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Design of minimum visual modulation halftone patterns

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3 Author(s)
Sullivan, J.R. ; Eastman Kodak, Rochester, NY, USA ; Ray, L.A. ; Miller, R.

The visibility of binary image noise at low-to-medium dot densities of current binary printers, i.e 300-400 dots/in, is not subthreshold. Standard halftoning algorithms such as clustered-dot or dispersed-dot dither produce periodic patterns at these dot densities that are easily visible at normal viewing distances in uniform areas. A novel method of halftoning computer-generated uniform areas that reduces noise visibility by using a database of minimum visual modulation bit patterns is introduced. Applications include all paint-by-numbers prints such as those that offer tint-fill or object highlighting

Published in:

Systems, Man and Cybernetics, IEEE Transactions on  (Volume:21 ,  Issue: 1 )