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Correlating Changes in Densitometry and Colorimetry in the Context of the Light-Induced Fade of Inkjet Photographic Prints

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The current ANSI standard method for evaluating the image stability of photographic prints (ANSI IT9.9-1996) calls for the use of densitometry in order to determine the extent of light-induced fade and to provide an estimate of print-life under real-world conditions. End-of-life criteria based on densitometry can involve monitoring simultaneously as many as 24 different end-points (excluding changes to Dmin). Conceivably, end-of-life criteria based on colorimetric measures such as ΔE or ΔC could reduce the number of end-points from 24 to as few as 7—one criterion for each primary (cyan, magenta, yellow), secondary (blue, green, red), and neutral (gray/black) test patch. In the context of evaluating inkjet photographic prints based on hundreds of different combinations of various manufacturers' inks and receivers, we have been following the kinetics of dye-fade by both Status A densitometry and CIELAB colorimetry. In this report, we will begin to explore the empirical correlation between densitometric and colorimetric measures of color change.
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Document Type: Research Article

Publication date: 2002-01-01

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  • 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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