Filtering solid Gabor noise
Ares Lagae,George Drettakis +1 more
- 25 Jul 2011
- Vol. 30, Iss: 4, pp 51
TL;DR: This paper shows that a slicing approach is required to preserve continuity across sharp edges, and presents a new noise function that supports anisotropic filtering of sliced solid noise, which is made possible by individually filtering the slices of Gabor kernels.
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Abstract: Solid noise is a fundamental tool in computer graphics. Surprisingly, no existing noise function supports both high-quality antialiasing and continuity across sharp edges. In this paper we show that a slicing approach is required to preserve continuity across sharp edges, and we present a new noise function that supports anisotropic filtering of sliced solid noise. This is made possible by individually filtering the slices of Gabor kernels, which requires the proper treatment of phase. This in turn leads to the introduction of the phase-augmented Gabor kernel and random-phase Gabor noise, our new noise function. We demonstrate that our new noise function supports both high-quality anti-aliasing and continuity across sharp edges, as well as anisotropy.
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References
An image synthesizer
Ken Perlin
- 01 Jul 1985
TL;DR: The concept of "solid texture" to the field of CGI is introduced and used to create very convincing representations of clouds, fire, water, stars, marble, wood, rock, soap films and crystal.
2K
•Book
An image synthesizer
Ken Perlin
- 01 Dec 1988
TL;DR: The Pixel Stream Editor as discussed by the authors is a pixel-level editor for computer generated imagery (CGI) that provides a very fast concept/implement/view iteration cycle, which is based on the concept of "solid texture".
1K
A Survey of Procedural Noise Functions
Ares Lagae,Sylvain Lefebvre,Robert L. Cook,Tony DeRose,George Drettakis,David S. Ebert,John P. Lewis,Ken Perlin,Matthias Zwicker +8 more
TL;DR: The goal is to provide both a valuable entry point into the field of procedural noise functions, as well as a comprehensive view of the field to the informed reader.
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