Digital Image Processing Spatial Filtering Online Exam Quiz
Digital Image Processing Spatial Filtering GK Quiz. Question and Answers related to Digital Image Processing Spatial Filtering. MCQ (Multiple Choice Questions with answers about Digital Image Processing Spatial Filtering
Which of the following method is/are used for padding the image?
Options
A : Adding rows and column of 0 or other constant gray level
B : Simply replicating the rows or columns
C : All of the mentioned
D : None of the mentioned
In neighborhood operation for spatial filtering using square mask of n*n, which of the following approach is/are used to obtain a perfectly filtered result irrespective of the size?
Options
A : By padding the image
B : By filtering all the pixels only with the mask section that is fully contained in the image
C : By ensuring that center of mask must be at a distance ? (n – 1)/2 pixels from border of image
D : None of the mentioned
Which of the following is/are used as basic function in nonlinear filter for noise reduction?
Options
A : Computation of variance
B : Computation of median
C : All of the mentioned
D : None of the mentioned
Which of the following is/are a nonlinear operation?
Options
A : Computation of variance
B : Computation of median
C : All of the mentioned
D : None of the mentioned
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?
Options
A : f (x, -y)
B : f (x + 1, y)
C : f (x, y – 1)
D : f (x + 1, y – 1)
In neighborhood operations working is being done with the value of image pixel in the neighborhood and the corresponding value of a subimage that has same dimension as neighborhood. The subimage is referred as _________
Options
A : Filter
B : Mask
C : Template
D : All of the mentioned
The response for linear spatial filtering is given by the relationship __________
Options
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 mentioned
In neighborhood operation for spatial filtering if a square mask of size n*n is used it is restricted that the center of mask must be at a distance ? (n – 1)/2 pixels from border of image, what happens to the resultant image?
Options
A : The resultant image will be of same size as original image
B : The resultant image will be a little larger size than original image
C : The resultant image will be a little smaller size than original image
D : None of the mentioned
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