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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.
Curves and Surfaces - Modeling and Rendering We have studied the method of drawing curves in diverse coordinate systems. Also we got the concept that it is the revolution of
Liang Barsky line clipping algorithm : The algorithm uses parametric form of the line segment. Four inequalities are created using the parametric form of the line segments. Th
Animation Tools: Hardware tools: PCs ,Macintosh, Amiga Software tools: - Softimage ( Microsoft) ; - Alias/ Wavefront ( SGI) - 3D s
Algorithms for Basic Line Segment Plotting There are two important algorithms for basic line segment plotting-DDA algorithm and Bresenham algorithm. Both the algorithms use th
Types of Refresh Monitors - Raster Scan and Random Scan There are two types of refresh monitors, i.e. the Raster Scan and Random Scan that will be illustrated separately.
Given two triangles P along with vertices as P1(100,100,50), P2(50,50,50), P3(150,50,50) and q along with vertices as Q1(40,80,60), q2(70,70,50), Q3( 10,75,70), determine that tria
What is uniform rational splines
Important Points about the Curve segment - properties of bezier curves Note : if P (u) → = Bezier curve of sequence n and Q (u) → Bezier curve of sequence m. After that Co
basic video controller operations
What are the advantages of laser printer High speed, precision and economy. Quality printers. .Cheap to handle Lasts for longer time.
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