NPTEL Computer Graphics Week 5 Assignment Answers 2024

NPTEL Computer Graphics Week 5 Assignment Answers 2024

1. Color perception results from stimulation of all the three cone types together also known as the _______ theory of vision

a. Tristimulus
b. Triplestimulus
c. Triplevision

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2. Which of the following is not a color model?

a. RGB
b. XYZ
c. CMY
d. ABC

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3. Three techniques are used to make synthesized surfaces look realistic (texture synthesis) : projected texture, ___________ , and solid texturing.

a. texture mapping
b. color mapping
c. shade texturing

Answer :- 

4. Transforming 3D world coordinate scene to a 3D view coordinate system is known as 3D viewing transformation

a. True
b. False

Answer :- 

5. The different spectra of light that result in the sensation of the same color are known as

a. monomers
b. polymers
c. alikemers
d. metamers

Answer :- 

6. Vision accomplished with cones is called ___________ vision. (fill in the blank)

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7. In ___________ projection, the projectors converge to a center of projection at finite distance.

a. parallel
b. perspective
c. distant
d. finite

Answer :- 

8. Which of the following is not a perspective projection anomaly?

a. Perspective foreshortening
b. Vanishing points
c. Clipping window
d. View confusion

Answer :- 

9. The transformation of a 3D scene to a 2D image is known as

a. transformation
b. projection
c. view transformation
d. view window transformation

Answer :- 

10. The fourth stage of 3D graphics pipeline essentially simulates the process of taking of a photograph.

a. True
b. False

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