Image Sampling and Quantization MCQ

1. A continuous image is digitized 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


5. What is the tool used in tasks such as zooming, shrinking, rotating, etc.?
a) Sampling
b) Interpolation
c) Filters
d) None of the Mentioned


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 neighbour interpolation


7. The type of Interpolation where the intensity of the FOUR neighbouring pixels is used to obtain intensity a new location is called ___________
a) cubic interpolation
b) nearest neighbour interpolation
c) bilinear interpolation
d) bicubic interpolation


8. Dynamic range of imaging system is a ratio where the upper limit is determined by
a) Saturation
b) Noise
c) Brightness
d) Contrast


9. For 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