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## Computer Science

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problem 1:

describe the A-buffer polygon scan conversion algorithm by using 44 sub-pixels in all pixels.

problem 2:

It is possible to signify continuous tone grayscale images by using just black ink on white paper as of limitations in the human visual system. Describe how and why.

problem 3:

describe an algorithm which, given a grayscale image, will generate a black and white (bi-level) image of four times the resolution in each dimension which gives a good approximation to the grayscale image.

problem 4:

describe an algorithm which draws a Bezier cubic curve to a specified tolerance by using straight lines.

problem 5:

Illustrate an algorithm for clipping a line against a rectangle.

problem 6:

A Bezier cubic curve could be clipped and drawn by using the algorithm in (1) to produce straight lines and the algorithm in (b) to do the clipping. Illustrate a more efficient algorithm that draws a Bezier cubic curve clipped against the rectangle.

Computer Graphics, Computer Science

• Category:- Computer Graphics
• Reference No.:- M98986

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