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Reproducing Color Images as Duotones

Joanna L. Power, Brad S. West, Eric J. Stollnitz, and David H. Salesin


We investigate a new approach for reproducing color images. Rather than mapping the colors in an image onto the gamut of colors that can be printed with cyan, magenta, yellow, and black inks, we choose the set of printing inks for the particular image being reproduced. In this paper, we look at the special case of selecting inks for duotone printing, a relatively inexpensive process in which just two inks are used. Specifically, the system we describe takes an image as input, and allows a user to select 0, 1, or 2 inks. It then chooses the remaining ink or inks so as to reproduce the image as accurately as possible and produces the appropriate color separations automatically.


Publication typeInproceedings
Published inSIGGRAPH '96 Conference Proceedings
AddressNew York, NY, USA
PublisherAssociation for Computing Machinery, Inc.
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