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A Second-Generation Portable Instrument for DOI (Distinctness of Image) Measurement

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DOI or Distinctness of Image is now recognized as an important appearance attribute, particularly for photographic images. In NIP21, we introduced our first-generation portable instrument for DOI measurement, the DIAS. Since its introduction, the DIAS has been used primarily by printer and media manufacturers for quantitative analysis of print and media quality. In this paper, we describe the second generation device, the DIAS-II, with a broader measurement range capability. The DIAS-II is even more compact, more reliable, easier to use, and costs less than the first generation device. We discuss the new hardware design, improvements in the analysis method, techniques for enhancing the manufacturability and the performance of the system, and applications beyond print media characterization.

Document Type: Research Article

Publication date: January 1, 2009

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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