MCQOPTIONS
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MCQOPTIONS
This section includes 55 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Image Processing knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the name of 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 |
| Answer» B. Tricolor | |
| 2. |
What is the value obtained by the sum of the three trichromatic coefficients? |
| A. | 0 |
| B. | 1 |
| C. | 1 |
| D. | Null |
| Answer» C. 1 | |
| 3. |
Color transformation is modeled using |
| A. | g(x,y) = [Æ(x,y)] |
| B. | g(x,y) = T[Æ(x)] |
| C. | g(x,y) = T[Æ(y)] |
| D. | g(x,y) = T[Æ(x,y)] |
| Answer» E. | |
| 4. |
Color model used for monitors is |
| A. | CMYK |
| B. | BGR |
| C. | RGB |
| D. | CMR |
| Answer» D. CMR | |
| 5. |
RGB colors have range |
| A. | [0,1] |
| B. | [1,2] |
| C. | [1,0] |
| D. | [-1,1] |
| Answer» B. [1,2] | |
| 6. |
Intensity can be converted to color transformation by assigning colors to |
| A. | pixels |
| B. | coordinates |
| C. | pixel depth |
| D. | intensity levels |
| Answer» E. | |
| 7. |
Full color image is a |
| A. | 20 bit image |
| B. | 24 bit image |
| C. | 28 bit image |
| D. | 32 bit image |
| Answer» C. 28 bit image | |
| 8. |
The parameter to distinguish between colors is |
| A. | hue |
| B. | saturation |
| C. | descriptor |
| D. | Both a and b |
| Answer» E. | |
| 9. |
The phenomena of perceiving color through human eye is called |
| A. | physiopsychological |
| B. | psychological |
| C. | physiological |
| D. | physiopsychology |
| Answer» B. psychological | |
| 10. |
Hues opposites to each others are known as |
| A. | edges |
| B. | boundaries |
| C. | complements |
| D. | saturation |
| Answer» D. saturation | |
| 11. |
One that is not a color model is |
| A. | RCB |
| B. | CMYK |
| C. | RGB |
| D. | HSI |
| Answer» B. CMYK | |
| 12. |
Image can be sharpened using |
| A. | low pass filter |
| B. | contouring |
| C. | erosion |
| D. | high pass filter |
| Answer» E. | |
| 13. |
Green plus blue color produces |
| A. | yellow |
| B. | red |
| C. | magenta |
| D. | cyan |
| Answer» E. | |
| 14. |
The color spectrum consists of |
| A. | 4 colors |
| B. | 6 colors |
| C. | 7 colors |
| D. | 8 colors |
| Answer» C. 7 colors | |
| 15. |
RGB color system is based upon |
| A. | Cartesian plane |
| B. | Cartesian system |
| C. | Cartesian plane system |
| D. | Cartesian coordinate system |
| Answer» E. | |
| 16. |
LCD stands for |
| A. | liquid crystal device |
| B. | large crystal display |
| C. | liquid crystal display |
| D. | large crystal device |
| Answer» D. large crystal device | |
| 17. |
Brightness of the light is a subject |
| A. | oriented |
| B. | descriptor |
| C. | matter |
| D. | defined |
| Answer» C. matter | |
| 18. |
What is the equation used for calculating 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) |
| Answer» B. G=3I+(R+B) | |
| 19. |
RGB space is also known as |
| A. | pixels |
| B. | coordinates |
| C. | pixel depth |
| D. | color depth |
| Answer» D. color depth | |
| 20. |
HSI color model stands for |
| A. | hue, system, intensity |
| B. | hue, saturation, intensity |
| C. | high, saturation, intensity |
| D. | high, system, intensity |
| Answer» C. high, saturation, intensity | |
| 21. |
Color pixel is |
| A. | scalar |
| B. | coordinate |
| C. | vector |
| D. | Both a and b |
| Answer» D. Both a and b | |
| 22. |
The total amount of energy from the light source is called |
| A. | brightness |
| B. | reflectance |
| C. | luminance |
| D. | radiance |
| Answer» E. | |
| 23. |
Black level is represented by the formula |
| A. | [Æ(x) = 0] |
| B. | [Æ(y) = 0] |
| C. | [Æ(x,y) = 0] |
| D. | [Æ(x,y) = 1] |
| Answer» D. [Æ(x,y) = 1] | |
| 24. |
Radiance is measured in |
| A. | joule |
| B. | watt |
| C. | lumens |
| D. | meter |
| Answer» C. lumens | |
| 25. |
The amount of energy perceived by the human through the light source is called |
| A. | brightness |
| B. | reflectance |
| C. | luminance |
| D. | radiance |
| Answer» D. radiance | |
| 26. |
Luminance is measured in |
| A. | joule |
| B. | watt |
| C. | lumens |
| D. | meter |
| Answer» D. meter | |
| 27. |
Color model is also called |
| A. | color system |
| B. | color space |
| C. | color area |
| D. | Both a and b |
| Answer» E. | |
| 28. |
Three primary colors are |
| A. | Red, green, blue |
| B. | Red, cyan, blue |
| C. | Red, white, black |
| D. | Red, green, yellow |
| Answer» B. Red, cyan, blue | |
| 29. |
Which of the following color models are used for color printing? |
| A. | RGB |
| B. | CMY |
| C. | CMYK |
| D. | CMY and CMYK |
| Answer» E. | |
| 30. |
Intensity slicing is called |
| A. | density slicing |
| B. | image slicing |
| C. | color slicing |
| D. | region slicing |
| Answer» B. image slicing | |
| 31. |
The visible spectrum ranges |
| A. | 300-600 nm |
| B. | 400-700 nm |
| C. | 500-800 nm |
| D. | 600-900 nm |
| Answer» C. 500-800 nm | |
| 32. |
L*a*b color system is |
| A. | color mapping functions |
| B. | Cartesian system |
| C. | chromaticity |
| D. | colorimetric |
| Answer» E. | |
| 33. |
0 degree of red color in hue image will correspond to |
| A. | boundary |
| B. | edges |
| C. | white region |
| D. | black region |
| Answer» E. | |
| 34. |
Image can be blurred using |
| A. | low pass filter |
| B. | contouring |
| C. | erosion |
| D. | high pass filter |
| Answer» B. contouring | |
| 35. |
For CMYK color space, no of transformations will be |
| A. | n = 2 |
| B. | n = 3 |
| C. | n = 4 |
| D. | n = 5 |
| Answer» D. n = 5 | |
| 36. |
White color in a Cartesian coordinate system can be represented as |
| A. | (0,1,1) |
| B. | (0,1,0) |
| C. | (0,0,1) |
| D. | (1,1,1) |
| Answer» E. | |
| 37. |
In low key images the information lies at |
| A. | high intensities |
| B. | low intensities |
| C. | middle intensities |
| D. | zero intensities |
| Answer» C. middle intensities | |
| 38. |
Color model used for printers is |
| A. | CMYK |
| B. | RCB |
| C. | RGB |
| D. | CMR |
| Answer» B. RCB | |
| 39. |
RGB colors in equal amount give |
| A. | white color |
| B. | magenta color |
| C. | yellow color |
| D. | cyan color |
| Answer» B. magenta color | |
| 40. |
In c(x,y) the x, y are the |
| A. | spatial variables |
| B. | frequency variables |
| C. | intensity variables |
| D. | Both a and b |
| Answer» B. frequency variables | |
| 41. |
Color transformation technique is used in |
| A. | image processing |
| B. | multispectral image processing |
| C. | multi image processing |
| D. | spectral image processing |
| Answer» C. multi image processing | |
| 42. |
Transformation set is also called |
| A. | color mapping functions |
| B. | color space |
| C. | chromaticity |
| D. | Cartesian coordinate system |
| Answer» B. color space | |
| 43. |
Pseudo colors are also known as |
| A. | true colors |
| B. | false colors |
| C. | primary colors |
| D. | secondary colors |
| Answer» C. primary colors | |
| 44. |
The color of an object is determined by the light |
| A. | refracted |
| B. | transmitted |
| C. | reflected |
| D. | absorbed |
| Answer» D. absorbed | |
| 45. |
How many categories does the color image processing is basically divided into? |
| A. | 4 |
| B. | 2 |
| C. | 3 |
| D. | 5 |
| Answer» C. 3 | |
| 46. |
Hue and saturation, both together produce |
| A. | brightness |
| B. | transitivity |
| C. | chromaticity |
| D. | reflectivity |
| Answer» D. reflectivity | |
| 47. |
For HSI color space, no of transformations will be |
| A. | n = 2 |
| B. | n = 3 |
| C. | n = 4 |
| D. | n = 5 |
| Answer» C. n = 4 | |
| 48. |
CRT technology stands for |
| A. | carbon ray tube |
| B. | cathode ray tube |
| C. | cathode ray technology |
| D. | carbon ray technology |
| Answer» C. cathode ray technology | |
| 49. |
Full color images have at least |
| A. | 2 components |
| B. | 3 components |
| C. | 4 components |
| D. | 5 components |
| Answer» C. 4 components | |
| 50. |
In an image accentuating a specific range is called |
| A. | slicing |
| B. | color slicing |
| C. | cutting |
| D. | color enhancement |
| Answer» C. cutting | |