Explore topic-wise MCQs in Digital Image Processing.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Image Processing knowledge and support exam preparation. Choose a topic below to get started.

1.

For a local enhancement using mean and variance, there is one condition: s(x, y) k2DG, where, MDG is global standard deviation, k2 a positive constant and s(x, y) a measure of contrast at point (x, y). Then, which fact is true for k2 if its values is greater than 1.0?

A. tEnhancement is being done on light areas
B. tEnhancement is being done on dark areas
C. tEnhancement is being done independent of value of k<sub>0</sub>
D. tNone of the mentioned
Answer» B. tEnhancement is being done on dark areas
Discussion
2.

For a local enhancement using mean and variance, there is one condition: s(x, y) k2DG, where, MDG is global standard deviation, k2 a positive constant and s(x, y) a measure of contrast at point (x, y). Then, which fact is true for k2 if its values is less than 1.0?

A. tEnhancement is being done on light areas
B. tEnhancement is being done on dark areas
C. tEnhancement is being done independent of value of k<sub>0</sub>
D. tNone of the mentioned
Answer» C. tEnhancement is being done independent of value of k<sub>0</sub>
Discussion
3.

For a local enhancement using mean and variance, there is one condition: ms(x, y) k0 MG, where, MG is global mean, k0 a constant and ms(x, y) a measure of gray value as light or dark at point (x, y). Then, which fact is true for k0?

A. tIt is a negative constant with values less than -1.0
B. tIt is a positive constant with values less than 1.0
C. tIt is an integer constant with values between -1.0 and 1.0
D. tNone of the mentioned
Answer» C. tIt is an integer constant with values between -1.0 and 1.0
Discussion
4.

In Histogram Matching or Specification, z = G-1[T(r)], r and z are gray level of input and output image and T &amp; G are transformations, to confirm the single value and monotonous of G-1 what of the following is/are required?

A. tG must be strictly monotonic
B. tG must be strictly decreasing
C. tAll of the mentioned
D. tNone of the mentioned
Answer» B. tG must be strictly decreasing
Discussion