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Cartridge Clustering for Improving Tone Prediction Accuracy in Calibration for Color Electrophotography

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The variation of supplementary components, such as cartridges, has been observed to have an impact on the color electrophotographic (EP) process. The preliminary study shows that the cartridge variation affects the calibration sensor mapping which predicts colorimetric tone reproduction (CTR) values on printing media as a function of internal sensor readings from halftone patterns printed on the printer transfer belt. This paper presents the result of the data-driven study to identify the cartridge patterns and further improve the tone prediction accuracy in calibration of EP platform. First, the constrained hierarchical clustering method was applied to generate a variety of cartridge groups according to the characteristics on the sensor mapping. A new sensor mapping model including a cartridge clustering module was proposed not only to compensate for environmental and consumable conditions, but also to consider cartridge variation. The experimental results show that overall accuracy of the sensor mapping can be improved by ∼ 40% on average after considering the cartridge factor.
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Document Type: Research Article

Publication date: 01 January 2012

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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