lentil.detector.read_noise

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

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 numpy.random.RandomState. If None, then RandomState will try to read data from /dev/urandom (or the Windows analogue) if available or seed from the clock otherwise.

Returns

img – Input image with read noise applied

Return type

ndarray