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

Q. Using the feature of reciprocal relationship of filter in spatial domain and corresponding filter in frequency domain, which of the following fact is true?

View solution

Q. Smoothing in frequency domain is achieved by attenuating which of the following component in the transform of a given image?

View solution

Q. Which of the following is/are considered as type(s) of lowpass filters?

View solution

Q. Which of the following lowpass filters is/are covers the range of very sharp filter function?

View solution

Q. Which of the following lowpass filters is/are covers the range of very smooth filter function?

View solution

Q. Butterworth lowpass filter has a parameter, filter order, determining its functionality as very sharp or very smooth filter function or an intermediate filter function. If the parameter value is very high, the filter approaches to which of the following filter(s)?

View solution

Q. Butterworth lowpass filter has a parameter, filter order, determining its functionality as very sharp or very smooth filter function or an intermediate filter function. If the parameter value is of lower order, the filter approaches to which of the following filter(s)?

View solution

Q. In a filter, all the frequencies inside a circle of radius D0 are not attenuated while all frequencies outside circle are completely attenuated. The D0 is the specified nonnegative distance from origin of the Fourier transform. Which of the following filter(s) characterizes the same?

View solution

Q. In an ideal lowpass filter case, what is the relation between the filter radius and the blurring effect caused because of the filter?

View solution

Q. The characteristics of the lowpass filter h(x, y) is/are_________

View solution

Q. What is the relation for the components of ideal lowpass filter and the image enhancement?

View solution