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Optimal reproduction of spot colors on a digital press

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Digital presses manufactured by companies such as Hewlett-Packard, NexPress, and Xerox are rapidly gaining acceptance in the marketplace. Since these devices typically use four or a few more colors in their printing processes, the degree to which they can accurately simulate the larger gamut of spot colors is of considerable interest in many applications. Pantone licenses printers at the end of an extensive color evaluation and analysis procedure, during which a lookup table is developed, giving the optimal inking values for matching or simulating each color of the PANTONE MATCHING SYSTEM®. The stability of the printing process over time gets a thorough test during this procedure, which uses both instrumental and visual matching techniques. Gamut mapping algorithms used in commercial profile-building software were developed for the reproduction of images, which are ensembles of colors; they do not usually yield optimal results for the case of individual colors. Development work at Pantone is aimed at a better understanding of how a skilled colorist makes the decisions leading to an optimal simulation of a color.
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Document Type: Research Article

Publication date: 2006-01-01

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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