Constrained

Constrained Least Squares Filter Design

Constrained Least Squares Filter Design
  1. What is constrained least square filter?
  2. What are the two types of filter designs?

What is constrained least square filter?

The LEAST_SQUARES_FILTER function reduces degradation and noise in an image based on the mean and variance of the degradation and noise. This is also known as a constrained least squares filter. is the frequency domain estimate of the undegraded image. This routine is written in the IDL language.

What are the two types of filter designs?

There are two fundamental types of digital filters: finite impulse response (FIR) and infinite impulse response (IIR).

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