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JGTOOLS
2006
107views more  JGTOOLS 2006»
10 years 4 months ago
Efficient Shadows for Sampled Environment Maps
This paper addresses the problem of efficiently calculating shadows from environment maps in the context of ray-tracing. Since accurate rendering of shadows from environment maps ...
Aner Ben-Artzi, Ravi Ramamoorthi, Maneesh Agrawala
CGF
2007
83views more  CGF 2007»
10 years 4 months ago
Visibility Sampling on GPU and Applications
In this paper, we show how recent GPUs can be used to very efficiently and conveniently sample the visibility between two surfaces, given a set of occluding triangles. We use bitw...
Elmar Eisemann, Xavier Décoret
CGF
2008
137views more  CGF 2008»
10 years 4 months ago
Exploiting Visibility Correlation in Direct Illumination
The visibility function in direct illumination describes the binary visibility over a light source, e.g., an environment map. Intuitively, the visibility is often strongly correla...
Petrik Clarberg, Tomas Akenine-Möller
CL
2010
Springer
10 years 4 months ago
Isolating untrusted software extensions by custom scoping rules
In a modern programming language, scoping rules determine the visibility of names in various regions of a program [15]. In this work, we examine the idea of allowing an applicatio...
Philip W. L. Fong, Simon A. Orr
CGF
2010
105views more  CGF 2010»
10 years 4 months ago
Visibility Editing For All-Frequency Shadow Design
We present an approach for editing shadows in all-frequency lighting environments. To support artistic control, we propose to decouple shadowing from lighting and focus on providi...
Juraj Obert, Fabio Pellacini, Sumanta N. Pattanaik
CGF
2010
104views more  CGF 2010»
10 years 4 months ago
Interactive, Multiresolution Image-Space Rendering for Dynamic Area Lighting
Area lights add tremendous realism, but rendering them interactively proves challenging. Integrating visibility is costly, even with current shadowing techniques, and existing met...
Greg Nichols, Rajeev Penmatsa, Chris Wyman
WSCG
2003
155views more  WSCG 2003»
10 years 5 months ago
Progressive Compression of Visibility Data for View-dependent Multiresolution Meshes
In this paper we present a lossless and optionally lossy compression method for precomputed visibility data for view-dependent multiresolution meshes, which supports out-of-core r...
Christopher Zach, Konrad F. Karner
GRAPHICSINTERFACE
2007
10 years 5 months ago
Optimized subdivisions for preprocessed visibility
This paper describes a new tool for preprocessed visibility. It puts together view space and object space partitioning in order to control the render cost and memory cost of the v...
Oliver Mattausch, Jirí Bittner, Peter Wonka...
CSCW
2008
ACM
10 years 6 months ago
Understanding the implications of social translucence for systems supporting communication at work
In this paper we describe a study that explored the implications of the Social Translucence framework for designing systems that support communications at work. Two systems design...
Agnieszka Matysiak Szóstek, Evangelos Karap...
RT
2000
Springer
10 years 7 months ago
Guaranteed Occlusion and Visibility in Cluster Hierarchical Radiosity
Visibility determination is the most expensive task in cluster hierarchical radiosity. Guaranteed full occlusion and full visibility can reduce these computations without causing ...
Luc Leblanc, Pierre Poulin
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