人 民 网 版 权 所 有 ，未 经 书 面 授 权 禁 止 使 用
Author(s): Xiangyu Huo, Shuangli Yue, Xian Wang, Donghui Xu, Li Zhang, Mingli Yang
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Every standard font that includes Cyrillic reuses the Latin glyph outlines. This is a deliberate font design decision, not a rendering quirk. No visual inspection can distinguish them.
An example of dithering using random noise. Top to bottom: original gradient, quantised after dithering, quantised without dithering.