{"id":"https://openalex.org/W1612050613","doi":"https://doi.org/10.1109/iccis.2015.7274543","title":"Near point light source location estimation from shadow edge correspondence","display_name":"Near point light source location estimation from shadow edge correspondence","publication_year":2015,"publication_date":"2015-07-01","ids":{"openalex":"https://openalex.org/W1612050613","doi":"https://doi.org/10.1109/iccis.2015.7274543","mag":"1612050613"},"language":"en","primary_location":{"id":"doi:10.1109/iccis.2015.7274543","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccis.2015.7274543","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE 7th International Conference on Cybernetics and Intelligent Systems (CIS) and IEEE Conference on Robotics, Automation and Mechatronics (RAM)","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/A5112319302","display_name":"Nopporn Chotikakamthorn","orcid":null},"institutions":[{"id":"https://openalex.org/I91538806","display_name":"King Mongkut's Institute of Technology Ladkrabang","ror":"https://ror.org/055mf0v62","country_code":"TH","type":"education","lineage":["https://openalex.org/I91538806"]}],"countries":["TH"],"is_corresponding":true,"raw_author_name":"Nopporn Chotikakamthorn","raw_affiliation_strings":["Faculty of Information Technology, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, Thailand","Faculty of Information Technology, King Mongkut's Institute of Technology Ladkrabang Bangkok, Thailand"],"affiliations":[{"raw_affiliation_string":"Faculty of Information Technology, King Mongkut's Institute of Technology, Ladkrabang, Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]},{"raw_affiliation_string":"Faculty of Information Technology, King Mongkut's Institute of Technology Ladkrabang Bangkok, Thailand","institution_ids":["https://openalex.org/I91538806"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5112319302"],"corresponding_institution_ids":["https://openalex.org/I91538806"],"apc_list":null,"apc_paid":null,"fwci":0.3744,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.67039299,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"30","last_page":"35"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9994000196456909,"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/T11019","display_name":"Image Enhancement Techniques","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"}}],"keywords":[{"id":"https://openalex.org/keywords/shadow","display_name":"Shadow (psychology)","score":0.851325511932373},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.6784679889678955},{"id":"https://openalex.org/keywords/shadow-mapping","display_name":"Shadow mapping","score":0.6145415306091309},{"id":"https://openalex.org/keywords/light-source","display_name":"Light source","score":0.6104060411453247},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.6034332513809204},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6012104153633118},{"id":"https://openalex.org/keywords/enhanced-data-rates-for-gsm-evolution","display_name":"Enhanced Data Rates for GSM Evolution","score":0.5936610102653503},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5833252668380737},{"id":"https://openalex.org/keywords/point-source","display_name":"Point source","score":0.48132526874542236},{"id":"https://openalex.org/keywords/object","display_name":"Object (grammar)","score":0.45332071185112},{"id":"https://openalex.org/keywords/rgb-color-model","display_name":"RGB color model","score":0.415485143661499},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3275531530380249},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3009132742881775},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.2721303105354309},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2498820722103119},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1397874355316162}],"concepts":[{"id":"https://openalex.org/C117797892","wikidata":"https://www.wikidata.org/wiki/Q286363","display_name":"Shadow (psychology)","level":2,"score":0.851325511932373},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.6784679889678955},{"id":"https://openalex.org/C116544410","wikidata":"https://www.wikidata.org/wiki/Q1478122","display_name":"Shadow mapping","level":2,"score":0.6145415306091309},{"id":"https://openalex.org/C2982854487","wikidata":"https://www.wikidata.org/wiki/Q9128","display_name":"Light source","level":2,"score":0.6104060411453247},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.6034332513809204},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6012104153633118},{"id":"https://openalex.org/C162307627","wikidata":"https://www.wikidata.org/wiki/Q204833","display_name":"Enhanced Data Rates for GSM Evolution","level":2,"score":0.5936610102653503},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5833252668380737},{"id":"https://openalex.org/C103783831","wikidata":"https://www.wikidata.org/wiki/Q2552709","display_name":"Point source","level":2,"score":0.48132526874542236},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.45332071185112},{"id":"https://openalex.org/C82990744","wikidata":"https://www.wikidata.org/wiki/Q166194","display_name":"RGB color model","level":2,"score":0.415485143661499},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3275531530380249},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3009132742881775},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.2721303105354309},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2498820722103119},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1397874355316162},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.0},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iccis.2015.7274543","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccis.2015.7274543","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE 7th International Conference on Cybernetics and Intelligent Systems (CIS) and IEEE Conference on Robotics, Automation and Mechatronics (RAM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":26,"referenced_works":["https://openalex.org/W1552824887","https://openalex.org/W1619380744","https://openalex.org/W2004009863","https://openalex.org/W2040160828","https://openalex.org/W2051740346","https://openalex.org/W2069691420","https://openalex.org/W2095739321","https://openalex.org/W2095761827","https://openalex.org/W2098627874","https://openalex.org/W2103127056","https://openalex.org/W2104487652","https://openalex.org/W2134915967","https://openalex.org/W2145792510","https://openalex.org/W2160101883","https://openalex.org/W2168922899","https://openalex.org/W2174836358","https://openalex.org/W2218707347","https://openalex.org/W2322766218","https://openalex.org/W2398033502","https://openalex.org/W2561330338","https://openalex.org/W6632764026","https://openalex.org/W6636675397","https://openalex.org/W6674974394","https://openalex.org/W6688464726","https://openalex.org/W6700531143","https://openalex.org/W6712628112"],"related_works":["https://openalex.org/W2324461649","https://openalex.org/W1504907250","https://openalex.org/W4387143966","https://openalex.org/W4200295500","https://openalex.org/W2743826367","https://openalex.org/W2031094984","https://openalex.org/W2557434884","https://openalex.org/W2554280219","https://openalex.org/W2353014491","https://openalex.org/W2316352747"],"abstract_inverted_index":{"The":[0,11,53],"problem":[1],"of":[2],"near":[3,45],"point":[4,46],"light":[5,30,47],"source":[6,48],"location":[7,49],"estimation":[8,50],"is":[9,15,51,70],"considered.":[10],"approach":[12],"described":[13],"here":[14],"based":[16],"on":[17],"a":[18,42,59],"relationship":[19],"between":[20],"the":[21,25,29,73],"cast":[22],"shadow":[23],"edge,":[24],"shadow-casting":[26,60],"surface,":[27],"and":[28,64],"source.":[31],"Given":[32],"an":[33,39],"optical-depth":[34],"image":[35],"pair":[36],"available":[37],"from":[38],"RGB-D":[40],"camera,":[41],"method":[43,54],"for":[44],"described.":[52],"can":[55],"be":[56],"applied":[57],"to":[58],"object":[61],"with":[62,81],"arbitrary":[63],"unknown":[65],"geometry.":[66],"Exhaustive":[67],"multidimensional":[68],"search":[69,77],"avoided":[71],"by":[72],"proposed":[74],"iterative":[75],"one-dimensional":[76],"algorithm.":[78],"Experimental":[79],"results":[80],"real":[82],"images":[83],"are":[84],"included.":[85]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2026-03-25T13:04:00.132906","created_date":"2025-10-10T00:00:00"}
