借助光栅原理，让屏幕发出的光只能从正面特定角度范围内看到，从而实现「大角度防窥」的效果：
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，详情可参考搜狗输入法2026
В начале 2026 года ситуация продолжила ухудшаться. Директор по продажам и маркетингу крупнейшего российского производителя легковушек «АвтоВАЗ» Дмитрий Костромин указал, что речь идет о наихудшем состоянии рынка за 20 лет статистических наблюдений.
Another way to approach dithering is to analyse the input image in order to make informed decisions about how best to perturb pixel values prior to quantisation. Error-diffusion dithering does this by sequentially taking the quantisation error for the current pixel (the difference between the input value and the quantised value) and distributing it to surrounding pixels in variable proportions according to a diffusion kernel . The result is that input pixel values are perturbed just enough to compensate for the error introduced by previous pixels.