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End Point Criteria for Evaluating Image Stability of Digital Prints

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A new method for evaluating display life of digital printing materials is discussed. We propose a new criterion for estimating end points using “Modified Image Grade N'” which integrates monocolor fading, gray fading, stain and their balance. It shows the retention of total image quality. We can estimate end points using some threshold of “N'”. Xenon light exposure testing was performed on some digital printing materials such as AgX, D2T2, xerography, and inkjet color photographic prints. End points were calculated on each material with “N'” and other criteria such as ISO 10977. An end point with “N'” matches subjective evaluation better than other methods that define end points separately for color image, gray image, and stain.

Document Type: Research Article

Publication date: 2003-01-01

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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