{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,25]],"date-time":"2026-03-25T14:24:13Z","timestamp":1774448653915,"version":"3.50.1"},"publisher-location":"New York, NY, USA","reference-count":35,"publisher":"ACM","license":[{"start":{"date-parts":[[2011,8,5]],"date-time":"2011-08-05T00:00:00Z","timestamp":1312502400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2011,8,5]]},"DOI":"10.1145\/2018323.2018327","type":"proceedings-article","created":{"date-parts":[[2011,8,10]],"date-time":"2011-08-10T16:16:32Z","timestamp":1312992992000},"page":"25-32","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":25,"title":["The alchemy screen-space ambient obscurance algorithm"],"prefix":"10.1145","author":[{"given":"Morgan","family":"McGuire","sequence":"first","affiliation":[{"name":"NVIDIA & Williams College"}]},{"given":"Brian","family":"Osman","sequence":"additional","affiliation":[{"name":"Vicarious Visions"}]},{"given":"Michael","family":"Bukowski","sequence":"additional","affiliation":[{"name":"Vicarious Visions"}]},{"given":"Padraic","family":"Hennessy","sequence":"additional","affiliation":[{"name":"Vicarious Visions"}]}],"member":"320","published-online":{"date-parts":[[2011,8,5]]},"reference":[{"key":"e_1_3_2_1_1_1","unstructured":"3D Hannibal 2008. Orc head. http:\/\/turbosquid.com\/3d-models\/orc-head-3d-3ds\/420140.  3D Hannibal 2008. Orc head. http:\/\/turbosquid.com\/3d-models\/orc-head-3d-3ds\/420140."},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"crossref","unstructured":"Akenine-M\u00f6ller T. Haines E. and Hoffman N. 2008. Real-Time Rendering 3rd Edition. A. K. Peters Ltd. Natick MA USA.  Akenine-M\u00f6ller T. Haines E. and Hoffman N. 2008. Real-Time Rendering 3rd Edition . A. K. Peters Ltd. Natick MA USA.","DOI":"10.1201\/b10644"},{"key":"e_1_3_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/1073204.1073319"},{"key":"e_1_3_2_1_4_1","unstructured":"Baraka 2010. Rock 02 May. http:\/\/turbosquid.com\/FullPreview\/Index.cfm\/ID\/528532.  Baraka 2010. Rock 02 May. http:\/\/turbosquid.com\/FullPreview\/Index.cfm\/ID\/528532."},{"key":"e_1_3_2_1_5_1","doi-asserted-by":"crossref","unstructured":"Bavoil L. and Sainz M. 2009. Multi-layer dual-resolution screen-space ambient occlusion. In ShaderX  7 W. Engel Ed.  Bavoil L. and Sainz M. 2009. Multi-layer dual-resolution screen-space ambient occlusion. In ShaderX 7 W. Engel Ed.","DOI":"10.1145\/1597990.1598035"},{"key":"e_1_3_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1145\/1597990.1598035"},{"key":"e_1_3_2_1_7_1","unstructured":"Bunnell M. 2005. Dynamic Ambient Occlusion and Indirect Lighting. NVIDIA Corporation.  Bunnell M. 2005. Dynamic Ambient Occlusion and Indirect Lighting . NVIDIA Corporation."},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1145\/357290.357293"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1145\/1404435.1404441"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1109\/MCG.2003.1198263"},{"key":"e_1_3_2_1_11_1","volume-title":"ShaderX  7","author":"Kajalin V."},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1145\/1730804.1730821"},{"key":"e_1_3_2_1_13_1","volume-title":"SIGGRAPH 2010 courses, ACM.","author":"Kaplanyan A.","year":"2010"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1145\/1053427.1053434"},{"key":"e_1_3_2_1_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1467-8659.2010.01728.x"},{"key":"e_1_3_2_1_16_1","volume-title":"SIGGRAPH 2002 courses, 331--338","author":"Landis H.","year":"2002"},{"key":"e_1_3_2_1_17_1","volume-title":"SIGGRAPH 2010 courses, ACM. in Global illumination across industries, http:\/\/cgg.mff.cuni.cz\/jaroslav\/gicourse2010\/.","author":"Larsson D.","year":"2010"},{"key":"e_1_3_2_1_18_1","doi-asserted-by":"publisher","DOI":"10.1145\/1730804.1730829"},{"key":"e_1_3_2_1_19_1","doi-asserted-by":"publisher","DOI":"10.1145\/1141911.1142016"},{"key":"e_1_3_2_1_20_1","volume-title":"SIGGRAPH 2010 courses, ACM.","author":"Martin S."},{"key":"e_1_3_2_1_21_1","doi-asserted-by":"publisher","DOI":"10.5555\/1921479.1921488"},{"key":"e_1_3_2_1_22_1","unstructured":"Meinl F. 2009. Crytek sponza. Refinement of Marco Dabrovic's model. http:\/\/crytek.com\/cryengine\/cryengine3\/downloads.  Meinl F. 2009. Crytek sponza. Refinement of Marco Dabrovic's model. http:\/\/crytek.com\/cryengine\/cryengine3\/downloads."},{"key":"e_1_3_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.1145\/192161.192244"},{"key":"e_1_3_2_1_24_1","doi-asserted-by":"publisher","DOI":"10.1145\/1281500.1281671"},{"key":"e_1_3_2_1_25_1","unstructured":"NVIDIA 2009. Enabling ambient occlusion in games. Online GeForce Guide viewed on April 3 2011. http:\/\/geforce.com\/#\/Optimize\/Guides\/ambient-occlusion.  NVIDIA 2009. Enabling ambient occlusion in games. Online GeForce Guide viewed on April 3 2011. http:\/\/geforce.com\/#\/Optimize\/Guides\/ambient-occlusion."},{"key":"e_1_3_2_1_26_1","doi-asserted-by":"publisher","DOI":"10.1145\/1230100.1230111"},{"key":"e_1_3_2_1_27_1","volume-title":"SIGGRAPH 2010 courses, ACM.","author":"Ownby J.-P."},{"key":"e_1_3_2_1_28_1","volume-title":"EUROGRAPHICS 2009 Areaspapers.","author":"Reinbothe C."},{"key":"e_1_3_2_1_29_1","doi-asserted-by":"publisher","DOI":"10.1145\/1507149.1507161"},{"key":"e_1_3_2_1_30_1","doi-asserted-by":"publisher","DOI":"10.1145\/1230100.1230113"},{"key":"e_1_3_2_1_31_1","doi-asserted-by":"publisher","DOI":"10.1145\/1837026.1837049"},{"key":"e_1_3_2_1_32_1","unstructured":"Stanford 1996. Dragon reconstructed from cyberware scan. http:\/\/graphics.stanford.edu\/data\/3Dscanrep\/.  Stanford 1996. Dragon reconstructed from cyberware scan. http:\/\/graphics.stanford.edu\/data\/3Dscanrep\/."},{"key":"e_1_3_2_1_33_1","doi-asserted-by":"publisher","DOI":"10.1109\/34.615450"},{"key":"e_1_3_2_1_34_1","doi-asserted-by":"publisher","DOI":"10.1109\/MCG.2010.19"},{"key":"e_1_3_2_1_35_1","volume-title":"Rendering Techniques '98","author":"Zhukov S."}],"event":{"name":"HPG '11: High Performance Graphics","location":"Vancouver British Columbia Canada","acronym":"HPG '11","sponsor":["SIGGRAPH ACM Special Interest Group on Computer Graphics and Interactive Techniques","EUROGRAPHICS The European Association for Computer Graphics"]},"container-title":["Proceedings of the ACM SIGGRAPH Symposium on High Performance Graphics"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2018323.2018327","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/2018323.2018327","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T11:00:04Z","timestamp":1750244404000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/2018323.2018327"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2011,8,5]]},"references-count":35,"alternative-id":["10.1145\/2018323.2018327","10.1145\/2018323"],"URL":"https:\/\/doi.org\/10.1145\/2018323.2018327","relation":{},"subject":[],"published":{"date-parts":[[2011,8,5]]},"assertion":[{"value":"2011-08-05","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}