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Classical Halftoning

• Use dots of varying size to represent intensities

• Area of dots proportional to intensity in image

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Halftone patterns

• How many intensities in a n x n cluster?

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Example of Halftone

Left: Halftone dots.

Right: How the human eye would see this sort of arrangement from a sufficient distance.

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Reference

• http://en.wikipedia.org/wiki/Halftone

• http://en.wikipedia.org/wiki/Dithering

www.cs.princeton.edu/courses/archive/fall00/

cs426/.../

dither/dither.pdf

www.cs.bgu.ac.il/~graph071/uploads/58Half Tone.ppt

www.ece.ubc.ca/~irenek/techpaps/introip/m anual04.html

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