openalex.org/W2544806203","https://openalex.org/W2911709767","https://openalex.org/W3138446083","https://openalex.org/W4214948749","https://openalex.org/W4234552385","https://openalex.org/W4243560994","https://openalex.org/W4252016199"],"related_works":["https://openalex.org/W88163655","https://openalex.org/W3182299699","https://openalex.org/W2797881514","https://openalex.org/W2128329535","https://openalex.org/W2112614329","https://openalex.org/W2095660797","https://openalex.org/W2048402902","https://openalex.org/W2044576428","https://openalex.org/W1863533157","https://openalex.org/W1503414886"],"abstract_inverted_index":{"Abstract":[0],"Many":[1],"high\u2010level":[2],"image":[3,37,56,89,176],"processing":[4],"tasks":[5,34],"require":[6],"an":[7,135],"estimate":[8,83],"of":[9,16,93,120,123,141,146,151],"the":[10,17,22,84,121,139],"positions,":[11],"directions":[12,99],"and":[13,30,55,60,100,117,154,164,167,178],"relative":[14,101],"intensities":[15],"light":[18,124],"sources":[19],"that":[20,158],"illuminated":[21],"depicted":[23],"scene.":[24],"In":[25,74,103],"image\u2010based":[26],"rendering,":[27],"augmented":[28],"reality":[29],"computer":[31],"vision,":[32],"such":[33,174],"include":[35],"matching":[36],"contents":[38],"based":[39],"on":[40,114],"illumination,":[41],"inserting":[42],"rendered":[43],"synthetic":[44],"objects":[45],"into":[46],"a":[47,66,70,79,87,91,129,147],"natural":[48],"image,":[49,68],"intrinsic":[50],"images,":[51,155],"shape":[52],"from":[53,65],"shading":[54],"relighting.":[57],"Yet,":[58],"accurate":[59,165],"robust":[61,163],"illumination":[62,85],"estimation,":[63],"particularly":[64],"single":[67,88],"is":[69],"highly":[71],"ill\u2010posed":[72],"problem.":[73],"this":[75],"paper,":[76],"we":[77,108,127,156],"present":[78,128],"new":[80,148],"method":[81],"to":[82,105],"in":[86],"as":[90,175],"combination":[92],"achromatic":[94],"lights":[95],"with":[96],"their":[97],"3D":[98],"intensities.":[102],"contrast":[104],"previous":[106],"methods,":[107],"base":[109],"our":[110,159],"azimuth":[111],"angle":[112],"estimation":[113,140],"curve":[115],"fitting":[116],"recursive":[118],"refinement":[119],"number":[122],"sources.":[125],"Similarly,":[126],"novel":[130,172],"surface":[131],"normal":[132],"approximation":[133],"using":[134],"osculating":[136],"arc":[137],"for":[138],"zenith":[142],"angles.":[143],"By":[144],"means":[145],"data":[149,153],"set":[150],"ground\u2010truth":[152],"demonstrate":[157],"approach":[160],"produces":[161],"more":[162],"results,":[166],"show":[168],"its":[169],"versatility":[170],"through":[171],"applications":[173],"compositing":[177],"analysis.":[179]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W1557430260","counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":7},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1}],"updated_date":"2024-12-10T01:17:36.204329","created_date":"2016-06-24"}