{"id":"https://openalex.org/W2137642136","doi":"https://doi.org/10.1109/icme.2008.4607607","title":"Efficient visibility projection on spherical polar coordinates for shadow rendering using geometry shader.","display_name":"Efficient visibility projection on spherical polar coordinates for shadow rendering using geometry shader.","publication_year":2008,"publication_date":"2008-06-01","ids":{"openalex":"https://openalex.org/W2137642136","doi":"https://doi.org/10.1109/icme.2008.4607607","mag":"2137642136"},"language":"en","primary_location":{"id":"doi:10.1109/icme.2008.4607607","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme.2008.4607607","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Multimedia and Expo","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/A5089288850","display_name":"Lingchun Li","orcid":"https://orcid.org/0000-0001-9902-0455"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Lingchun Li","raw_affiliation_strings":["School of Software, Shanghai Jiaotong University, China","School of Software, Shanghai\u00a0Jiao Tong\u00a0University, Shanghai"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Software, Shanghai Jiaotong University, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"School of Software, Shanghai\u00a0Jiao Tong\u00a0University, Shanghai","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031806934","display_name":"Xubo Yang","orcid":"https://orcid.org/0000-0002-8791-5451"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xubo Yang","raw_affiliation_strings":["School of Software, Shanghai Jiaotong University, China","School of Software, Shanghai\u00a0Jiao Tong\u00a0University, Shanghai"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Software, Shanghai Jiaotong University, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"School of Software, Shanghai\u00a0Jiao Tong\u00a0University, Shanghai","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5031397844","display_name":"Shuangjiu Xiao","orcid":"https://orcid.org/0009-0008-2354-6328"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuangjiu Xiao","raw_affiliation_strings":["School of Software, Shanghai Jiaotong University, China","School of Software, Shanghai\u00a0Jiao Tong\u00a0University, Shanghai"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Software, Shanghai Jiaotong University, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"School of Software, Shanghai\u00a0Jiao Tong\u00a0University, Shanghai","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5089288850"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.10795455,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1005","last_page":"1008"},"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":0.9987999796867371,"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":0.9943000078201294,"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/directx","display_name":"DirectX","score":0.8403598070144653},{"id":"https://openalex.org/keywords/precomputation","display_name":"Precomputation","score":0.8205322027206421},{"id":"https://openalex.org/keywords/rendering","display_name":"Rendering (computer graphics)","score":0.6948660612106323},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.6890647411346436},{"id":"https://openalex.org/keywords/shader","display_name":"Shader","score":0.6820064783096313},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6202096939086914},{"id":"https://openalex.org/keywords/real-time-rendering","display_name":"Real-time rendering","score":0.48679372668266296},{"id":"https://openalex.org/keywords/visibility","display_name":"Visibility","score":0.48512184619903564},{"id":"https://openalex.org/keywords/graphics-pipeline","display_name":"Graphics pipeline","score":0.4746716022491455},{"id":"https://openalex.org/keywords/polar-coordinate-system","display_name":"Polar coordinate system","score":0.4591180682182312},{"id":"https://openalex.org/keywords/cartesian-coordinate-system","display_name":"Cartesian coordinate system","score":0.43113505840301514},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.33581143617630005},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.3200245201587677},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2389930784702301},{"id":"https://openalex.org/keywords/graphics","display_name":"Graphics","score":0.20967695116996765},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17107230424880981},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15585851669311523},{"id":"https://openalex.org/keywords/computation","display_name":"Computation","score":0.14820554852485657},{"id":"https://openalex.org/keywords/3d-computer-graphics","display_name":"3D computer graphics","score":0.11481565237045288},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.11090260744094849}],"concepts":[{"id":"https://openalex.org/C544400634","wikidata":"https://www.wikidata.org/wiki/Q188695","display_name":"DirectX","level":2,"score":0.8403598070144653},{"id":"https://openalex.org/C159379195","wikidata":"https://www.wikidata.org/wiki/Q7239568","display_name":"Precomputation","level":3,"score":0.8205322027206421},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.6948660612106323},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.6890647411346436},{"id":"https://openalex.org/C177681979","wikidata":"https://www.wikidata.org/wiki/Q633182","display_name":"Shader","level":3,"score":0.6820064783096313},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6202096939086914},{"id":"https://openalex.org/C116921373","wikidata":"https://www.wikidata.org/wiki/Q2816483","display_name":"Real-time rendering","level":3,"score":0.48679372668266296},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.48512184619903564},{"id":"https://openalex.org/C173552908","wikidata":"https://www.wikidata.org/wiki/Q1366289","display_name":"Graphics pipeline","level":4,"score":0.4746716022491455},{"id":"https://openalex.org/C40069579","wikidata":"https://www.wikidata.org/wiki/Q62494","display_name":"Polar coordinate system","level":2,"score":0.4591180682182312},{"id":"https://openalex.org/C16038011","wikidata":"https://www.wikidata.org/wiki/Q62912","display_name":"Cartesian coordinate system","level":2,"score":0.43113505840301514},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.33581143617630005},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.3200245201587677},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2389930784702301},{"id":"https://openalex.org/C21442007","wikidata":"https://www.wikidata.org/wiki/Q1027879","display_name":"Graphics","level":2,"score":0.20967695116996765},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17107230424880981},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15585851669311523},{"id":"https://openalex.org/C45374587","wikidata":"https://www.wikidata.org/wiki/Q12525525","display_name":"Computation","level":2,"score":0.14820554852485657},{"id":"https://openalex.org/C66629338","wikidata":"https://www.wikidata.org/wiki/Q189177","display_name":"3D computer graphics","level":3,"score":0.11481565237045288},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.11090260744094849}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icme.2008.4607607","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme.2008.4607607","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Multimedia and Expo","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":8,"referenced_works":["https://openalex.org/W1965458840","https://openalex.org/W1977116206","https://openalex.org/W2027509884","https://openalex.org/W2053727973","https://openalex.org/W2164369380","https://openalex.org/W3000472182","https://openalex.org/W4238651787","https://openalex.org/W4243880698"],"related_works":["https://openalex.org/W1996488985","https://openalex.org/W2353926906","https://openalex.org/W2403188927","https://openalex.org/W2061921958","https://openalex.org/W2365479037","https://openalex.org/W2273884611","https://openalex.org/W2391915107","https://openalex.org/W2169352288","https://openalex.org/W2030731384","https://openalex.org/W2096570119"],"abstract_inverted_index":{"Visibility":[0],"precomputation":[1,27,87],"has":[2,15],"become":[3],"essential":[4],"for":[5,23,77,112],"PRT-based":[6],"rendering":[7],"involving":[8],"soft":[9],"shadows.":[10],"While":[11],"graphic":[12],"hardware":[13],"rasterization":[14,33],"been":[16],"increasingly":[17],"used":[18],"to":[19,37,44],"compute":[20],"visibility":[21,39,78,123],"information":[22],"a":[24,41,106],"mass":[25],"of":[26,32,55,61,89,93],"tasks,":[28],"the":[29,46,53,59,81,86,94,98,103,127],"linear":[30],"feature":[31],"makes":[34],"it":[35],"unadaptive":[36],"sample":[38],"in":[40,58,85],"coordinates":[42,48,84],"system,":[43],"which":[45,116],"Cartesian":[47],"are":[49,124],"non-linearly":[50],"mapped.":[51],"With":[52],"emergence":[54],"Geometry":[56,95],"Shader":[57,96],"framework":[60],"DirectX":[62,99],"10,":[63],"this":[64,70],"problem":[65],"can":[66],"be":[67],"solved.":[68],"In":[69,102],"paper,":[71],"we":[72],"present":[73],"an":[74],"efficient":[75],"solution":[76],"sampling":[79],"on":[80],"spherical":[82,107,117,128],"polar":[83,129],"stage":[88],"PRT":[90],"by":[91],"means":[92],"within":[97],"10":[100],"pipelines.":[101],"mean":[104],"time,":[105],"reparameterization":[108],"scheme":[109],"is":[110],"introduced":[111],"shadow":[113],"rendering,":[114],"under":[115],"functions":[118],"as":[119],"lighting,":[120],"BRDF":[121],"and":[122],"mapped":[125],"onto":[126],"coordinates.":[130]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-05-03T08:25:01.440150","created_date":"2025-10-10T00:00:00"}
