noise

Functions to create noise samples of different distributions.

Functions

poisson_noise(intensity[, seed])

Poisson distributed noise with given intensity.

salt_pepper_noise(vector[, fraction, ...])

Add salt and pepper noise to vector.

uniform_noise(space[, low, high, seed])

Uniformly distributed noise in space, pointwise U(low, high).

white_noise(space[, mean, stddev, seed])

Standard gaussian noise in space, pointwise N(mean, stddev**2).