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Assessing the Lightfastness of Prints by Image Chrominance Histogram Quantification

机译:通过图像色度直方图量化评估印刷品的耐光性

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摘要

In many practical applications, printed images or text are exposed to a light source, making their lightfastness an important characteristic. Good lightfastness assures good color stability after prolonged use. In this study an accelerated aging procedure using a xenon arc lamp was applied to induce and investigate the degradation of Altona test chart color images and patches of offset and electrophotographic prints on papers made of virgin and 100% recycled fibers. In this article the authors present a new image processing method based on chrominance histogram quantification and discuss its applicability and performance with respect to the conventional spectrophotometric approach. The chrominance histogram quantification method using printed images proves to be a viable alternative to the established spectrophotometric measurements that are implemented on color patches and yield 2D color gamut information.
机译:在许多实际应用中,打印的图像或文本都暴露在光源下,使其耐光性成为重要的特征。良好的耐光性可确保长时间使用后具有良好的色彩稳定性。在这项研究中,使用氙弧灯加速老化过程,以诱导和研究由纯天然纤维和100%再生纤维制成的纸上的Altona测试图彩色图像以及胶印和电子照相印刷品的斑块的降解。在本文中,作者提出了一种基于色度直方图量化的新图像处理方法,并讨论了其相对于常规分光光度法的适用性和性能。事实证明,使用打印图像的色度直方图量化方法是已建立的分光光度测量的可行替代方法,分光光度测量在色块上实现并产生2D色域信息。

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  • 来源
    《Journal of Imaging Science and Technology》 |2012年第6期|060507.1-060507.7|共7页
  • 作者单位

    University of Ljubljana, Faculty of Natural Sciences and Engineering, SneiniSka 5, SI-1000 Ljubljana, Slovenia;

    University of Ljubljana, Faculty of Natural Sciences and Engineering, SneiniSka 5, SI-1000 Ljubljana, Slovenia;

    University of Ljubljana, Faculty of Natural Sciences and Engineering, SneiniSka 5, SI-1000 Ljubljana, Slovenia;

    University of Ljubljana, Faculty of Natural Sciences and Engineering, SneiniSka 5, SI-1000 Ljubljana, Slovenia;

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