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JGTOOLS
2006
111views more  JGTOOLS 2006»
9 years 11 months ago
Stochastic Billboard Clouds for Interactive Foliage Rendering
We render tree foliage levels of detail (LODs) using a new adaptation of billboard clouds. Our contributions are a simple and efficient billboard cloud creation algorithm designed...
J. Dylan Lacewell, David Edwards, Peter Shirley, W...
JGTOOLS
2006
80views more  JGTOOLS 2006»
9 years 11 months ago
A Fast Method for Local Penetration Depth Computation
In this appendix, we provide some details on the data structures used to cluster the intersection segments. Although the data structures are fairly classical (a heap, a grid and a...
Stephane Redon, Ming C. Lin
JGTOOLS
2006
129views more  JGTOOLS 2006»
9 years 11 months ago
Direct Spherical Harmonic Transform of a Triangulated Mesh
Spherical harmonic transform plays an important role in research in shape description. Current computation methods involve expensive voxelization, and are prone to numerical error...
Mohamed-Hamed Mousa, Raphaëlle Chaine, Samir ...
JGTOOLS
2006
72views more  JGTOOLS 2006»
9 years 11 months ago
Efficient Generation of Poisson-Disk Sampling Patterns
Poisson Disk sampling patterns are of interest to the graphics community because their blue-noise properties are desirable in sampling patterns for rendering, illumination, and ot...
Thouis R. Jones
JGTOOLS
2006
96views more  JGTOOLS 2006»
9 years 11 months ago
Advanced Reaction-Diffusion Models for Texture Synthesis
Allen R. Sanderson, Robert M. Kirby, Chris R. John...
JGTOOLS
2006
199views more  JGTOOLS 2006»
9 years 11 months ago
Fast Approximation of High-Order Voronoi Diagrams and Distance Transforms on the GPU
We present a graphics hardware implementation of the tangent-plane algorithm for computing the kth-order Voronoi diagram of a set of point sites in image space. Correct and effici...
Ian Fischer, Craig Gotsman
JGTOOLS
2006
107views more  JGTOOLS 2006»
9 years 11 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
JGTOOLS
2006
125views more  JGTOOLS 2006»
9 years 11 months ago
GPU-Based Tiled Ray Casting Using Depth Peeling
We propose a new hardware ray casting algorithm for unstructured meshes composed of tetrahedral cells. Our work builds on the technique published at IEEE Visualization 2003 by Wei...
Fábio F. Bernardon, Christian Azambuja Pago...
JGTOOLS
2006
85views more  JGTOOLS 2006»
9 years 11 months ago
Smooth Penumbra Transitions with Shadow Maps
Willem H. de Boer
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