1. A continuous image is digitised at _______ points.
A. random
B. vertex
C. contour
D. sampling
2. The transition between continuous values of the image function and its digital equivalent is called ______________
A. Quantisation
B. Sampling
C. Rasterisation
D. None of the Mentioned
3. Images quantised with insufficient brightness levels will lead to the occurrence of ____________
A. Pixillation
B. Blurring
C. False Contours
D. None of the Mentioned
4. The smallest discernible change in intensity level is called ____________
A. Intensity Resolution
B. Contour
C. Saturation
D. Contrast
6. The type of Interpolation where for each new location the intensity of the immediate pixel is assigned is ___________
A. bicubic interpolation
B. cubic interpolation
C. bilinear interpolation
D. nearest-neighbor interpolation
7. The type of Interpolation where the intensity of the FOUR neighboring pixels is used to obtain the intensity of a new location is called ___________
A. cubic interpolation
B. nearest neighbour interpolation
C. bilinear interpolation
D. bicubic interpolation
8. Dynamic range of the imaging system is a ratio where the upper limit is determined by
A. Saturation
B. Noise
C. Brightness
D. Contrast
9. For the Dynamic range ratio the lower limit is determined by
A. Saturation
B. Brightness
C. Noise
D. Contrast
10. Quantitatively, spatial resolution cannot be represented in which of the following ways
A. line pairs
B. pixels
C. dots
D. none of the Mentioned
11. The most familiar single sensor used for Image Acquisition is
A. Microdensitometer
B. Photodiode
C. CMOS
D. None of the Mentioned
12. A geometry consisting of an in-line arrangement of sensors for image acquisition
A. A photodiode
B. Sensor strips
C. Sensor arrays
D. CMOS
13. CAT in imaging stands for
A. Computer-Aided Telegraphy
B. Computer-Aided Tomography
C. Computerised Axial Telegraphy
D. Computerised Axial Tomography
14. The section of the real plane spanned by the coordinates of an image is called the _____________
A. Spacial Domain
B. Coordinate Axes
C. Plane of Symmetry
D. None of the Mentioned
15. The difference in intensity between the highest and the lowest intensity levels in an image is ___________
A. Noise
B. Saturation
C. Contrast
D. Brightness