image processing unit 4 mcq

 

1. For edge detection we use
(A) Shape transition
(B) Sign transition
(C) Color transition
(D) Intensity transition

Correct option is B

2. Edge detection has fundamental.
(A) 2 points
(B) 3 points
(C) 4 points
(D) None of these

Correct option is B

3. . For diagonal edge detection we use
(A) 1D mask
(B) 2D mask
(C) 3D mask
(D) 4D mask

Correct option is B

4.Thresholding is the example of

(A) Continuity
(B) Similarity
(C) Recognition
(D) Discontinuity

Correct option is B

5. In the sense of predicate two regions of the image must be
(A) Same
(B) Different
(C) Overlapped
(D) Disjoin

Correct option is B

6. First derivatives in image segmentation produces
(A) Thick edge
(B) Thin edge
(C) Fine edge
(D) None of the above

Correct option is A

7. Thresholding formulation measures difference between
(A) 2 neighbors
(B) 4 neighbors
(C) 6 neighbors
(D) 8 neighbors

Correct option is D

8. Segmentation is difficult for images that are
(A) Trivial
(B) Non trivial
(C) Illuminated
(D) Low resolution

Correct option is B

9. Segmentation is a process of
(A) Low level process
(B) Edge level process
(C) Mid level process
(D) High level process

Correct option is C

10. Segmentation algorithms depends on intensity values'
(A) Discontinuity
(B) Similarity
(C) Both A and B
(D) None of the above

Correct option is C

11. When the desired object is detected segmentation should be
(A) Paused
(B) Stopped
(C) Cleared
(D) Cntinued

Correct option is B

12. First derivatives in image segmentation produces
(A) Thin edge
(B) Thick edge
(C) Fine edge
(D) Rough edge

Correct option is B

13. Tuple is referred to as
(A) 1D vector
(B) 2D vector
(C) 3D vector
(D) 4D vector

Correct option is B

14. Sets in morphology are referred to as image’s
(A) Objects
(B) Frames
(C) Pixels
(D) None of the above

Correct option is A

15. SE in the morphology process is called
(A) Software engineering
(B) Structuring elements
(C) Structure eliminate
(D) None of the above

Correct option is B

16. Reflection of the rectangular SE is always
(A) Square
(B) Translated
(C) Symmetric
(D) Asymmetric

Correct option is C

17. Digital function derivatives are defined as
(A) Addition
(B) Division
(C) Differences
(D) Multiplication

Correct option is C

18. Examples of similarity approach in segmentation are
(A) Region growing
(B) Region splitting
(C) Extraction
(D) Both A and B

Correct option is D

19. Segmentation is a process of
(A) Low level process
(B) High level process
(C) Edge level process
(D) Mid level process

Correct option is D

20. Accuracy of image segmentation can be improved by the type of:
(A) Image
(B) Division
(C) Processes
(D) Sensors

Correct option is D