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Noise (spectral phenomenon)

From Wikipedia, the free encyclopedia

Noise refers to many types of random or unwanted signals, most commonly acoustic noise, but also including the following:

Acoustic noise

In transportation

Other acoustic noise

Noise in biology

Noise in computer graphics

Noise in computer graphics refers to various pseudo-random functions used to create textures, including:

  • Gradient noise, created by interpolation of a lattice of pseudorandom gradients
  • Simplex noise, a method for constructing an n-dimensional noise function comparable to Perlin noise
  • Simulation noise, a function that creates a divergence-free field
  • Value noise, created by interpolation of a lattice of pseudorandom values; differs from gradient noise
  • Wavelet noise, an alternative to Perlin noise which reduces problems of aliasing and detail loss
  • Worley noise, a noise function introduced by Steven Worley in 1996

Noise in electronics and radio

Noise in mathematics

Other types of noise

Measures of noise intensity

See also

This page was last edited on 12 September 2020, at 04:07
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