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          Institute: MPI für Informatik     Collection: Computer Graphics Group     Display Documents



ID: 618877.0, MPI für Informatik / Computer Graphics Group
Bent Normals and Cones in Screen-space
Authors:Klehm, Oliver; Ritschel, Tobias; Eisemann, Elmar; Seidel, Hans-Peter
Language:English
Publisher:Eurographics Association
Place of Publication:Goslar, Germany
Date of Publication (YYYY-MM-DD):2011
Title of Proceedings:16th International Workshop on Vision, Modeling and Visualization
Start Page:177
End Page:182
Place of Conference/Meeting:Berlin, Germany
(Start) Date of Conference/Meeting
 (YYYY-MM-DD):
2011-10-04
End Date of Conference/Meeting 
 (YYYY-MM-DD):
2011-10-06
Audience:Experts Only
Intended Educational Use:No
Abstract / Description:Ambient occlusion (AO) is a popular technique for real-time as well as offline
rendering.
One of its benefits is a gain in efficiency due to the fact that occlusion and
shading are decoupled which results in an average occlusion that modulates the
surface shading.
Its main drawback is a loss of realism due to the lack of directional occlusion
and lighting.
As a solution, the use of bent normals was proposed for offline rendering.
This work describes how to compute bent normals and bent cones in combination
with screen-space ambient occlusion.
These extensions combine the speed and simplicity of AO with physically more
plausible lighting.
Last Change of the Resource (YYYY-MM-DD):2011-10-07
External Publication Status:published
Document Type:Conference-Paper
Communicated by:Hans-Peter Seidel
Affiliations:MPI für Informatik/Computer Graphics Group
Identifiers:LOCALID:C125675300671F7B-553297BEE234DBA3C1257922004C3F89-...
URL:http://www.mpi-inf.mpg.de/~oklehm/publications/201...
ISBN:978-3-905673-85-2
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