Which of the following gives an expression for high boost filtered image fhb, if f represents an image, f blurred version of f, fs unsharp mask filtered image and A 1?

tfhb = (A 1) f(x, y) + f(x, y) f x, y)

tfhb = (A 1) f(x, y) + fs(x, y)

Explore topic-wise MCQs in Digital Image Processing.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Image Processing knowledge and support exam preparation. Choose a topic below to get started.

1.	If we use a Laplacian to obtain sharp image for unsharp mask filtered image fs(x, y) of f(x, y) as input image, and if the center coefficient of the Laplacian mask is negative then, which of the following expression gives the high boost filtered image f_hb, if ² f represent Laplacian?
A.	tf<sub>hb</sub> = A f(x, y) <sup>2</sup> f(x,y)
B.	tf<sub>hb</sub> = A f(x, y) + <sup>2</sup> f(x,y)
C.	tf<sub>hb</sub> = <sup>2</sup> f(x,y)
D.	tNone of the mentioned
Answer» B. tf<sub>hb</sub> = A f(x, y) + <sup>2</sup> f(x,y)

Discussion

2.	Which of the following gives an expression for high boost filtered image f_hb, if f represents an image, f blurred version of f, fs unsharp mask filtered image and A 1?
A.	tf<sub>hb</sub> = (A 1) f(x, y) + f(x, y) f x, y)
B.	tf<sub>hb</sub> = A f(x, y) f(x,y)
C.	tf<sub>hb</sub> = (A 1) f(x, y) + f<sub>s</sub>(x, y)
D.	tAll of the mentioned
Answer» E.

Discussion

3.	The Laplacian incorporated with diagonal directions, i.e. ² f=[f(x + 1, y) + f(x 1, y) + f(x, y + 1) + f(x, y 1) 8f(x, y)], gives an isotropic result for rotations in increment by what degree?
A.	t90<sup>o</sup>
B.	t0<sup>o</sup>
C.	t45<sup>o</sup>
D.	tNone of the mentioned
Answer» B. t0<sup>o</sup>

Discussion

4.	The Laplacian ² f=[f(x + 1, y) + f(x 1, y) + f(x, y + 1) + f(x, y 1) 4f(x, y)], gives an isotropic result for rotations in increment by what degree?
A.	t90<sup>o</sup>
B.	t0<sup>o</sup>
C.	t45<sup>o</sup>
D.	tNone of the mentioned
Answer» B. t0<sup>o</sup>

Discussion

Explore topic-wise MCQs in Digital Image Processing.

If we use a Laplacian to obtain sharp image for unsharp mask filtered image fs(x, y) of f(x, y) as input image, and if the center coefficient of the Laplacian mask is negative then, which of the following expression gives the high boost filtered image fhb, if 2 f represent Laplacian?

Which of the following gives an expression for high boost filtered image fhb, if f represents an image, f blurred version of f, fs unsharp mask filtered image and A 1?

The Laplacian incorporated with diagonal directions, i.e. 2 f=[f(x + 1, y) + f(x 1, y) + f(x, y + 1) + f(x, y 1) 8f(x, y)], gives an isotropic result for rotations in increment by what degree?

The Laplacian 2 f=[f(x + 1, y) + f(x 1, y) + f(x, y + 1) + f(x, y 1) 4f(x, y)], gives an isotropic result for rotations in increment by what degree?

If we use a Laplacian to obtain sharp image for unsharp mask filtered image fs(x, y) of f(x, y) as input image, and if the center coefficient of the Laplacian mask is negative then, which of the following expression gives the high boost filtered image f_hb, if ² f represent Laplacian?

Which of the following gives an expression for high boost filtered image f_hb, if f represents an image, f blurred version of f, fs unsharp mask filtered image and A 1?

The Laplacian incorporated with diagonal directions, i.e. ² f=[f(x + 1, y) + f(x 1, y) + f(x, y + 1) + f(x, y 1) 8f(x, y)], gives an isotropic result for rotations in increment by what degree?

The Laplacian ² f=[f(x + 1, y) + f(x 1, y) + f(x, y + 1) + f(x, y 1) 4f(x, y)], gives an isotropic result for rotations in increment by what degree?