Digital Image Processing Questions and Answers
Q1. In _____ image we notice that the components of histogram are concentrated on the low side on intensity scale.
Answer :
dark
Q2.
What does SEM stands for?
Answer :
Scanning Electron Microscope
Q3.
Averaging filters is also known as _____ filter.
Answer :
Low pass
Q4.
Impulse noise in Order-statistic filter is also called as ______
Answer :
Salt and pepper noise
Q5.
The response of the smoothing linear spatial filter is/are _____
Answer :
Average of pixels in the neighborhood of filter mask
Q6.
What does using a mask having central coefficient maximum and then the coefficients reducing as a function of increasing distance from origin results?
Answer :
It results in increasing blurring in smoothing process
Q7.
An image contains noise having appearance as black and white dots superimposed on the image. Which of the following noise(s) has the same appearance?
Answer :
1. Salt-and-pepper noise
2. Gaussian noise
Q8.
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 _____
Answer :
1. Filter
2. Mask
3. Template
Q9.
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?
Answer :
The resultant image will be a little smaller size than original image
Q10.
What is the name of the filter that multiplies two functions F(u, v) and H(u, v), where F has complex components too since is Fourier transformed function of f(x, y), in an order that each component of H multiplies both real and complex part of corresponding component in F?
Answer :
Zero-phase-shift-filter
🎕🎕🎕
🎕🎕🎕
0 Comments