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Welcome to the Intensity Transformations and Spatial Filtering MCQs Page

Dive deep into the fascinating world of Intensity Transformations and Spatial Filtering with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Intensity Transformations and Spatial Filtering, a crucial aspect of Digital Image Processing (DIP). In this section, you will encounter a diverse range of MCQs that cover various aspects of Intensity Transformations and Spatial Filtering, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Digital Image Processing (DIP).

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Check out the MCQs below to embark on an enriching journey through Intensity Transformations and Spatial Filtering. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Digital Image Processing (DIP).

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Intensity Transformations and Spatial Filtering. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Intensity Transformations and Spatial Filtering MCQs | Page 22 of 27

Explore more Topics under Digital Image Processing (DIP)

Q211.
In frequency domain terminology, which of the following is defined as “obtaining a highpass filtered image by subtracting from the given image a lowpass filtered version of itself”?

a.

Emphasis filtering

b.

Unsharp masking

c.

Butterworth filtering

d.

None of the mentioned

Discuss
Answer: (b).Unsharp masking
Q212.
Which of the following is/ are a generalized form of unsharp masking?

a.

Lowpass filtering

b.

High-boost filtering

c.

Emphasis filtering

d.

All of the mentioned

Discuss
Answer: (b).High-boost filtering
Q213.
High boost filtered image is expressed as: fhb = A f(x, y) – flp(x, y), where f(x, y) the input image, A is a constant and flp(x, y) is the lowpass filtered version of f(x, y). Which of the following fact validates if A=1?

a.

High-boost filtering reduces to regular Highpass filtering

b.

High-boost filtering reduces to regular Lowpass filtering

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (a).High-boost filtering reduces to regular Highpass filtering
Q214.
High boost filtered image is expressed as: fhb = A f(x, y) – flp(x, y), where f(x, y) the input image, A is a constant and flp(x, y) is the lowpass filtered version of f(x, y). Which of the following fact(s) validates if A increases past 1?

a.

The contribution of the image itself becomes more dominant

b.

The contribution of the highpass filtered version of image becomes less dominant

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (c).All of the mentioned
Q215.
Unsharp masking can be implemented directly in frequency domain by using a filter: Hhp(u, v) = 1 – Hlp(u, v), where Hlp(u, v) the transfer function of a lowpass filter. What kind of filter is Hhp(u, v)?

a.

Composite filter

b.

M-derived filter

c.

Constant k filter

d.

None of the mentioned

Discuss
Answer: (a).Composite filter
Q216.
The frequency domain Laplacian is closer to which of the following mask?

a.

Mask that excludes the diagonal neighbors

b.

Mask that excludes neighbors in 4-adjacancy

c.

Mask that excludes neighbors in 8-adjacancy

d.

None of the mentioned

Discuss
Answer: (a).Mask that excludes the diagonal neighbors
Q217.
To accentuate the contribution to enhancement made by high-frequency components, which of the following method(s) should be more appropriate to apply?

a.

Multiply the highpass filter by a constant

b.

Add an offset to the highpass filter to prevent eliminating zero frequency term by filter

c.

All of the mentioned combined and applied

d.

None of the mentioned

Discuss
Answer: (c).All of the mentioned combined and applied
Q218.
A process that accentuate the contribution to enhancement made by high-frequency components, by multiplying the highpass filter by a constant and adding an offset to the highpass filter to prevent eliminating zero frequency term by filter is known as _______

a.

Unsharp masking

b.

High-boost filtering

c.

High frequency emphasis

d.

None of the mentioned

Discuss
Answer: (c).High frequency emphasis
Q219.
The transfer function of High frequency emphasis is given as: Hhfe(u, v) = a + b Hhp(u, v), for Hhp(u, v) being the highpass filtered version of image,a≥0 and b>a. for certain values of a and b it reduces to High-boost filtering. Which of the following is the required value?

a.

a = (A-1) and b = 0,A is some constant

b.

a = 0 and b = (A-1),A is some constant

c.

a = 1 and b = 1

d.

a = (A-1) and b =1,A is some constant

Discuss
Answer: (d).a = (A-1) and b =1,A is some constant
Q220.
The transfer function of High frequency emphasis is given as: Hhfe(u, v) = a + b Hhp(u, v), for Hhp(u, v) being the highpass filtered version of image,a≥0 and b>a. What happens when b increases past 1?

a.

The high frequency are emphasized

b.

The low frequency are emphasized

c.

All frequency are emphasized

d.

None of the mentioned

Discuss
Answer: (a).The high frequency are emphasized
Page 22 of 27

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