Colored pencil filter with custom colors

S. Yamamoto, Xiaoyang Mao, A. Imamiya
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引用次数: 28

Abstract

This paper presents a new technique for automatically converting digital images into colored pencil drawings. In real colored pencil drawing, artists use different colors for different regions, and add pure colors directly onto paper to build the target color through optical blending. To support such effect, our technique extends the existing technique for reproducing color image with custom inks to automatically select the best color set for individual regions in a source image. Then layers of stroke image for each color are generated and superimposed with the Kubelka-Munk optical compositing model. We also allow users to specify regions and to customize the color set for a specified region interactively. The proposed technique can be easily extended to simulate other artistic media featured with optical color blending, such as pastel and wax crayons.
彩色铅笔过滤器与自定义的颜色
本文提出了一种将数字图像自动转换为彩色铅笔画的新技术。在真正的彩色铅笔画中,艺术家对不同的区域使用不同的颜色,并直接在纸上添加纯色,通过光学混合来构建目标颜色。为了支持这种效果,我们的技术扩展了现有的使用自定义墨水复制彩色图像的技术,以自动为源图像中的各个区域选择最佳颜色集。然后生成每个颜色的描边图像层,并与Kubelka-Munk光学合成模型进行叠加。我们还允许用户以交互方式指定区域和自定义指定区域的颜色集。所提出的技术可以很容易地扩展到模拟其他具有光学颜色混合特征的艺术媒介,例如粉彩和蜡笔。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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