Digital Image Processing Questions and Answers
Q1.
______ is the effect caused by the use of an insufficient number of intensity levels in smooth areas of a digital image.
Answer :
False Contouring
Q2.
Of the following, ______ has the maximum frequency.
Answer :
Gamma Rays
Q3.
Which of the following is used for chest and dental scans?
Answer :
Soft X-Rays
Q4.
How is array operation carried out involving one or more images?
Answer :
pixel by pixel
Q5.
Region of Interest (ROI) operations is commonly called as ______
Answer :
Masking
Q6.
Noise reduction is obtained by blurring the image using smoothing filter.
Answer :
True
Q7.
Smoothing spatial filters doesn’t smooth the false contours.
Answer :
False
Q8.
Which of the following expression is used to denote spatial domain process?
Answer :
g(x,y)=T[f(x,y)]
Q9.
In contrast stretching, if r1=s1 and r2=s2 then which of the following is true?
Answer :
The transformation is a linear function that produces no changes in gray levels
Q10.
Which of the following is the primary objective of sharpening of an image?
Answer :
Highlight fine details in the image
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