{"id":"https://openalex.org/W2289682477","doi":"https://doi.org/10.1145/2820926.2820929","title":"Fast indirect illumination using two virtual spherical gaussian lights","display_name":"Fast indirect illumination using two virtual spherical gaussian lights","publication_year":2015,"publication_date":"2015-11-02","ids":{"openalex":"https://openalex.org/W2289682477","doi":"https://doi.org/10.1145/2820926.2820929","mag":"2289682477"},"language":"en","primary_location":{"id":"doi:10.1145/2820926.2820929","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2820926.2820929","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH Asia 2015 Posters","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/A5000082719","display_name":"Yusuke Tokuyoshi","orcid":"https://orcid.org/0000-0002-6612-1812"},"institutions":[{"id":"https://openalex.org/I2802212502","display_name":"TiGenix (Spain)","ror":"https://ror.org/0202k4b21","country_code":"ES","type":"company","lineage":["https://openalex.org/I2802212502"]}],"countries":["ES"],"is_corresponding":true,"raw_author_name":"Yusuke Tokuyoshi","raw_affiliation_strings":["Sqaure Enix Co., Ltd"],"affiliations":[{"raw_affiliation_string":"Sqaure Enix Co., Ltd","institution_ids":["https://openalex.org/I2802212502"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5000082719"],"corresponding_institution_ids":["https://openalex.org/I2802212502"],"apc_list":null,"apc_paid":null,"fwci":1.6651,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.86946426,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"1"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10481","display_name":"Computer Graphics and Visualization Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9987000226974487,"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/T11408","display_name":"Advanced Optical Imaging Technologies","score":0.9954000115394592,"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/rendering","display_name":"Rendering (computer graphics)","score":0.7905710935592651},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7547810077667236},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.6664795875549316},{"id":"https://openalex.org/keywords/global-illumination","display_name":"Global illumination","score":0.6595042943954468},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.6060023903846741},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5545510053634644},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.5516775250434875},{"id":"https://openalex.org/keywords/specular-reflection","display_name":"Specular reflection","score":0.5125575065612793},{"id":"https://openalex.org/keywords/shadow-mapping","display_name":"Shadow mapping","score":0.4523899257183075},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.18558338284492493},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1183517575263977}],"concepts":[{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.7905710935592651},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7547810077667236},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.6664795875549316},{"id":"https://openalex.org/C89720835","wikidata":"https://www.wikidata.org/wiki/Q1531701","display_name":"Global illumination","level":3,"score":0.6595042943954468},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.6060023903846741},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5545510053634644},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.5516775250434875},{"id":"https://openalex.org/C118381688","wikidata":"https://www.wikidata.org/wiki/Q1079524","display_name":"Specular reflection","level":2,"score":0.5125575065612793},{"id":"https://openalex.org/C116544410","wikidata":"https://www.wikidata.org/wiki/Q1478122","display_name":"Shadow mapping","level":2,"score":0.4523899257183075},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.18558338284492493},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1183517575263977},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2820926.2820929","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2820926.2820929","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH Asia 2015 Posters","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":2,"referenced_works":["https://openalex.org/W1987212881","https://openalex.org/W2117731961"],"related_works":["https://openalex.org/W2397912953","https://openalex.org/W2124439461","https://openalex.org/W2367434614","https://openalex.org/W1741509062","https://openalex.org/W2099004500","https://openalex.org/W4388994528","https://openalex.org/W2077708435","https://openalex.org/W4376115546","https://openalex.org/W2414352797","https://openalex.org/W4243167425"],"abstract_inverted_index":{"A":[0],"virtual":[1,15],"spherical":[2,88],"Gaussian":[3,89],"light":[4,124],"(VSGL)":[5],"[Tokuyoshi":[6],"2015]":[7],"is":[8,47,56,113,161,170],"an":[9,164],"approximation":[10,112],"of":[11,14,23,163],"a":[12,86,122,128,139,143,158],"set":[13],"point":[16],"lights":[17],"(VPLs)":[18],"for":[19,59,115],"real-time":[20],"rendering.":[21],"Thousands":[22],"VSGLs":[24,134],"can":[25],"be":[26],"dynamically":[27],"generated":[28],"using":[29,76,142],"mipmapped":[30],"specialized":[31,140],"reflective":[32],"shadow":[33],"maps":[34],"(RSMs)":[35],"to":[36,50,91],"render":[37],"glossy":[38,70],"indirect":[39,71],"illumination":[40,72],"at":[41,53,101],"20-30":[42,54],"ms.":[43],"Although":[44],"this":[45,81,136],"approach":[46],"efficient":[48],"compared":[49],"VPLs,":[51],"rendering":[52],"ms":[55,75],"still":[57],"expensive":[58],"some":[60],"time-sensitive":[61],"applications":[62],"such":[63],"as":[64],"video":[65],"games.":[66],"This":[67,110],"poster":[68,137],"demonstrates":[69],"in":[73,127],"1":[74],"only":[77,153,172],"two":[78,108,133],"VSGLs.":[79,109],"In":[80],"poster,":[82],"each":[83],"VSGL":[84],"has":[85],"single":[87],"lobe":[90],"represent":[92],"radiant":[93],"intensity,":[94],"and":[95,98],"thus":[96],"diffuse":[97],"specular":[99],"reflections":[100],"the":[102,167],"second":[103],"bounce":[104],"are":[105,118],"represented":[106],"with":[107,157],"rough":[111],"suitable":[114],"scenes":[116],"which":[117],"locally":[119],"lit":[120],"by":[121],"spot":[123],"(e.g.,":[125],"flashlight":[126],"cave).":[129],"To":[130],"generate":[131],"these":[132],"dynamically,":[135],"presents":[138],"implementation":[141,151],"parallel":[144],"summation":[145],"algorithm.":[146],"Other":[147],"than":[148],"RSMs,":[149],"our":[150],"uses":[152],"small":[154],"temporary":[155],"buffers":[156],"resolution":[159],"that":[160],"1/64":[162],"RSM.":[165],"Therefore,":[166],"proposed":[168],"method":[169],"not":[171],"fast,":[173],"but":[174],"also":[175],"memory":[176],"saving.":[177]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2016,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}