Q. The sampled frequency greater than the nyquist rate is called

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Q. Most common example of temporal aliasing is

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Q. High pass filters are used for image

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Q. Time intervals between images in sequence of images is called

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Q. The Fourier transform is named after French mathematician

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Q. State the statement as true or false. “The GLPF did produce as much smoothing as the BLPF of order 2 for the same value of cutoff frequency”.

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Q. In general, which of the following assures of no ringing in the output?

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Q. The lowpass filtering process can be applied in which of the following area(s)?

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Q. The edges and other abrupt changes in gray-level of an image are associated with_________

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Q. A type of Image is called as VHRR image. What is the definition of VHRR image?

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Q. The Image sharpening in frequency domain can be achieved by which of the following method(s)?

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Q. The function of filters in Image sharpening in frequency domain is to perform reverse operation of which of the following Lowpass filter?

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Q. If D0 is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v). Then what value does an Ideal Highpass filter will give if D(u, v) ≤ D0 andifD(u, v) >D0?

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Q. What is the relation of the frequencies to a circle of radius D0, where D0 is the cutoff distance measured from origin of frequency rectangle, for an Ideal Highpass filter?

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Q. For a given image having smaller objects, which of the following filter(s), having D0 as the cutoff distance measured from origin of frequency rectangle, would you prefer for a comparably smoother result?

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Q. Which of the following statement(s) is true for the given fact that “Applying Highpass filters has an effect on the background of the output image”?

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