a. If you have a large distribution over histogram, how do you increase the contrast images?

b. How do you perform a subtraction in an image?

c. Name a few geometric operations in image.

d. What is the effect of a filter of 5x5 matrix, each with a 1/25 value? How do you compare it to the effect of a matrix of 10x10 of 1/100 each?

e. What is the effect of Gaussian filtering?

f. Give an example to a non linear filter. When do you need a non-lineer filter?