Digital Image Processing Questions and Answers
Q1.
What is the equation used for calculating B value in terms of HSI components?
Answer :
B=I(1-S)
Q2.
For which of the following regions, compactness is minimal?
Answer :
Disk
Q3.
On which of the following operation of an image, the topology of the region changes?
Answer :
Folding
Q4.
Which of the following techniques is based on the Fourier transform?
Answer :
Spectral
Q5.
If the boundary is traversed in the clockwise direction, a vertex point ‘p’ is said to be a part of the convex segment if the rate of change of slope at ‘p’ is:
Answer :
Non negative
Q6.
What is the shape number for the boundary given in the previous figure?
Answer :
000310330130031303
Q7.
What causes the effect, imperceptible set of very fine ridge like structures in areas of smooth gray levels?
Answer :
Caused by the use of an insufficient number of gray levels in smooth areas of a digital image
Q8.
For an image with a large amount of detail, if the value of N (number of pixels) is fixed then what is the gray level dependency in the perceived quality of this type of image?
Answer :
Nearly independent of the number of gray levels used
Q9.
How can one reduce the aliasing effect on an image?
Answer :
By reducing the high-frequency components of image by blurring the image
Q10.
Nearest neighbor Interpolation has an undesirable feature, that is ______
Answer :
Checkerboard effect
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