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.
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Gimp Tut  Remove Excess Noise with the Wavelet Denoise Plugin

Noise Reduction Based on PartialReference, DualTree Complex Wavelet Transform Shrinkage

2 Dimensional Wavelet Packet Spectrum for Texture Analysis
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External links
 Wavelet Noise Paper at pixar.com.
This page was last edited on 12 February 2019, at 00:37