This set of Digital Image Processing Multiple Choice Questions & Answers (MCQs) focuses on “Fuzzy Techniques – Transformations and Filtering”.

1. What is the set generated using infinite-value membership functions, called?

a) Crisp set

b) Boolean set

c) Fuzzy set

d) All of the mentioned

View Answer

Explanation: It is called fuzzy set.

2. Which is the set, whose membership only can be true or false, in bi-values Boolean logic?

a) Boolean set

b) Crisp set

c) Null set

d) None of the mentioned

View Answer

Explanation: The so called Crisp set is the one in which membership only can be true or false, in bi-values Boolean logic.

3. If Z is a set of elements with a generic element z, i.e. Z = {z}, then this set is called _____________

a) Universe set

b) Universe of discourse

c) Derived set

d) None of the mentioned

View Answer

Explanation: It is called the universe of discourse.

4. A fuzzy set ‘A’ in Z is characterized by a ____________ that associates with element of Z, a real number in the interval [0, 1].

a) Grade of membership

b) Generic element

c) Membership function

d) None of the mentioned

View Answer

Explanation: A fuzzy set is characterized by a membership function.

5. A fuzzy set is ________ if and only if membership function is identically zero in Z.

a) Empty

b) Subset

c) Complement

d) None of the mentioned

View Answer

Explanation: It is called an Empty set.

6. Which of the following is a type of Membership function?

a) Triangular

b) Trapezoidal

c) Sigma

d) All of the mentioned

View Answer

Explanation: All of them are types of Membership functions.

7. Which of the following is not a type of Membership function?

a) S-shape

b) Bell shape

c) Truncated Gaussian

d) None of the mentioned

View Answer

Explanation: All of the mentioned above are types of Membership functions.

8. Using IF-THEN rule to create the output of fuzzy system is called _______________.

a) Inference

b) Implication

c) Both the mentioned

d) None of the mentioned

View Answer

Explanation: It is called Inference or Implication.

9. What is the independent variable of fuzzy output?

a) Maturity

b) Membership

c) Generic Element

d) None of the mentioned

View Answer

Explanation: Maturity is the independent variable of fuzzy output.

10. Which of the following is not a principle step in fuzzy technique?

a) Fuzzify input

b) Apply implication method

c) Defuzzify final output

d) None of the mentioned

View Answer

Explanation: All of the mentioned above are key steps in fuzzy technique.

**Sanfoundry Global Education & Learning Series – Digital Image Processing.**

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