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Optimal Clustered-Dot Color Screen Design Based on a Human Visual System Model

机译:基于人眼视觉系统模型的最优分簇彩色网屏设计

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摘要

We address the periodic clustered dot color screen design problem. In traditional clustered dot color screening, the screen for each colorant is rotated to a different angle relative to the others. If the angles are not carefully chosen, visible moire and rosette artifacts may appear. These artifacts primarily result from the interaction of the periodic structures associated with the halftone screens of different colorants. Registration errors can also introduce unwanted artifacts in the screened images. Using lattice theory and a model for the perceived rendered halftone, we present a systematic method for designing moire and rosette free clustered dot color screens for discrete-raster color systems. We also investigate strategies for making the resulting screen robust to registration errors.
机译:我们解决了周期性聚集点彩色屏幕设计问题。在传统的簇状点色筛网中,每种着色剂的筛网都旋转到相对于其他着色剂的不同角度。如果未仔细选择角度,则可能会出现可见的莫尔条纹和玫瑰花饰。这些伪影主要是由与不同着色剂的半色调网屏相关的周期性结构的相互作用产生的。配准错误还会在屏幕图像中引入不需要的伪像。使用晶格理论和可感知的渲染半色调模型,我们提出了一种用于离散光栅色彩系统设计无网纹和玫瑰花结的簇状点彩色屏的系统方法。我们还研究了使生成的屏幕对注册错误具有鲁棒性的策略。

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