{"id":"https://openalex.org/W1979408689","doi":"https://doi.org/10.1007/s00371-008-0245-9","title":"A GPU-based light hierarchy for real-time approximate illumination","display_name":"A GPU-based light hierarchy for real-time approximate illumination","publication_year":2008,"publication_date":"2008-05-28","ids":{"openalex":"https://openalex.org/W1979408689","doi":"https://doi.org/10.1007/s00371-008-0245-9","mag":"1979408689"},"language":"en","primary_location":{"id":"doi:10.1007/s00371-008-0245-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00371-008-0245-9","pdf_url":null,"source":{"id":"https://openalex.org/S73060445","display_name":"The Visual Computer","issn_l":"0178-2789","issn":["0178-2789","1432-2315"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Visual Computer","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/A5036674913","display_name":"Hyunwoo Ki","orcid":null},"institutions":[{"id":"https://openalex.org/I4210111753","display_name":"Korea Innotech (South Korea)","ror":"https://ror.org/01j9g7106","country_code":"KR","type":"company","lineage":["https://openalex.org/I4210111753"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyunwoo Ki","raw_affiliation_strings":["INNOACE Co., Ltd., Seoul, Korea","INNOACE Co., Ltd., Seoul, Korea#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"INNOACE Co., Ltd., Seoul, Korea","institution_ids":["https://openalex.org/I4210111753"]},{"raw_affiliation_string":"INNOACE Co., Ltd., Seoul, Korea#TAB#","institution_ids":["https://openalex.org/I4210111753"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103058087","display_name":"Kyoungsu Oh","orcid":"https://orcid.org/0000-0002-7106-7865"},"institutions":[{"id":"https://openalex.org/I141371507","display_name":"Soongsil University","ror":"https://ror.org/017xnm587","country_code":"KR","type":"education","lineage":["https://openalex.org/I141371507"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Kyoungsu Oh","raw_affiliation_strings":["Soongsil University, Seoul, Korea","Soongsil University,Seoul,Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Soongsil University, Seoul, Korea","institution_ids":["https://openalex.org/I141371507"]},{"raw_affiliation_string":"Soongsil University,Seoul,Korea","institution_ids":["https://openalex.org/I141371507"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5103058087"],"corresponding_institution_ids":["https://openalex.org/I141371507"],"apc_list":{"value":2390,"currency":"EUR","value_usd":2990},"apc_paid":null,"fwci":3.7223,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.92364004,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"24","issue":"7-9","first_page":"649","last_page":"658"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":1.0,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9991999864578247,"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9958000183105469,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/computer-science","display_name":"Computer science","score":0.8094978332519531},{"id":"https://openalex.org/keywords/tree-traversal","display_name":"Tree traversal","score":0.7346593737602234},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.7298598289489746},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.7108010053634644},{"id":"https://openalex.org/keywords/graphics-hardware","display_name":"Graphics hardware","score":0.6666122674942017},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics","score":0.5859429240226746},{"id":"https://openalex.org/keywords/software-rendering","display_name":"Software rendering","score":0.5690786838531494},{"id":"https://openalex.org/keywords/global-illumination","display_name":"Global illumination","score":0.5673496127128601},{"id":"https://openalex.org/keywords/graphics","display_name":"Graphics","score":0.5642455220222473},{"id":"https://openalex.org/keywords/real-time-computer-graphics","display_name":"Real-time computer graphics","score":0.5036985278129578},{"id":"https://openalex.org/keywords/real-time-rendering","display_name":"Real-time rendering","score":0.5001692771911621},{"id":"https://openalex.org/keywords/general-purpose-computing-on-graphics-processing-units","display_name":"General-purpose computing on graphics processing units","score":0.46934425830841064},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.4632946252822876},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4522453248500824},{"id":"https://openalex.org/keywords/opengl","display_name":"OpenGL","score":0.4385097324848175},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.416331946849823},{"id":"https://openalex.org/keywords/3d-computer-graphics","display_name":"3D computer graphics","score":0.33822888135910034},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2036227583885193},{"id":"https://openalex.org/keywords/visualization","display_name":"Visualization","score":0.18483087420463562}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8094978332519531},{"id":"https://openalex.org/C140745168","wikidata":"https://www.wikidata.org/wiki/Q1210082","display_name":"Tree traversal","level":2,"score":0.7346593737602234},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.7298598289489746},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.7108010053634644},{"id":"https://openalex.org/C18945957","wikidata":"https://www.wikidata.org/wiki/Q5597193","display_name":"Graphics hardware","level":3,"score":0.6666122674942017},{"id":"https://openalex.org/C77660652","wikidata":"https://www.wikidata.org/wiki/Q150971","display_name":"Computer graphics","level":2,"score":0.5859429240226746},{"id":"https://openalex.org/C109772839","wikidata":"https://www.wikidata.org/wiki/Q2297645","display_name":"Software rendering","level":4,"score":0.5690786838531494},{"id":"https://openalex.org/C89720835","wikidata":"https://www.wikidata.org/wiki/Q1531701","display_name":"Global illumination","level":3,"score":0.5673496127128601},{"id":"https://openalex.org/C21442007","wikidata":"https://www.wikidata.org/wiki/Q1027879","display_name":"Graphics","level":2,"score":0.5642455220222473},{"id":"https://openalex.org/C537207887","wikidata":"https://www.wikidata.org/wiki/Q2816483","display_name":"Real-time computer graphics","level":4,"score":0.5036985278129578},{"id":"https://openalex.org/C116921373","wikidata":"https://www.wikidata.org/wiki/Q2816483","display_name":"Real-time rendering","level":3,"score":0.5001692771911621},{"id":"https://openalex.org/C50630238","wikidata":"https://www.wikidata.org/wiki/Q971505","display_name":"General-purpose computing on graphics processing units","level":3,"score":0.46934425830841064},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.4632946252822876},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4522453248500824},{"id":"https://openalex.org/C2778305236","wikidata":"https://www.wikidata.org/wiki/Q178570","display_name":"OpenGL","level":3,"score":0.4385097324848175},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.416331946849823},{"id":"https://openalex.org/C66629338","wikidata":"https://www.wikidata.org/wiki/Q189177","display_name":"3D computer graphics","level":3,"score":0.33822888135910034},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2036227583885193},{"id":"https://openalex.org/C36464697","wikidata":"https://www.wikidata.org/wiki/Q451553","display_name":"Visualization","level":2,"score":0.18483087420463562}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1007/s00371-008-0245-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s00371-008-0245-9","pdf_url":null,"source":{"id":"https://openalex.org/S73060445","display_name":"The Visual Computer","issn_l":"0178-2789","issn":["0178-2789","1432-2315"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Visual Computer","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Sustainable cities and communities","score":0.4399999976158142,"id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321302","display_name":"Soongsil University","ror":"https://ror.org/017xnm587"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W8437397","https://openalex.org/W1492737984","https://openalex.org/W1544892689","https://openalex.org/W1597508330","https://openalex.org/W1741509062","https://openalex.org/W1965458840","https://openalex.org/W1966701964","https://openalex.org/W1973749247","https://openalex.org/W1974442306","https://openalex.org/W1974568352","https://openalex.org/W1975809426","https://openalex.org/W2002753124","https://openalex.org/W2014306887","https://openalex.org/W2022552637","https://openalex.org/W2026812847","https://openalex.org/W2037418484","https://openalex.org/W2040284954","https://openalex.org/W2052843220","https://openalex.org/W2105649179","https://openalex.org/W2116917412","https://openalex.org/W2120448006","https://openalex.org/W2140477530","https://openalex.org/W2150266006","https://openalex.org/W2153577057","https://openalex.org/W2154609172","https://openalex.org/W2163993644","https://openalex.org/W2164369380","https://openalex.org/W2165608046","https://openalex.org/W2172625127","https://openalex.org/W2295329974","https://openalex.org/W2296619671","https://openalex.org/W2912424718","https://openalex.org/W3136243606","https://openalex.org/W3137852684","https://openalex.org/W4230607471","https://openalex.org/W4231029584","https://openalex.org/W4231195395","https://openalex.org/W4237853542","https://openalex.org/W4244659560"],"related_works":["https://openalex.org/W2763192925","https://openalex.org/W4249671011","https://openalex.org/W1980994890","https://openalex.org/W1899326437","https://openalex.org/W60029494","https://openalex.org/W2255049076","https://openalex.org/W2026063955","https://openalex.org/W2098018988","https://openalex.org/W2241387964","https://openalex.org/W2087086045"],"abstract_inverted_index":null,"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-06-19T15:47:20.252518","created_date":"2025-10-10T00:00:00"}