TERMIUM Plus®

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Record 1 1994-07-15

English

Subject field(s)
  • Mathematics
  • Artificial Intelligence
  • Computer Graphics
DEF

The mean square noise voltage across a resistance in thermal equilibrium is four times the product of the resistance, Boltzmann's constant, the absolute temperature, and the frequency range within which the voltage is measured.

OBS

Applied to image processing, this theorem states that if an image contains no spatial frequency (fc), then the original image can be reconstructed without distortion if it is sampled at a rate at least twice that of the specified frequency (2 fc). (WD, ISO 2382-30 Computer Vison, 1994).

French

Domaine(s)
  • Mathématiques
  • Intelligence artificielle
  • Infographie

Spanish

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