Signal Processing Stack Exchange is a question and answer site for practitioners of the art and science of signal, image and video processing. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I am studying some deconvolution techinques (to remove motion blur) like:

Are there any pros/cons of using one versus another?
For example which are the pros/cons of Richardson-Lucy technique?

I can't find any references beside some papers.

share|improve this question
up vote 6 down vote accepted

The main difference is Wiener is the optimal for Gaussian Noise while Richardson Lucy assumes Poisson Noise.

Poisson Noise is a better model for noise in photos captured by a Photo Diode.

share|improve this answer
A derivation of the Wiener filter is on Wikipedia. The Lucy-Richardson filter is derived (to some degree) here:… – enthdegree Apr 15 '14 at 16:30

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.