{"id":"https://openalex.org/W2296316032","doi":"https://doi.org/10.2312/ega.20091009","title":"A Hybrid GPU Rendering Pipeline for Alias-Free Hard Shadows","display_name":"A Hybrid GPU Rendering Pipeline for Alias-Free Hard Shadows","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W2296316032","doi":"https://doi.org/10.2312/ega.20091009","mag":"2296316032"},"language":"en","primary_location":{"id":"pmh:oai:CiteSeerX.psu:10.1.1.161.6137","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.161.6137","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://wwwcg.in.tum.de/Research/data/Publications/eg_area09_shadows.pdf","raw_type":"text"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.2312/ega.20091009","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5036571033","display_name":"Stefan Hertel","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Hertel, Stefan","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050260332","display_name":"Kai Hormann","orcid":"https://orcid.org/0000-0001-6455-4246"},"institutions":[{"id":"https://openalex.org/I43980791","display_name":"Clausthal University of Technology","ror":"https://ror.org/04qb8nc58","country_code":"DE","type":"education","lineage":["https://openalex.org/I43980791"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Hormann, Kai","raw_affiliation_strings":["Clausthal University of Technology, Clausthal-Zellerfeld, Germany"],"affiliations":[{"raw_affiliation_string":"Clausthal University of Technology, Clausthal-Zellerfeld, Germany","institution_ids":["https://openalex.org/I43980791"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5029621326","display_name":"R\u00fcdiger Westermann","orcid":"https://orcid.org/0000-0002-3394-0731"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Westermann, R\u00fcdiger","raw_affiliation_strings":["Technical University of Munich, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Technical University of Munich, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5036571033"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"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/T10719","display_name":"3D Shape Modeling and Analysis","score":0.9979000091552734,"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"}},{"id":"https://openalex.org/T10531","display_name":"Advanced Vision and Imaging","score":0.9894999861717224,"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/rendering","display_name":"Rendering (computer graphics)","score":0.700086236000061},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6971970796585083},{"id":"https://openalex.org/keywords/alias","display_name":"Alias","score":0.666634738445282},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics (images)","score":0.5058676600456238},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.4572654664516449},{"id":"https://openalex.org/keywords/tiled-rendering","display_name":"Tiled rendering","score":0.4516250491142273},{"id":"https://openalex.org/keywords/general-purpose-computing-on-graphics-processing-units","display_name":"General-purpose computing on graphics processing units","score":0.4179733693599701},{"id":"https://openalex.org/keywords/software-rendering","display_name":"Software rendering","score":0.30046969652175903},{"id":"https://openalex.org/keywords/computer-graphics","display_name":"Computer graphics","score":0.19283413887023926},{"id":"https://openalex.org/keywords/graphics","display_name":"Graphics","score":0.18520432710647583},{"id":"https://openalex.org/keywords/3d-computer-graphics","display_name":"3D computer graphics","score":0.1106327474117279},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.07466039061546326}],"concepts":[{"id":"https://openalex.org/C205711294","wikidata":"https://www.wikidata.org/wiki/Q176953","display_name":"Rendering (computer graphics)","level":2,"score":0.700086236000061},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6971970796585083},{"id":"https://openalex.org/C46681722","wikidata":"https://www.wikidata.org/wiki/Q4725589","display_name":"Alias","level":2,"score":0.666634738445282},{"id":"https://openalex.org/C121684516","wikidata":"https://www.wikidata.org/wiki/Q7600677","display_name":"Computer graphics (images)","level":1,"score":0.5058676600456238},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.4572654664516449},{"id":"https://openalex.org/C189059883","wikidata":"https://www.wikidata.org/wiki/Q7802119","display_name":"Tiled rendering","level":5,"score":0.4516250491142273},{"id":"https://openalex.org/C50630238","wikidata":"https://www.wikidata.org/wiki/Q971505","display_name":"General-purpose computing on graphics processing units","level":3,"score":0.4179733693599701},{"id":"https://openalex.org/C109772839","wikidata":"https://www.wikidata.org/wiki/Q2297645","display_name":"Software rendering","level":4,"score":0.30046969652175903},{"id":"https://openalex.org/C77660652","wikidata":"https://www.wikidata.org/wiki/Q150971","display_name":"Computer graphics","level":2,"score":0.19283413887023926},{"id":"https://openalex.org/C21442007","wikidata":"https://www.wikidata.org/wiki/Q1027879","display_name":"Graphics","level":2,"score":0.18520432710647583},{"id":"https://openalex.org/C66629338","wikidata":"https://www.wikidata.org/wiki/Q189177","display_name":"3D computer graphics","level":3,"score":0.1106327474117279},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.07466039061546326}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:CiteSeerX.psu:10.1.1.161.6137","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.161.6137","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://wwwcg.in.tum.de/Research/data/Publications/eg_area09_shadows.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.172.4547","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.172.4547","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://cg.in.tu-clausthal.de/papers/hormann/Hertel.2009.AHG.pdf","raw_type":"text"},{"id":"doi:10.2312/ega.20091009","is_oa":true,"landing_page_url":"https://doi.org/10.2312/ega.20091009","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"}],"best_oa_location":{"id":"doi:10.2312/ega.20091009","is_oa":true,"landing_page_url":"https://doi.org/10.2312/ega.20091009","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1489229580","https://openalex.org/W1559077311","https://openalex.org/W1588209080","https://openalex.org/W1798209079","https://openalex.org/W1991777702","https://openalex.org/W2083364416","https://openalex.org/W2139618623","https://openalex.org/W2152728055","https://openalex.org/W2156067784"],"related_works":["https://openalex.org/W2139618623","https://openalex.org/W2391304483","https://openalex.org/W1492772654","https://openalex.org/W2003963186","https://openalex.org/W67512125","https://openalex.org/W2380289943","https://openalex.org/W1989566930","https://openalex.org/W2153424622","https://openalex.org/W2125298313","https://openalex.org/W2352717597","https://openalex.org/W1032144916","https://openalex.org/W2393781424","https://openalex.org/W2363969564","https://openalex.org/W2064378611","https://openalex.org/W2051072947","https://openalex.org/W2367947199","https://openalex.org/W2349144104","https://openalex.org/W2316950522","https://openalex.org/W1987035867","https://openalex.org/W2358499884"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,72,93],"new":[3],"GPU":[4],"pipeline":[5],"for":[6,82,102],"rendering":[7],"per-pixel":[8],"exact":[9],"shadows":[10,133],"that":[11,25],"are":[12,127],"cast":[13],"by":[14],"point":[15],"lights":[16],"and":[17,35,49,136],"parallel":[18],"lights.":[19],"Our":[20],"approach":[21,89],"is":[22,95],"hybrid":[23],"in":[24,119,134],"it":[26],"uses":[27,98],"kD-tree":[28],"accelerated":[29],"ray-tracing":[30],"to":[31,37,46,54,90,100,129],"determine":[32],"shadow-ray":[33],"intersections,":[34],"rasterization":[36,99,114],"effectively":[38],"reduce":[39],"both":[40],"the":[41,50,76,80,106,113],"number":[42,51],"of":[43,52,59,75,116],"shadow":[44,68,85,142],"rays":[45],"be":[47,55],"traversed":[48],"sub-spaces":[53],"considered":[56],"along":[57],"each":[58,83],"these":[60],"rays.":[61],"To":[62],"achieve":[63],"this":[64,109],"we":[65,126],"introduce":[66],"conservative":[67,73],"maps,":[69],"which":[70,97],"store":[71],"estimate":[74],"first":[77],"intersection":[78,124],"with":[79,121],"scene":[81],"possible":[84],"ray.":[86],"A":[87],"novel":[88],"build":[91],"such":[92],"map":[94],"presented,":[96],"compute":[101,131],"every":[103],"shadow-map":[104],"pixel":[105],"triangles":[107],"intersecting":[108],"pixel.":[110],"By":[111],"exploiting":[112],"capacities":[115],"recent":[117],"GPUs":[118],"combination":[120],"accurate":[122],"ray-triangle":[123],"tests,":[125],"able":[128],"efficiently":[130],"alias-free":[132],"high-resolution":[135],"spatially":[137],"extended":[138],"scenes":[139],"where":[140],"classical":[141],"mapping":[143],"techniques":[144],"have":[145],"severe":[146],"difficulties.":[147]},"counts_by_year":[{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}