1. Which of the following expression is used to denote spatial domain process?

A. g(x,y)=T[f(x,y)]

B. f(x+y)=T[g(x+y)]

C. g(xy)=T[f(xy)]

D. g(x-y)=T[f(x-y)]

2. Which of the following shows three basic types of functions used frequently for image enhancement?

A. Linear, logarithmic, and inverse law

B. Power-law, logarithmic, and inverse law

C. Linear, logarithmic and power-law

D. Linear, exponential, and inverse law

3. Which expression is obtained by performing the negative transformation on the negative of an image with gray levels in the range[0, L-1]?

A. s=L+1-r

B. s=L+1+r

C. s=L-1-r

D. s=L-1+r

4. What is the general form of representation of log transformation?

A. s=clog10(1/r)

B. s=clog10(1+r)

C. s=clog10(1*r)

D. s=clog10(1-r)

5. What is the general form of representation of power transformation?

A. s=crγ

B. c=srγ

C. s=rc

D. s=rcγ

6. What is the name of the process used to correct the power-law response phenomena?

A. Beta correction

B. Alpha correction

C. Gamma correction

D. Pie correction

7. Which of the following transformation function requires much information to be specified at the time of input?

A. Log transformation

B. Power transformation

C. Piece-wise transformation

D. Linear transformation

8. In contrast stretching, if r1=s1 and r2=s2 then which of the following is true?

A. The transformation is not a linear function that produces no changes in gray levels

B. The transformation is a linear function that produces no changes in gray levels

C. The transformation is a linear function that produces changes in gray levels

D. The transformation is not a linear function that produces changes in gray levels

9. In contrast to stretching, if r1=r2, s1=0, and s2=L-1 then which of the following is true?

A. The transformation becomes a thresholding function that creates an octal image

B. The transformation becomes an override function that creates an octal image

C. The transformation becomes a thresholding function that creates a binary image

D. The transformation becomes a thresholding function that does not create an octal image

10. In contrast to stretching, if r1≤r2 and s1≤s2 then which of the following is true?

A. The transformation function is double valued and exponentially increasing

B. The transformation function is double valued and monotonically increasing

C. The transformation function is single-valued and exponentially increasing

D. The transformation function is single-valued and monotonically increasing