Impulse (salt-and-pepper) noise The PDF of (bipolar) impulse noise is given by ……(1) If b > a, gray-level b will appear as a light dot in the image. Conversely, level a will appea…...

Uniform Noise The PDF of uniform noise is given by                                                                                                                                   …...

Exponential noise The PDF of exponential niose is given by                                      ….(1) Where a > 0. The mean and variance of this density function are               …...

Erlang (Gamma) Noise The PDR of Erlang noise is given by (1) Where the parameters are such that a>0, b is a positive integer and “!” indicates factorial. The mean and variance of …...

Rayleigh noise The PDF of Rayleigh noise is given by (1) The mean and variance of this density are given by ……(2) and ……(3)...

Gaussian Noise:  Because of its mathematical tractability in both the spatial and frequency domains, Gaussian (also called normal) noise models are used frequently in practice.   In…...

Image Degradation And Restoration Model :- As fig. show, that degradation process is modeled as a degradation function that, together with an additive noise term, Operates on an i…...

Image Restoration :- Image restoration is the operation of tating a corrupt/noise image and estimating the clean original image. Corruption may come in many forms such as motion b…...