Digital Halftones by Dot Diffusion

@article{Knuth1987DigitalHB,
  title={Digital Halftones by Dot Diffusion},
  author={Donald E. Knuth},
  journal={ACM Trans. Graph.},
  year={1987},
  volume={6},
  pages={245-273}
}
This paper describes a technique for approximating real-valued pixels by two-valued pixels. The new method, called dot diffusion, appears to avoid some deficiencies of other commonly used techniques. It requires approximately the same total number of arithmetic operations as the Floyd-Steinberg method of adaptive grayscale, and it is well suited to parallel computation; but it requires more buffers and more complex program logic than other methods when implemented sequentially. A “smooth… CONTINUE READING
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References

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Fonts for digital halftones

D. E. KNUTH
TUGboat • 1987
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An adaptive algorithm for spatial grey scale

R. W. FLOYD, L. STEINBERG
SID 75 Digest. Society for Information Display, • 1975
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