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 ?

tThe average background intensity changes to a value average of black and white

tThe average background intensity increases to near white

tThe average background intensity reduces to near black

tThe average background intensity changes to a value average of black and white

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?

tIHPF sets all frequencies inside circle to zero

tIHPF allows all frequencies, without attenuating, outside the circle

7 + Mcqs in Gaussain Lowpass and Sharpening Frequency Domain Filters in Digital Image Processing Page 1 McqOptions

1.	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 ?
A.	tThe average background intensity increases to near white
B.	tThe average background intensity reduces to near black
C.	tThe average background intensity changes to a value average of black and white
D.	tAll of the mentioned
Answer» C. tThe average background intensity changes to a value average of black and white

Discussion

2.	Which of the following is the transfer function of the Gaussian Highpass Filter? Given D₀ is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v).
A.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option a" class="alignnone size-full wp-image-148774" height="30" sizes="(max-width: 153px) 100vw, 153px" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png 153w, https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11-150x30.png 150w" width="153"/></a>
B.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11a.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option b" class="alignnone size-full wp-image-148775" height="49" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11a.png" width="191"/></a>
C.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11b.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option c" class="alignnone size-full wp-image-148776" height="26" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11b.png" width="171"/></a>
D.	tnone of the mentioned
Answer» D. tnone of the mentioned

Discussion

3.	Which of the following is the transfer function of the Ideal Highpass Filter? Given D₀ is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v).
A.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option a" class="alignnone size-full wp-image-148774" height="30" sizes="(max-width: 153px) 100vw, 153px" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png 153w, https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11-150x30.png 150w" width="153"/></a>
B.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11a.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option b" class="alignnone size-full wp-image-148775" height="49" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11a.png" width="191"/></a>
C.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11b.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option c" class="alignnone size-full wp-image-148776" height="26" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11b.png" width="171"/></a>
D.	tnone of the mentioned
Answer» C. t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11b.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option c" class="alignnone size-full wp-image-148776" height="26" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11b.png" width="171"/></a>

Discussion

4.	Which of the following is the transfer function of the Butterworth Highpass Filter, of order n, D₀ is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v)?
A.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option a" class="alignnone size-full wp-image-148774" height="30" sizes="(max-width: 153px) 100vw, 153px" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11.png 153w, https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11-150x30.png 150w" width="153"/></a>
B.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11a.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option b" class="alignnone size-full wp-image-148775" height="49" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11a.png" width="191"/></a>
C.	t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11b.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option c" class="alignnone size-full wp-image-148776" height="26" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11b.png" width="171"/></a>
D.	tnone of the mentioned
Answer» B. t<a href="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11a.png"><img alt="Transfer function of Butterworth Highpass Filter & D0 is cutoff distance - option b" class="alignnone size-full wp-image-148775" height="49" src="https://www.sanfoundry.com/wp-content/uploads/2017/06/digital-image-processing-questions-answers-gaussain-lowpass-frequency-domain-filters-sharpening-q11a.png" width="191"/></a>

Discussion

5.	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?
A.	tIHPF sets all frequencies inside circle to zero
B.	tIHPF allows all frequencies, without attenuating, outside the circle
C.	tAll of the mentioned
D.	tNone of the mentioned
Answer» D. tNone of the mentioned

Discussion

6.	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?
A.	t0 and 1 respectively
B.	t1 and 0 respectively
C.	t1 in both case
D.	t0 in both case
Answer» B. t1 and 0 respectively

Discussion

7.	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 .
A.	tTrue
B.	tFalse
Answer» C.

Discussion

Explore topic-wise MCQs in Digital Image Processing.

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 ?

Which of the following is the transfer function of the Gaussian Highpass Filter? Given D0 is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v).

Which of the following is the transfer function of the Ideal Highpass Filter? Given D0 is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v).

Which of the following is the transfer function of the Butterworth Highpass Filter, of order n, D0 is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v)?

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?

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?

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 .

Which of the following is the transfer function of the Gaussian Highpass Filter? Given D₀ is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v).

Which of the following is the transfer function of the Ideal Highpass Filter? Given D₀ is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v).

Which of the following is the transfer function of the Butterworth Highpass Filter, of order n, D₀ is the cutoff distance measured from origin of frequency rectangle and D(u, v) is the distance from point(u, v)?

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?

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?