Image Processing  Unit - 3 mcq

 

1. Degradation can be estimated by
(A) 2 ways
(B) 3 ways
(C) 4 ways
(D) 5 ways

Correct option is B

2. Power spectra and noise of undegraded image must be known as.
(A) Wiener filter
(B) Notch filter
(C) Band pass filter
(D) None of these

Correct option is A

3. . Degraded image is produced using degradation process and
(A) Pixels
(B) Destruction
(C) Coordinates
(D) Additive noise

Correct option is D

4. Degraded image is obtain in a
(A) Frequency domain
(B) Spatial domain
(C) Time domain
(D) Plane

Correct option is B

5. What is the Principle sources of noise arise during image ?
(A) Restoration
(B) Acquisition
(C) Destruction
(D) Degradation

Correct option is B

6. From where, Periodic noise arise
(A) Electric interference
(B) Gamma interference
(C) Beta interference
(D) None of the above

Correct option is A

7. Which is not a type of noise ?
(A) Gamma noise
(B) Rayleigh noise
(C) Black noise
(D) Exponential noise

Correct option is C

8. Band reject filters are used where the noise components are usually
(A) Known
(B) Unknown
(C) Taken
(D) Reject

Correct option is A

9. SNR in noise stands for
(A) Signal to noise ratio
(B) Serial to noise ratio
(C) Signal to notch ratio
(D) Serial to notch ratio

Correct option is A

10. The approach to restoration is
(A) Spike filtering
(B) Black filtering
(C) Ranking
(D) Inverse filtering

Correct option is D

11. Restoration can’t be done using
(A) Single projection
(B) Double projection
(C) Triple projection
(D) Octa projection

Correct option is A

12. What is the purpose of restoration ?
(A) To gain Pixels
(B) To gain original image
(C) To gain degraded image
(D) To gain coordinates

Correct option is B

13. Gaussian noise is referred to as
(A) Black noise
(B) White noise
(C) Red noise
(D) Normal noise

Correct option is D

14. Filter that performs opposite to band rejected filter is called
(A) Low pass filter
(B) Band pass filter
(C) High pass filter
(D) None of the above

Correct option is B

15. Contra harmonic mean filter generate
(A) Restored image
(B) Degraded image
(C) Original image
(D) Plane

Correct option is A

16. Which is not a type of mean filter ?
(A) Harmonic mean filter
(B) Arithmetic mean filter
(C) Geometrical mean filter
(D) Sequence mean filter

Correct option is D

17. Mean Filter reduce noise by using
(A) Acquisition
(B) Sharpening
(C) Restoration
(D) Blurring

Correct option is D

18. In geometric mean filters when alpha is equal to 0 then it works as:
(A) Notch filter
(B) Parametric filter
(C) Band pass filter
(D) Inverse filter

Correct option is B

19. Images usually gets corrupted during
(A) Restoration
(B) Acquisition
(C) Transmission
(D) Degradation

Correct option is C

20. Low frequency components are passed by:
(A) Max filter
(B) High pass filter
(C) Low pass filter
(D) All of the above

Correct option is C