{"id":"https://openalex.org/W2004101493","doi":"https://doi.org/10.1145/1900354.1900410","title":"Horizon-based screen-space ambient occlusion using mixture sampling","display_name":"Horizon-based screen-space ambient occlusion using mixture sampling","publication_year":2010,"publication_date":"2010-12-15","ids":{"openalex":"https://openalex.org/W2004101493","doi":"https://doi.org/10.1145/1900354.1900410","mag":"2004101493"},"language":"en","primary_location":{"id":"doi:10.1145/1900354.1900410","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1900354.1900410","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGGRAPH ASIA 2010 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/A5019408798","display_name":"Yunpeng Song","orcid":"https://orcid.org/0000-0002-4186-0408"},"institutions":[{"id":"https://openalex.org/I4210158342","display_name":"Intel (United Kingdom)","ror":"https://ror.org/058cxws58","country_code":"GB","type":"company","lineage":["https://openalex.org/I1343180700","https://openalex.org/I4210158342"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Yunpeng Song","raw_affiliation_strings":["Intel Cooperation"],"affiliations":[{"raw_affiliation_string":"Intel Cooperation","institution_ids":["https://openalex.org/I4210158342"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100453123","display_name":"Fang Liu","orcid":"https://orcid.org/0000-0003-3028-5927"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"funder","lineage":["https://openalex.org/I19820366"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fang Liu","raw_affiliation_strings":["Chinese Academy of Sciences"],"affiliations":[{"raw_affiliation_string":"Chinese Academy of Sciences","institution_ids":["https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033184241","display_name":"James Xu","orcid":"https://orcid.org/0000-0003-1782-5001"},"institutions":[{"id":"https://openalex.org/I4210158342","display_name":"Intel (United Kingdom)","ror":"https://ror.org/058cxws58","country_code":"GB","type":"company","lineage":["https://openalex.org/I1343180700","https://openalex.org/I4210158342"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"James Xu","raw_affiliation_strings":["Intel Cooperation"],"affiliations":[{"raw_affiliation_string":"Intel Cooperation","institution_ids":["https://openalex.org/I4210158342"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5019408798"],"corresponding_institution_ids":["https://openalex.org/I4210158342"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.09042187,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":93},"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9994999766349792,"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":0.9994999766349792,"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":0.9994000196456909,"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/T11019","display_name":"Image Enhancement Techniques","score":0.9973999857902527,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/attenuation","display_name":"Attenuation","score":0.6563930511474609},{"id":"https://openalex.org/keywords/occlusion","display_name":"Occlusion","score":0.6086353659629822},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.5826747417449951},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5600557327270508},{"id":"https://openalex.org/keywords/global-illumination","display_name":"Global illumination","score":0.5535580515861511},{"id":"https://openalex.org/keywords/visibility","display_name":"Visibility","score":0.520694375038147},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.5127166509628296},{"id":"https://openalex.org/keywords/point","display_name":"Point (geometry)","score":0.4411512315273285},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.42411917448043823},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.267713725566864},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.2572920620441437},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17581400275230408},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.13117027282714844}],"concepts":[{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.6563930511474609},{"id":"https://openalex.org/C2776268601","wikidata":"https://www.wikidata.org/wiki/Q968808","display_name":"Occlusion","level":2,"score":0.6086353659629822},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.5826747417449951},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5600557327270508},{"id":"https://openalex.org/C89720835","wikidata":"https://www.wikidata.org/wiki/Q1531701","display_name":"Global illumination","level":3,"score":0.5535580515861511},{"id":"https://openalex.org/C123403432","wikidata":"https://www.wikidata.org/wiki/Q654068","display_name":"Visibility","level":2,"score":0.520694375038147},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.5127166509628296},{"id":"https://openalex.org/C28719098","wikidata":"https://www.wikidata.org/wiki/Q44946","display_name":"Point (geometry)","level":2,"score":0.4411512315273285},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.42411917448043823},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.267713725566864},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.2572920620441437},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17581400275230408},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.13117027282714844},{"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},{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1900354.1900410","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1900354.1900410","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACM SIGGRAPH ASIA 2010 Posters","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6899999976158142,"display_name":"Sustainable cities and communities","id":"https://metadata.un.org/sdg/11"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1976928721","https://openalex.org/W1994977571","https://openalex.org/W2063995335"],"related_works":["https://openalex.org/W2392812199","https://openalex.org/W4200176076","https://openalex.org/W598185802","https://openalex.org/W2355516524","https://openalex.org/W2361471170","https://openalex.org/W2025616642","https://openalex.org/W1954972543","https://openalex.org/W2954738200","https://openalex.org/W2150899552","https://openalex.org/W2226280905"],"abstract_inverted_index":{"Ambient":[0],"occlusion":[1,23,68],"is":[2,25],"a":[3,26,72],"shading":[4],"method":[5],"which":[6,29],"approximates":[7,65],"the":[8,31,47,59,66],"global":[9],"illumination":[10,69],"by":[11,77],"taking":[12],"into":[13],"account":[14],"attenuation":[15],"of":[16],"light":[17],"due":[18],"to":[19,55],"occlusion.":[20],"Screen-space":[21],"ambient":[22,67],"(SSAO)":[24],"scene-independent":[27],"improvement":[28],"performs":[30],"visibility":[32],"test":[33],"using":[34,49],"depth":[35],"buffer":[36],"on":[37],"GPU":[38],"in":[39],"real":[40],"time.":[41],"Shanmugam":[42],"et.al":[43,63],"[2007]":[44],"efficiently":[45],"reconstructs":[46],"surface":[48,74],"spheres":[50],"that":[51],"can":[52],"be":[53],"projected":[54],"screen,":[56],"but":[57],"has":[58],"overocclusion":[60],"issue.":[61],"Bavoil":[62],"[2008]":[64],"A":[70],"at":[71],"given":[73],"point":[75],"P":[76]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
