{"id":"https://openalex.org/W2060289224","doi":"https://doi.org/10.1145/1597990.1598035","title":"Multi-layer dual-resolution screen-space ambient occlusion","display_name":"Multi-layer dual-resolution screen-space ambient occlusion","publication_year":2009,"publication_date":"2009-08-03","ids":{"openalex":"https://openalex.org/W2060289224","doi":"https://doi.org/10.1145/1597990.1598035","mag":"2060289224"},"language":"en","primary_location":{"id":"doi:10.1145/1597990.1598035","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1597990.1598035","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH 2009: Talks","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/A5020453160","display_name":"Louis Bavoil","orcid":null},"institutions":[{"id":"https://openalex.org/I4210127875","display_name":"Nvidia (United States)","ror":"https://ror.org/03jdj4y14","country_code":"US","type":"company","lineage":["https://openalex.org/I4210127875"]},{"id":"https://openalex.org/I1304085615","display_name":"Nvidia (United Kingdom)","ror":"https://ror.org/02kr42612","country_code":"GB","type":"company","lineage":["https://openalex.org/I1304085615","https://openalex.org/I4210127875"]}],"countries":["GB","US"],"is_corresponding":true,"raw_author_name":"Louis Bavoil","raw_affiliation_strings":["NVIDIA Corporation","NVIDIA.CORPORATION"],"affiliations":[{"raw_affiliation_string":"NVIDIA Corporation","institution_ids":["https://openalex.org/I4210127875"]},{"raw_affiliation_string":"NVIDIA.CORPORATION","institution_ids":["https://openalex.org/I1304085615"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008378902","display_name":"Miguel Sa\u00ednz","orcid":null},"institutions":[{"id":"https://openalex.org/I1304085615","display_name":"Nvidia (United Kingdom)","ror":"https://ror.org/02kr42612","country_code":"GB","type":"company","lineage":["https://openalex.org/I1304085615","https://openalex.org/I4210127875"]},{"id":"https://openalex.org/I4210127875","display_name":"Nvidia (United States)","ror":"https://ror.org/03jdj4y14","country_code":"US","type":"company","lineage":["https://openalex.org/I4210127875"]}],"countries":["GB","US"],"is_corresponding":false,"raw_author_name":"Miguel Sainz","raw_affiliation_strings":["NVIDIA Corporation","NVIDIA.CORPORATION"],"affiliations":[{"raw_affiliation_string":"NVIDIA Corporation","institution_ids":["https://openalex.org/I4210127875"]},{"raw_affiliation_string":"NVIDIA.CORPORATION","institution_ids":["https://openalex.org/I1304085615"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5020453160"],"corresponding_institution_ids":["https://openalex.org/I4210127875","https://openalex.org/I1304085615"],"apc_list":null,"apc_paid":null,"fwci":5.58029703,"has_fulltext":false,"cited_by_count":53,"citation_normalized_percentile":{"value":0.96860835,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"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/T11019","display_name":"Image Enhancement Techniques","score":0.9944000244140625,"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/T11019","display_name":"Image Enhancement Techniques","score":0.9944000244140625,"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9943000078201294,"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":0.9904000163078308,"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/ray-tracing","display_name":"Ray tracing (physics)","score":0.7565580606460571},{"id":"https://openalex.org/keywords/occlusion","display_name":"Occlusion","score":0.505066454410553},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.49665671586990356},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.45801395177841187},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.45790740847587585},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.44741952419281006},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.4069911241531372},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.3987891674041748},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.3772764801979065},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3275962471961975},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3028548061847687},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2329799234867096}],"concepts":[{"id":"https://openalex.org/C121483023","wikidata":"https://www.wikidata.org/wiki/Q7298343","display_name":"Ray tracing (physics)","level":2,"score":0.7565580606460571},{"id":"https://openalex.org/C2776268601","wikidata":"https://www.wikidata.org/wiki/Q968808","display_name":"Occlusion","level":2,"score":0.505066454410553},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.49665671586990356},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.45801395177841187},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.45790740847587585},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.44741952419281006},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.4069911241531372},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3987891674041748},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.3772764801979065},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3275962471961975},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3028548061847687},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2329799234867096},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1597990.1598035","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1597990.1598035","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"SIGGRAPH 2009: Talks","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.7900000214576721}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W16879164","https://openalex.org/W64913037","https://openalex.org/W65018654","https://openalex.org/W126446084","https://openalex.org/W1502588543","https://openalex.org/W1968126696","https://openalex.org/W1976928721","https://openalex.org/W2030716039","https://openalex.org/W2038763636","https://openalex.org/W2040050580","https://openalex.org/W2063995335","https://openalex.org/W2069476376","https://openalex.org/W2104600947","https://openalex.org/W2141247501","https://openalex.org/W2152532388","https://openalex.org/W2160451035","https://openalex.org/W2245594223","https://openalex.org/W2941610626"],"related_works":["https://openalex.org/W2362774332","https://openalex.org/W4249245269","https://openalex.org/W2765548132","https://openalex.org/W2025681766","https://openalex.org/W2542402767","https://openalex.org/W2158056054","https://openalex.org/W3023086044","https://openalex.org/W2294441925","https://openalex.org/W2142226356","https://openalex.org/W3210000161"],"abstract_inverted_index":{"Ambient":[0],"occlusion":[1,53],"(AO)":[2],"is":[3,55],"a":[4,13,46],"lighting":[5],"model":[6],"that":[7,39,59],"approximates":[8],"the":[9,29,35,61,65,87],"diffuse":[10],"illumination":[11],"of":[12,37,64,72,89],"surface":[14],"based":[15],"on":[16],"its":[17,73],"directly":[18],"visible":[19],"occluders.":[20],"It":[21],"can":[22],"be":[23],"rendered":[24,67],"by":[25],"tracing":[26],"rays":[27,38],"through":[28],"normal-oriented":[30],"unit":[31],"hemisphere,":[32],"and":[33],"returning":[34],"percentage":[36],"do":[40],"no":[41],"hit":[42],"any":[43],"geometry":[44,92],"at":[45],"distance":[47],"d":[48],"<":[49],"R.":[50],"Screen-space":[51],"ambient":[52],"(SSAO)":[54],"an":[56,70],"image-based":[57],"approach":[58],"uses":[60],"depth":[62],"buffer":[63],"current":[66],"scene":[68],"as":[69,82],"approximation":[71],"geometry.":[74],"Therefore,":[75],"compared":[76],"to":[77],"other":[78],"AO":[79],"algorithms":[80],"such":[81],"ray":[83],"tracing,":[84],"SSAO":[85],"has":[86],"advantage":[88],"handling":[90],"dynamic":[91],"with":[93],"significantly":[94],"lower":[95],"overhead.":[96]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
