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Spectral Reproduction—How Many Primaries Are Needed?

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Reducing metamerism is one of the main goals of spectral printing. There are three fundamental questions to answer in spectral reproduction:

1. What is the optimal number of primaries?

2. Which types of primaries to use?

3. How to find the ink combination that replicates a given spectral reflectance as closely as possible for a given set of primaries?

This paper focuses on the first question. We evaluate the extent to which metamerism is reduced as more and more inks are used. The study considers both a realistic printer and a realistic additive displaysr with both idealized and actual ink reflectances.
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Document Type: Research Article

Publication date: 2007-01-01

More about this publication?
  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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