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Welcome to the Image Enhancement MCQs Page

Dive deep into the fascinating world of Image Enhancement with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Image Enhancement, a crucial aspect of Digital Image Processing (DIP). In this section, you will encounter a diverse range of MCQs that cover various aspects of Image Enhancement, 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 Image Enhancement. 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 Image Enhancement. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Image Enhancement MCQs | Page 3 of 11

Explore more Topics under Digital Image Processing (DIP)

Q21.
State for the validation of the statement:

“In general-purpose for a digital image of zooming and shrinking, where Bilinear Interpolation generally is the method of choice over nearest neighbor Interpolation”.

a.

True

b.

False

c.

May be

d.

Can't Say

Discuss
Answer: (a).True
Q22.
A pixel p at coordinates (x, y) has neighbors whose coordinates are given by:
(x+1, y), (x-1, y), (x, y+1), (x, y-1)
This set of pixels is called ____________

a.

4-neighbors of p

b.

Diagonal neighbors

c.

8-neighbors

d.

None of the mentioned

Discuss
Answer: (a).4-neighbors of p
Q23.
A pixel p at coordinates (x, y) has neighbors whose coordinates are given by:
(x+1, y+1), (x+1, y-1), (x-1, y+1), (x-1, y-1)
This set of pixels is called ____________

a.

4-neighbors of p

b.

Diagonal neighbors

c.

8-neighbors

d.

None of the mentioned

Discuss
Answer: (b).Diagonal neighbors
Q24.
What is the set of pixels of 8-neighbors of pixel p at coordinates (x, y)?

a.

(x+1, y), (x-1, y), (x, y+1), (x, y-1), (x+2, y), (x-2, y), (x, y+2), (x, y-2)

b.

(x+1, y), (x-1, y), (x, y+1), (x, y-1), (x+1, y+1), (x+1, y-1), (x-1, y+1), (x-1, y-1)

c.

(x+1, y+1), (x+1, y-1), (x-1, y+1), (x-1, y-1), (x+2, y+2), (x+2, y-2), (x-2, y+2), (x-2, y-2)

d.

(x+2, y), (x-2, y), (x, y+2), (x, y-2), (x+2, y+2), (x+2, y-2), (x-2, y+2), (x-2, y-2)

Discuss
Answer: (b).(x+1, y), (x-1, y), (x, y+1), (x, y-1), (x+1, y+1), (x+1, y-1), (x-1, y+1), (x-1, y-1)
Q25.
Two pixels p and q having gray values from V, the set of gray-level values used to define adjacency, are m-adjacent if:

a.

q is in N4(p)

b.

q is in ND(p) and the set N4(p) ∩ N4(q) has no pixels whose values are from V

c.

Any of the mentioned

d.

None of the mentioned

Discuss
Answer: (c).Any of the mentioned
Q26.
Let S, a subset of pixels in an image, is said to be a connected set if:

a.

If for any pixel p in S, the set of pixels that are connected to it in Sis only one

b.

If it only has one connected component

c.

If S is a region

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q27.
Let R be a subset of pixels in an image. How can we define the contour of R?

a.

If R is a region, and the set of pixels in R have one or more neighbors that are not in R

b.

If R is an entire image, then the set of pixels in the first and last rows and columns of R

c.

All of the mentioned

d.

None of the mentioned

Discuss
Answer: (c).All of the mentioned
Q28.
The domain that refers to image plane itself and the domain that refers to Fourier transform of an image is/are :

a.

Spatial domain in both

b.

Frequency domain in both

c.

Spatial domain and Frequency domain respectively

d.

Frequency domain and Spatial domain respectively

Discuss
Answer: (c).Spatial domain and Frequency domain respectively
Q29.
What is the technique for a gray-level transformation function called, if the transformation would be to produce an image of higher contrast than the original by darkening the levels below some gray-level m and brightening the levels above m in the original image.

a.

Contouring

b.

Contrast stretching

c.

Mask processing

d.

Point processing

Discuss
Answer: (b).Contrast stretching
Q30.
For Image Enhancement a general-approach is to use a function of values of f (input image) in a predefined neighborhood of (x, y) to determine the value of g (output image) at (x, y). The techniques that uses such approaches are called ________

a.

Contouring

b.

Contrast stretching

c.

Mask processing

d.

None of the mentioned

Discuss
Answer: (c).Mask processing
Page 3 of 11

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