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摘要
En 中文
Displays with repeating patterns of colored subpixels gain spatial resolution by setting individual subpixels rather than by setting entire pixels, This paper describes optimal filtering that produces subpixel values from a high-resolution input image. The optimal filtering is based on an error metric inspired by psychophysical experiments. Minimizing the error metric yields a linear system of equations, which can be expressed as a set of filters. These filters provide the same quality of font display as standard anti-aliasing at a point size 25% smaller. This optimization forms the filter design framework for Microsoft's Clear Type.
Keyword:
anti-aliasing
ClearType
fonts
image processing
liquid crystal displays
optimal filtering
patterned displays
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期刊
IF:
9.6
论文数:
1.1W
被引数:
1.7W
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