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Calibration Color Patch Reduction for Electrophotography

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Abstract:

This paper presents results of reducing color patches printed during a calibration using a variable selection approach for color electrophotography (EP). During a calibration, primary color patches at different halftone levels are printed on a belt and measured using on-board sensors. Regression models are used to predict primary color tone values on output media from these onboard sensor measurements. Then necessary adjustments using tone correction or other control variables can be applied to compensate tone deviation. Laying down and measuring color patches consumes time and toner. It is desired to determine a minimal set of color patches for the regression models while ensuring their prediction accuracy. This work proposes a procedure that reduces color patches in regression model development. The procedure applies variable selection algorithms to identify the appropriate number of color patches and their associated halftone levels. Results demonstrate that the proposed method can use 45% fewer color patches for the regression models while maintaining prediction accuracy effectively the same as that of models using all the available color patches.

Document Type: Research Article

Publication date: 2011-01-01

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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