{"id":"https://openalex.org/W2170546681","doi":"https://doi.org/10.2312/egwr/egsr04/207-216","title":"Hardware Accelerated Visibility Preprocessing using Adaptive Sampling","display_name":"Hardware Accelerated Visibility Preprocessing using Adaptive Sampling","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W2170546681","doi":"https://doi.org/10.2312/egwr/egsr04/207-216","mag":"2170546681"},"language":"en","primary_location":{"id":"doi:10.2312/egwr/egsr04/207-216","is_oa":true,"landing_page_url":"https://doi.org/10.2312/egwr/egsr04/207-216","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/egwr/egsr04/207-216","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047355632","display_name":"Shaun Nirenstein","orcid":null},"institutions":[{"id":"https://openalex.org/I157614274","display_name":"University of Cape Town","ror":"https://ror.org/03p74gp79","country_code":"ZA","type":"education","lineage":["https://openalex.org/I157614274"]}],"countries":["ZA"],"is_corresponding":true,"raw_author_name":"Nirenstein, S.","raw_affiliation_strings":["University of Cape Town, South Africa"],"affiliations":[{"raw_affiliation_string":"University of Cape Town, South Africa","institution_ids":["https://openalex.org/I157614274"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023470451","display_name":"Edwin Blake","orcid":"https://orcid.org/0000-0002-7045-8813"},"institutions":[{"id":"https://openalex.org/I157614274","display_name":"University of Cape Town","ror":"https://ror.org/03p74gp79","country_code":"ZA","type":"education","lineage":["https://openalex.org/I157614274"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Blake, E.","raw_affiliation_strings":["University of Cape Town, South Africa"],"affiliations":[{"raw_affiliation_string":"University of Cape Town, South Africa","institution_ids":["https://openalex.org/I157614274"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5047355632"],"corresponding_institution_ids":["https://openalex.org/I157614274"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"207","last_page":"216"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9991000294685364,"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":0.9987999796867371,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7825057506561279},{"id":"https://openalex.org/keywords/visibility","display_name":"Visibility","score":0.7372244596481323},{"id":"https://openalex.org/keywords/preprocessor","display_name":"Preprocessor","score":0.6692833304405212},{"id":"https://openalex.org/keywords/polygon","display_name":"Polygon (computer graphics)","score":0.6203008890151978},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.5717999935150146},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.502173662185669},{"id":"https://openalex.org/keywords/graphics","display_name":"Graphics","score":0.4571324586868286},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.4540990889072418},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.4442833960056305},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4347347617149353},{"id":"https://openalex.org/keywords/exploit","display_name":"Exploit","score":0.43184998631477356},{"id":"https://openalex.org/keywords/minification","display_name":"Minification","score":0.43175357580184937},{"id":"https://openalex.org/keywords/approximation-error","display_name":"Approximation error","score":0.4284958839416504},{"id":"https://openalex.org/keywords/adaptive-sampling","display_name":"Adaptive sampling","score":0.41703125834465027},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.26468566060066223},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.26359182596206665},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12136942148208618},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.07680737972259521}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7825057506561279},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.7372244596481323},{"id":"https://openalex.org/C34736171","wikidata":"https://www.wikidata.org/wiki/Q918333","display_name":"Preprocessor","level":2,"score":0.6692833304405212},{"id":"https://openalex.org/C190694206","wikidata":"https://www.wikidata.org/wiki/Q3276654","display_name":"Polygon (computer graphics)","level":3,"score":0.6203008890151978},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.5717999935150146},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.502173662185669},{"id":"https://openalex.org/C21442007","wikidata":"https://www.wikidata.org/wiki/Q1027879","display_name":"Graphics","level":2,"score":0.4571324586868286},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.4540990889072418},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.4442833960056305},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4347347617149353},{"id":"https://openalex.org/C165696696","wikidata":"https://www.wikidata.org/wiki/Q11287","display_name":"Exploit","level":2,"score":0.43184998631477356},{"id":"https://openalex.org/C147764199","wikidata":"https://www.wikidata.org/wiki/Q6865248","display_name":"Minification","level":2,"score":0.43175357580184937},{"id":"https://openalex.org/C122383733","wikidata":"https://www.wikidata.org/wiki/Q865920","display_name":"Approximation error","level":2,"score":0.4284958839416504},{"id":"https://openalex.org/C2781395549","wikidata":"https://www.wikidata.org/wiki/Q4680762","display_name":"Adaptive sampling","level":3,"score":0.41703125834465027},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.26468566060066223},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.26359182596206665},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12136942148208618},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07680737972259521},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0},{"id":"https://openalex.org/C19499675","wikidata":"https://www.wikidata.org/wiki/Q232207","display_name":"Monte Carlo method","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2312/egwr/egsr04/207-216","is_oa":true,"landing_page_url":"https://doi.org/10.2312/egwr/egsr04/207-216","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"},{"id":"mag:2170546681","is_oa":false,"landing_page_url":"http://people.cs.uct.ac.za/~snirenst/Vis/nirenstein_aggressive.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306418299","display_name":"Eurographics Symposium on Rendering Techniques","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"Eurographics Symposium on Rendering Techniques","raw_type":null}],"best_oa_location":{"id":"doi:10.2312/egwr/egsr04/207-216","is_oa":true,"landing_page_url":"https://doi.org/10.2312/egwr/egsr04/207-216","pdf_url":null,"source":{"id":"https://openalex.org/S7407052899","display_name":"Eurographics","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W180786531","https://openalex.org/W1506703398","https://openalex.org/W1532081290","https://openalex.org/W1572208702","https://openalex.org/W1981632027","https://openalex.org/W2024336778","https://openalex.org/W2038628470","https://openalex.org/W2059683948","https://openalex.org/W2071516467","https://openalex.org/W2083600189","https://openalex.org/W2087078934","https://openalex.org/W2109862258","https://openalex.org/W2113227050","https://openalex.org/W2113610230","https://openalex.org/W2118544228","https://openalex.org/W2123531537","https://openalex.org/W2125364704","https://openalex.org/W2136696682","https://openalex.org/W2137020056","https://openalex.org/W2137931562","https://openalex.org/W2147155707","https://openalex.org/W2150575530","https://openalex.org/W2152920882","https://openalex.org/W2154070689","https://openalex.org/W2157814944","https://openalex.org/W2168086447","https://openalex.org/W3010070164","https://openalex.org/W3015554623"],"related_works":["https://openalex.org/W2123531537","https://openalex.org/W2083600189","https://openalex.org/W2152920882","https://openalex.org/W2113610230","https://openalex.org/W2154070689","https://openalex.org/W2136696682","https://openalex.org/W1506703398","https://openalex.org/W2137931562","https://openalex.org/W1996729471","https://openalex.org/W2058626379","https://openalex.org/W2243804738","https://openalex.org/W2147775031","https://openalex.org/W2109862258","https://openalex.org/W2062604373","https://openalex.org/W2157814944","https://openalex.org/W2018614448","https://openalex.org/W1553367245","https://openalex.org/W2121882038","https://openalex.org/W2063047289","https://openalex.org/W1994834969"],"abstract_inverted_index":{"We":[0,59,77,99],"present":[1,60],"a":[2,94,112],"novel":[3],"aggressive":[4],"visibility":[5,108],"preprocessing":[6],"technique":[7,13,67,103],"for":[8,111],"general":[9],"3D":[10],"scenes.":[11],"Our":[12],"exploits":[14],"commodity":[15],"graphics":[16],"hardware":[17],"and":[18,89],"is":[19,39,129],"faster":[20],"than":[21],"most":[22],"conservative":[23],"solutions,":[24],"while":[25],"simultaneously":[26],"not":[27],"overestimating":[28],"the":[29,63,127],"set":[30],"of":[31,36,41,65,73,97,121,126],"visible":[32],"polygons.":[33,76],"The":[34],"cost":[35],"this":[37],"benefit":[38],"that":[40,101],"potential":[42],"image":[43,49],"error.":[44],"In":[45],"order":[46],"to":[47,68],"reduce":[48],"error,":[50],"we":[51],"have":[52],"developed":[53],"an":[54,81,90],"effective":[55],"error":[56,84,119],"minimization":[57],"heuristic.":[58],"results":[61],"showing":[62,93],"application":[64],"our":[66,102],"highly":[69],"complex":[70],"scenes,":[71],"consisting":[72],"many":[74],"small":[75],"give":[78],"performance":[79],"results,":[80],"in":[82],"depth":[83],"analysis":[85,92],"using":[86],"various":[87],"metrics,":[88],"empirical":[91],"high":[95],"degree":[96],"scalability.":[98],"show":[100],"can":[104],"rapidly":[105],"compute":[106],"from-region":[107],"(1hr":[109],"19min":[110],"5":[113],"million":[114],"polygon":[115],"forest),":[116],"with":[117],"minimal":[118],"(0.3%":[120],"image).":[122],"On":[123],"average":[124],"91.3%":[125],"scene":[128],"culled.":[130]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}
