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The anti-aliasing technique which allows shift of 1/4,1/2 and  3/4 of a pixel diameter enabling a closer path of a line is:

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Important Questions on Computer Graphics

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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 66
In the clipping algorithm of Cohen and Sutherland using region codes, a line is already clipped if the_____.
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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 67
 When several types of output devices are available in a graphic installation, it is convenient to use:
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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 68
Raster systems display a picture from a definition in a:
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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 69
 Back face removal is an example of:
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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 70
Choose the incorrect statement from the following about the basic ray tracing technique used in image synthesis.
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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 71
A cube with side 3 units is placed so that one of its vertices is at the origin, and it has one edge along the positive X, Y and Z axes of a 3-D right-handed coordinate system. What is the homogeneous coordinate transformation matrix, necessary to move the cube so that it has a vertex at the origin and has one edge each along the negative X, negative Y and negative Z axis.
 
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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 72
Hue of a colour is related to its:
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Objective Computer Awareness>Chapter 13 - Computer Graphics>Computer Graphics>Q 73

On 15 X 15 raster of white squares given in figure is stored such that the first square coincides with the top left corner of the raster. The compression ratio attained by run length coding is approximately:

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