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Model-Based Calibration Approach to Improve Tone Consistency for Color Electrophotography

机译：基于模型的校准方法可改善彩色电子照相的色调一致性

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摘要

This paper aims to improve tone consistency for color electrophotography (EP). Color accuracy is crucial for printing. Calibrations are performed in EP printers to maintain consistent tone reproduction curves (TRCs). The calibration performance directly impacts the quality of color rendering. In this study, a model-based calibration approach is proposed to stabilize the TRCs. Regression models are developed to predict the primary color TRCs based on operating conditions and/or on-board sensor measurements. During a calibration, TRCs are predicted by the regression models, and the deviation is compensated by adjusting EP control parameters and modifying the tone correction mapping. The effectiveness of the proposed approach is validated using an off-the-shelf in-line four color EP printer under various environmental conditions and consumable factors. The experimental results demonstrate a 63.3% reduction in root-mean-squared error over the existing calibration method.
机译：本文旨在改善彩色电子照相（EP）的色调一致性。色彩精度对于打印至关重要。在EP打印机中执行校准以保持一致的色调再现曲线（TRC）。校准性能直接影响彩色显示的质量。在这项研究中，提出了一种基于模型的校准方法来稳定TRC。开发了回归模型以根据操作条件和/或车载传感器测量值来预测原色TRC。在校准期间，通过回归模型预测TRC，并通过调整EP控制参数和修改色调校正映射来补偿偏差。使用现成的在线四色EP打印机在各种环境条件和消耗因素下验证了该方法的有效性。实验结果表明，与现有的校准方法相比，均方根误差降低了63.3％。

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  • 来源
    《Journal of Imaging Science and Technology》 |2011年第6期|p.060505.1-060505.9|共9页
  • 作者

    Yan-Fu Kuo; Chao-Lung Yang; George T.-C. Chiu; Yuehwern Yih; Jan P. Allebach; Dennis A. Abramsohn;

  • 作者单位

    Department of Bio-industrial Mechatronics Engineering, National Taiwan University, Taipei 106, Taiwan;

    Department of Industrial Management, National Taiwan University of Science and Technology, Taipei 106, Taiwan;

    School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907;

    School of Industrial Engineering, Purdue University, West Lafayette, Indiana 47907;

    School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907;

    Hewlett-Packard Company, Boise, Idaho 83714;

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