lentil.detector.read_noise

lentil.detector.read_noise(img, electrons, seed=None)

Apply read noise to a frame

Parameters:

• img (array_like) – Array of electrons

• electrons (int) – Read noise per frame

• seed (None, int, or array_like, optional) – Random seed used to initialize the pseudo-random number generator. If seed is None (default), the seed will be randomly generated from /dev/urandom if available or the system clock.

Returns:

img – Input image with read noise applied

Return type:

ndarray