Digital Image Processing Questions and Answers
Q1.
Which of the following is NOT an application of Image Multiplication?
Answer :
Pixelation
Q2.
Wavelength and frequency are related as : (c = speed of light)
Answer :
c = wavelength * frequency
Q3.
Massless particle containing a certain amount of energy is called
Answer :
Photon
Q4.
The property indicating that the output of a linear operation to a constant times as input is the same as the output of operation due to original input multiplied by that constant is called ______
Answer :
homogeneity
Q5.
Consider two regions A and B composed of foreground pixels. The ______ of these two sets is the set of elements belonging to set A or set B or both.
Answer :
OR
Q6.
Smoothing linear filter is also known as median filter.
Answer :
False
Q7.
Which of the following filters response is based on ranking of pixels?
Answer :
Nonlinear smoothing filters
Q8.
Which expression is obtained by performing the negative transformation on the negative of an image with gray levels in the range[0,L-1] ?
Answer :
s=L-1-r
Q9.
In contrast stretching, if r1≤r2 and s1≤s2 then which of the following is true?
Answer :
The transformation function is single valued and monotonically increasing
Q10.
In spatial domain, which of the following operation is done on the pixels in sharpening the image?
Answer :
Differentiation
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