1. How many categories does the color image processing divided into?

a) 4

b) 2

c) 3

d) 5

2. What are the names of categories of color image processing?

a) Full-color and pseudo-color processing

b) Half-color and full-color processing

c) Half-color and pseudo-color processing

d) Pseudo-color and Multi-color processing

3. What are the basic quantities that are used to describe the quality of an achromatic light source?

a) Radiance, brightness, and wavelength

b) Brightness and luminance

c) Radiance, brightness, and luminance

d) Luminance and radiance

4. What is the quantity that is used to measure the total amount of energy flowing from the light source?

a) Brightness

b) Intensity

c) Luminance

d) Radiance

5. What are the characteristics that are used to distinguish one color from the other?

a) Brightness, Hue, and Saturation

b) Hue, Brightness, and Intensity

c) Saturation, Hue

d) Brightness, Saturation, and Intensity

6. What are the characteristics that are taken together in chromaticity?

a) Saturation and Brightness

b) Hue and Saturation

c) Hue and Brightness

d) Saturation, Hue, and Brightness

7. Which of the following represent the correct equations for trichromatic coefficients?

a) x=X/(X+Y+Z), y=Y/(X+Y+Z), z=Z/(X+Y+Z)

b) x=(Y+Z)/(X+Y+Z), y=(X+Z)/(X+Y+Z), z=(X+Y)/(X+Y+Z)

c) x=X/(X-Y+Z), y=Y/(X-Y+Z), z=Z/(X-Y+Z)

d) x=(-X)/(X+Y+Z), y=(-Y)/(X+Y+Z), z=(-Z)/(X+Y+Z)

8. What do you mean by tri-stimulus values?

a) It is the amount of red, green, and yellow needed to form any particular color

b) It is the amount of red, green, and indigo needed to form any particular color

c) It is the amount of red, yellow and blue needed to form any particular color

d) It is the amount of red, green, and blue needed to form any particular color

9. What is the value obtained by the sum of the three trichromatic coefficients?

a) 0

b)-1

c) 1

d) Null

10. What is the name of an area of the triangle in C. I E chromatic diagram that shows a typical range of colors produced by RGB monitors?

a) Color gamut

b) Tricolor

c) Color game

d) Chromatic colors

11. Color model is also named as (another name):

a) Color space

b) Color gap

c) Color space & color system

d) Color system

12. What do you mean by the term pixel depth?

a) It is the number of bits used to represent each pixel in RGB space

b) It is the number of bytes used to represent each pixel in RGB space

c) It is the number of units used to represent each pixel in RGB space

d) It is the number of mm used to represent each pixel in RGB space

13. How many bits of RGB color images are represented by a full-color image?

a) 32-bit RGB color image

b) 24-bit RGB color image

c) 16-bit RGB color image

d) 8-bit RGB color image

14. What is the equation used to obtain S component of each RGB pixel in RGB color format?

a) S=1+3/(R+G+B) [min(R,G,B)].

b) S=1+3/(R+G+B) [max(R,G,B)].

c) S=1-3/(R+G+B) [max(R,G,B)].

d) S=1-3/(R+G+B) [min(R,G,B)].

15. What is the equation used to obtain the I(Intensity) component of each RGB pixel in RGB color format?

a) I=1/2(R+G+B)

b) I=1/3(R+G+B)

c) I=1/3(R-G-B)

d) I=1/3(R-G+B)

16. What is the equation used for obtaining R value in terms of HSI components?

a) R=I[1-(S cosH)/cos(60°-H) ].

b) R=I[1+(S cosH)/cos(120°-H)].

c) R=I[1+(S cosH)/cos(60°-H) ].

d) R=I[1+(S cosH)/cos(30°-H) ].

17. What is the equation used for calculating the B value in terms of HSI components?

a) B=I(1+S)

b) B=S(1-I)

c) B=S(1+I)

d) B=I(1-S)

18. What is the equation used for calculating the G value in terms of HSI components?

a) G=3I-(R+B)

b) G=3I+(R+B)

c) G=3I-(R-B)

d) G=2I-(R+B)

19. Which of the following color models are used for color printing?

a) RGB

b) CMY

c) CMYK

d) CMY and CMYK