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首页> 外文会议>SPIE Conference on Color Imaging : Displaying, Processing, Hardcopy, and Applications >A Joint Color Trapping Strategy for Raster Images
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A Joint Color Trapping Strategy for Raster Images

机译：光栅图像的联合捕获策略

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Misalignment between the color planes used to print color images creates undesirable artifacts in printed images. Color trapping is a technique used to diminish these artifacts. It consists of creating small overlaps between the color planes, either at the page description language level or the rasterized image level. Existing color trapping algorithms for rasterized images trap pixels independently. Once a pixel is trapped, the next pixel is processed without making use of the information already acquired. We propose a more efficient strategy which makes use of this information. Our strategy is based on the observation of some important properties of color edges. Combined with any existing algorithm for trapping rasterized images, this strategy significantly reduces its complexity. We implement this strategy in combination with a previously proposed color trapping algorithm (WBTA08). Our numerical tests indicate an average reduction of close to 38% in the combined number of multiplications, additions, and "if' statements required to trap a page, as compared with WBTA08 by itself.
机译：用于打印彩色图像的颜色平面之间的错位在打印图像中创建不良伪像。颜色诱捕是一种用于减少这些伪影的技术。它包括在页面描述语言级别或光栅化图像级别之间创建颜色平面之间的小重叠。现有的颜色捕获算法，用于独立绘制图像陷阱像素。一旦像素被捕获，就处理下一个像素而不使用已经获取的信息。我们提出了更有效的策略，它利用了这些信息。我们的策略基于观察颜色边缘的一些重要属性。结合任何用于捕获光栅化图像的现有算法，该策略显着降低了其复杂性。我们与先前提出的颜色捕获算法（WBTA08）结合实施该策略。我们的数值测试表明，与自身的WBTA08相比，在捕获页面所需的组合次数，添加和“IF”语句中，平均减少了接近38％。

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