Spatial Filtering MCQs : Here you will find MCQ Questions related to "Spatial Filtering" in Digital Image Processing. These Spatial Filtering MCQ Questions Will help you to improve your Digital Image Processing knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.
Question 1
__________ is the process of accepting or rejecting certain frequency components
A. Eliminating
B. Filtering
C. Slicing
D. None of the above
Question 2
Low pass filter passes ?
A. low frequencies
B. medium frequencies
C. high frequencies
D. All of the above
Question 3
What is the process of moving a filter mask over the image and computing the sum of products at each location called as?
A. Convolution
B. Correlation
C. Linear spatial filtering
D. Non linear spatial filtering
Question 4
In linear spatial filtering, what is the pixel of the image under mask corresponding to the mask coefficient w (1, -1), assuming a 3*3 mask?
A. f (x, -y)
B. f (x + 1, y)
C. f (x, y – 1)
D. f (x + 1, y – 1)
Question 5
Which of the following is/are used as basic function in nonlinear filter for noise reduction?
A. Computation of variance
B. Computation of median
C. Both A and B
D. None of the above
Question 6
The standard deviation controls ______________ of the bell.
A. Size
B. Curve
C. Tightness
D. All of the above
Question 7
Convolution is the same as Correlation except that the image must be rotated by ________ degrees initially.
A. 45
B. 90
C. 135
D. 180
Question 8
Which of the following are functions of displacement?
A. Convolution
B. Correlation
C. Both A and B
D. None of the above
Question 9
The response for linear spatial filtering is given by the relationship __________
A. Sum of filter coefficient’s product and corresponding image pixel under filter mask
B. Difference of filter coefficient’s product and corresponding image pixel under filter mask
C. Product of filter coefficient’s product and corresponding image pixel under filter mask
D. None of the above
Question 10
Correlation is applied in finding matches.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say