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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.

Document Type: Research Article

Publication date: January 1, 2007

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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