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

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

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

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

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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?

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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?

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

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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?

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

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

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

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

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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)?

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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)?

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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?

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

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

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

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

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Q. State the statement true or false: “BLPF has sharp discontinuity and ILPF doesn’t, and so ILPF establishes a clear cutoff b/w passed and filtered frequencies”.

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