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QUESTION
a) Differentiate between raster and vector images.
b) Explain the concept of bit depth. What is the minimum number if bits required for a one-colour digital image to be photorealistic.
c) What do you understand by the term addressable resolution of a printer?
d) The maximum resolution on the HP printer is 2400 × 1200 dpi. What do these numbers mean?
e) Briefly explain the following terms:
i. Dotsii. Dropsiii. Spots
f) Explain dye sublimation. How does it work?
What is a dot size? Dot size may be explained as the diameter of a single dot on the devices output. Dot size is also known as the Spot size.
Three dimensional display methods: Among the simplest three dimensional surface representations are the polygonal surfaces. A polygonal surface is described by vertices
Determine the transformation matrix for the reflection about the line y = x. Solution: The transformation for mirror reflection regarding to the line y = x, comprises the subs
identify a sphere along with a light source above it; hence its lower half will not be illuminated. In practice in a actual scene this lower half would be partially illuminated thr
Example: Exemplify the Bresenham line generation algorithm through digitizing the line along with end points (20, 10) and (30, 18) Solution: m = (y2 - y1)/( x2 - x1) =
Build a program that allows: 1. using mouse or keyboard to move around on a set of 16 control points; 2. modify the value (drag along x, y, or z) of a point; 3. display
Advantages of JPEG Images Huge compression ratios mean sooner download speeds. JPEG produces outstanding results for main photographs and complicated images. JPEG s
Parallel Projection In parallel projection, objects in scene are projected onto the 2D view plane along rays parallel to a projection vector. Parallel projection is orthogra
What do you mean by emissive and non-emissive displays? EMISSIVE: The emissive display changes electrical energy into light energy. The plasma panels, thin film ele
crt is an analog or digital device
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