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Packet-based Hierarchal Soft Shadow Mapping

hal.structure.identifierState Key Lab CAD&CG [HangZhou]
hal.structure.identifierS3 Graphics Co., Ltd. [China] [S3 Graphics]
dc.contributor.authorBAOGUANG, Yang
hal.structure.identifierState Key Lab CAD&CG [HangZhou]
dc.contributor.authorFENG, Jieqing
hal.structure.identifierLaboratoire Bordelais de Recherche en Informatique [LaBRI]
hal.structure.identifierVisualization and manipulation of complex data on wireless mobile devices [IPARLA ]
dc.contributor.authorGUENNEBAUD, Gael
hal.structure.identifierState Key Lab CAD&CG [HangZhou]
dc.contributor.authorLIU, Xinguo
dc.date.accessioned2024-04-15T09:51:38Z
dc.date.available2024-04-15T09:51:38Z
dc.date.issued2009
dc.identifier.issn0167-7055
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/198446
dc.description.abstractEnRecent soft shadow mapping techniques based on back-projection can render high quality soft shadows in real time. However, real time high quality rendering of large penumbrae is still challenging, especially when multi-layer shadow maps are used to reduce single light sample silhouette artifact. In this paper, we present an efficient algorithm to attack this problem. We first present a GPU-friendly packet-based approach rendering a packet of neighboring pixels together to amortize the cost of computing visibility factors. Then, we propose a hierarchical technique to quickly locate the contour edges, further reducing the computation cost. At last, we suggest a multi-view shadow map approach to reduce the single light sample artifact. We also demonstrate its higher image quality and higher efficiency compared to the existing depth peeling approaches.
dc.language.isoen
dc.publisherWiley
dc.title.enPacket-based Hierarchal Soft Shadow Mapping
dc.typeArticle de revue
dc.subject.halInformatique [cs]/Synthèse d'image et réalité virtuelle [cs.GR]
bordeaux.journalComputer Graphics Forum
bordeaux.page1121--1130
bordeaux.volume28
bordeaux.hal.laboratoriesLaboratoire Bordelais de Recherche en Informatique (LaBRI) - UMR 5800*
bordeaux.issue4
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierinria-00390541
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//inria-00390541v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Computer%20Graphics%20Forum&rft.date=2009&rft.volume=28&rft.issue=4&rft.spage=1121--1130&rft.epage=1121--1130&rft.eissn=0167-7055&rft.issn=0167-7055&rft.au=BAOGUANG,%20Yang&FENG,%20Jieqing&GUENNEBAUD,%20Gael&LIU,%20Xinguo&rft.genre=article


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