Digital Image Processing Questions and Answers
Q1.
What is Digital Image Processing?
Answer :
It’s a software that allows altering digital pictures
Q2.
How does picture formation in the eye vary from image formation in a camera?
Answer :
Variable focal length
Q3.
Which of the following is the first and foremost step in Image Processing?
Answer :
Image acquisition
Q4.
Image processing involves how many steps?
Answer :
10
Q5.
The effect caused by the use of an insufficient number of intensity levels in smooth areas of a digital image _____
Answer :
False Contouring
Q6.
Which of the following in an image can be removed by using a smoothing filter?
Answer :
Sharp transitions of gray levels
Q7.
Which of the following is the primary objective of sharpening of an image?
Answer :
Highlight fine details in the image
Q8.
Which of the following occurs in Unsharp Masking?
Answer :
1. Subtracting blurred image from original
2. Blurring the original image
3. Adding a mask to the original image
Q9.
Which of the following is the expansion of PDF, in uniform PDF?
Answer :
Probability Density Function
Q10.
The filter order of a Butterworth lowpass filter determines whether it is a very sharp or extremely smooth filter function, or an intermediate filter function. Which of the following filters does the filter approach if the parameter value is very high?
Answer :
Ideal lowpass filter
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