Image Quantization, Halftoning, and Dithering

9/22/99


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Table of Contents

Image Quantization, Halftoning, and Dithering

Overview

What is an Image?

Image Acquisition

Image Resolution

Sources of Error

Quantization

Uniform Quantization

Uniform Quantization

Halftoning and Dithering

Classical Halftoning

Classical Halftoning

Halftone patterns

Halftone patterns

Random Dither

Random Dither

Ordered Dither

Ordered Dither

Ordered Dither

Error Diffusion Dither

Floyd-Steinberg Algorithm

Error Diffusion Dither

Summary

 Author: funk

Email: cs426@cs.princeton.edu

Home Page: http://www.cs.princeton.edu/courses/cs426