Explain the term Image scanners
Explain the term Image scanners?
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♦ Drawings, color and black and white photos or text can be given as an input to the computer with an optical scanning mechanism.
♦ According to reflected light intensity the gradations of gray scale or color can be stored in an array
Explain briefly the method of Area Subdivision and write down the short note on it assumptions?
What are the benefits of rendering polygons through scan line technique?
What is aliasing and antialiasing? Briefly explain both the terms.
Write short notes on rendering the bi-cubic surface patches of the constant u and v technique?
Illustrate the term Graphics Tablet?
Distinguish between Random and Raster Scan display devices?
What is pixel phasing?
Briefly describe orthographic projection and oblique projection.
What do you understand by the term scan conversion?
Describe the categorization of the light sources. Explain each in brief.
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