Q. 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 _________

View solution

Q. The response for linear spatial filtering is given by the relationship __________

View solution

Q. 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?

View solution

Q. Which of the following is/are a nonlinear operation?

View solution

Q. Which of the following is/are used as basic function in nonlinear filter for noise reduction?

View solution

Q. 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?

View solution

Q. Which of the following method is/are used for padding the image?

View solution

Q. 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?

View solution

Q. Which of the following fact(s) is/are true for the relationship between low frequency component of Fourier transform and the rate of change of gray levels?

View solution

Q. Which of the following fact(s) is/are true for the relationship between high frequency component of Fourier transform and the rate of change of gray levels?

View solution

Q. 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?

View solution

Q. To set the average value of an image zero, which of the following term would be set 0 in the frequency domain and the inverse transformation is done, where F(u, v) is Fourier transformed function of f(x, y)?

View solution

Q. What is the name of the filter that is used to turn the average value of a processed image zero?

View solution

Q. Which of the following filter(s) attenuates high frequency while passing low frequencies of an image?

View solution

Q. Which of the following filter(s) attenuates low frequency while passing high frequencies of an image?

View solution

Q. Which of the following filter have a less sharp detail than the original image because of attenuation of high frequencies?

View solution

Q. The feature(s) of a highpass filtered image is/are ___________

View solution

Q. A spatial domain filter of the corresponding filter in frequency domain can be obtained by applying which of the following operation(s) on filter in frequency domain?

View solution

Q. A frequency domain filter of the corresponding filter in spatial domain can be obtained by applying which of the following operation(s) on filter in spatial domain?

View solution

Q. Which of the following filtering is done in frequency domain in correspondence to lowpass filtering in spatial domain?

View solution