Digital Image Processing Frequencydomain Filters Smoothing Online Exam Quiz
Digital Image Processing Frequencydomain Filters Smoothing GK Quiz. Question and Answers related to Digital Image Processing Frequencydomain Filters Smoothing. MCQ (Multiple Choice Questions with answers about Digital Image Processing Frequencydomain Filters Smoothing
A Butterworth filter of what order has no ringing?
Options
A : 1
B : 2
C : 3
D : 4
Smoothing in frequency domain is achieved by attenuating which of the following component in the transform of a given image?
Options
A : Attenuating a range of high-frequency components
B : Attenuating a range of low-frequency components
C : All of the mentioned
D : None of the mentioned
In an ideal lowpass filter case, what is the relation between the filter radius and the blurring effect caused because of the filter?
Options
A : Filter size is directly proportional to blurring caused because of filter
B : Filter size is inversely proportional to blurring caused because of filter
C : There is no relation between filter size and blurring caused because of it
D : None of the mentioned
The characteristics of the lowpass filter h(x, y) is/are_________
Options
A : Has a dominant component at origin
B : Has a concentric, circular components about the center component
C : All of the mentioned
D : None of the mentioned
Which of the following is/are considered as type(s) of lowpass filters?
Options
A : Ideal
B : Butterworth
C : Gaussian
D : All of the mentioned
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?
Options
A : Ideal filter
B : Butterworth filter
C : Gaussian filter
D : All of the mentioned
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)?
Options
A : Ideal lowpass filter
B : Gaussian lowpass filter
C : All of the mentioned
D : None of the mentioned
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)?
Options
A : Ideal lowpass filter
B : Gaussian lowpass filter
C : All of the mentioned
D : None of the mentioned
Which of the following lowpass filters is/are covers the range of very sharp filter function?
Options
A : Ideal lowpass filters
B : Butterworth lowpass filter
C : Gaussian lowpass filter
D : All of the mentioned
Which of the following lowpass filters is/are covers the range of very smooth filter function?
Options
A : Ideal lowpass filters
B : Butterworth lowpass filter
C : Gaussian lowpass filter
D : All of the mentioned
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