Question 1:

(a) Define what you understand by the following terms:

i) Pixel
ii) Pixel Aspect Ratio
iii) Frame rates.
iv) Animation

In each of the above, use diagrams to illustrate your answers.

(b) Differentiate between Spatial and Temporal Interpolations. In each case give appropriate examples.

(c) Explain what you understand by the term Bezier Curves.

Question 2:

(a) Explain what you understand by Rotoscoping in Graphic effects.

(b) Give details how Rotoscoping could be achieved in Adobe After Effects CS3.

(c) Using one algorithm as example for Video compression, explain why we need video compression.