An image contains noise having appearance as black and white dots superimposed on the image. Which of the following noise(s) has the same appearance?
(a) Salt-and-pepper noise
(b) Gaussian noise
(c) All of the mentioned
(d) None of the mentioned
I have been asked this question in semester exam.
This intriguing question comes from Smoothing Nonlinear Spatial Filter in chapter Intensity Transformations and Spatial Filtering of Digital Image Processing