Image Noise
Noise in images
Noise is just another function that is combined with original function to get a new function. I(x,y)=I(x,y)+h(x,y)
Common Types of Noise
Salt and Pepper Noise:
Random occurrences of black and white pixels.
Impulse noise:
Random occurrences of white pixels.
Gaussian Noise
Variations in intensity drawn from a Gaussian normal distribution