General MCQ for Digital Imaging

1. A certain oscilloscope with a 4cm by 4cm screen has its sweep output fed to its input. If the x and y sensitivities are the same, the oscillosope will display a_______.

2. In which of the following image segmentation techniques are quad- trees used?

3. Which of the following is a linear filtering method?

4. Which of the following is an image data compression technique?

5. Which of the following is an application of the digital image processing?

6. Inter-frame coding technique exploits the ______ between successive frames.

7. Which of the following types of photoreceptors does the retina of the human eye contain?

8. Which of the following statements represents the Bloch's law?

9. The Wiener filter can be implemented in the frequency domain via_______.

10. Under which of the following conditions is the phenomenon called contouring used?

11. Which of the following filters is used for image restoration?

12. Which of the following is an image restoration model?

13. To which of the following types does Weiner filtering belong?

14. Contrast stretching is an_______.

15. If two sinusoidal voltage signals, between 0 and 90 degree out of phase and of equal amplitude and equal frequencies: in a CRO are applied to the horizontal and vertical deflection plates, what shape will appear on the screen?

16. Two objects with different surroundings can have identical _______ but different ________.

17. Which of the following is a moment based feature of an image?

18. Which of the following techniques is used in analog to digital (ADc)conversion?

19. Of which of the following types is the general response of image detectors and recorders?

20. Which of the following is an image analysis technique?

21. Which of the following is not a method of predictive coding?

22. Which of the following is a method to reduce speckle noise?

23. Which of the following noises is produced when monochromatic radiation is scattered from a surface and when roughness is of the order of a wavelength?

24. Which part of the human eye acts as an aperture?

25. Which of the following is a color coordinating system used for TV. Receivers?

26. Edge detection in image analysis is used to_______.

27. Which of the following statement is true?

28. By which of the following types of light is an object scanned in the scan-in method?