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  Approximating Dynamic Global Illumination in Image Space

Ritschel, T., Grosch, T., & Seidel, H.-P. (2009). Approximating Dynamic Global Illumination in Image Space. In ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games (pp. 75-82). New York: ACM.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-000F-1977-8 Versions-Permalink: https://hdl.handle.net/21.11116/0000-000E-2E90-C
Genre: Konferenzbeitrag

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 Urheber:
Ritschel, Tobias1, Autor           
Grosch, Thorsten1, Autor           
Seidel, Hans-Peter1, Autor                 
Affiliations:
1Computer Graphics, MPI for Informatics, Max Planck Society, ou_40047              

Inhalt

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Schlagwörter: -
 Zusammenfassung: Physically plausible illumination at real-time framerates is often achieved using approximations. One popular example is ambient occlusion (AO), for which very simple and efficient implementations are used extensively in production. Recent methods approximate AO between nearby geometry in screen space (SSAO). The key observation described in this paper is, that screen-space occlusion methods can be used to compute many more types of effects than just occlusion, such as directional shadows and indirect color bleeding. The proposed generalization has only a small overhead compared to classic SSAO, approximates direct and one-bounce light transport in screen space, can be combined with other methods that simulate transport for macro structures and is visually equivalent to SSAO in the worst case without introducing new artifacts. Since our method works in screen space, it does not depend on the geometric complexity. Plausible directional occlusion and indirect lighting effects can be displayed for large and fully dynamic scenes at real-time frame rates.

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Sprache(n): eng - English
 Datum: 2009-03-242009
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: New York : ACM
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 520488
Anderer: Local-ID: C125675300671F7B-40A583FA98914182C1257583005456DC-RitschelGS2009:SSDO
 Art des Abschluß: -

Veranstaltung

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Titel: Untitled Event
Veranstaltungsort: Boston, MA, USA
Start-/Enddatum: 2009-02-27 - 2009-03-01

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Titel: ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games
Genre der Quelle: Konferenzband
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: New York : ACM
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 75 - 82 Identifikator: ISBN: 978-1-60558-429-4