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## Computer Science

 Algorithms Design Computer Network & Security Automata & Computation Operating System Computer Architecture Information Technology Internet Programming Software Engineering Data Communication Computer Graphics Compiler Design LINUX/UNIX Data Structure WINDOWS Application Digital Circuit E-Commerce Microprocessor Artificial Intelligence Data Warehouse Cryptography

problem 1:

We wish to generate two algorithms: one which draws the outline of a circle and one which draws a filled circle.

a) describe an efficient algorithm that will draw a one-pixel wide outline of a circle of integer radius, R, centered on the origin.

b) describe the modifications needed to your algorithm to make it draw a filled circle.

problem 2:

Given a function drawline(x1, y1, x2, y2), describe an algorithm for drawing a Bezier cubic curve to a specified level of accuracy by using only straight lines.

problem 3:

Describe why display devices appear to be capable to reproduce (almost) all the colors of the spectrum by using only red, green and blue light.

problem 4:

Illustrate an algorithm (other than thresholding) that will convert a grayscale image (8 bits per pixel) to a bi-level black and white image (1 bit per pixel), with similar number of pixels, while retaining as much feature as possible.

problem 5:

Describe what specular and diffuse reflection is in the real world. State and describe equations for computing approximations to both in a computer.

Computer Graphics, Computer Science

• Category:- Computer Graphics
• Reference No.:- M98981

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