Wavelet noise
Encyclopedia
Wavelet noise is an alternative to Perlin noise
which reduces the problems of aliasing
and detail loss that are encountered when Perlin noise is summed into a fractal
.
Perlin noise
Perlin noise is a computer-generated visual effect developed by Ken Perlin, who won an Academy Award for its use in the motion picture Tron...
which reduces the problems of aliasing
Aliasing
In signal processing and related disciplines, aliasing refers to an effect that causes different signals to become indistinguishable when sampled...
and detail loss that are encountered when Perlin noise is summed into a fractal
Fractal
A fractal has been defined as "a rough or fragmented geometric shape that can be split into parts, each of which is a reduced-size copy of the whole," a property called self-similarity...
.
External links
- Wavelet Noise Paper at pixar.com.