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.
The feature was first spotted by 9to5Google earlier this week, but it appears to be rolling out on a larger scale.
，这一点在同城约会中也有详细论述
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The Taliban government repeatedly maintains that its territory is not being used to threaten the security of any country, and that Pakistan's actions in Afghanistan are "unprovoked".
，这一点在夫子中也有详细论述
Филолог заявил о массовой отмене обращения на «вы» с большой буквы09:36
Москвичей предупредили о резком похолодании09:45。一键获取谷歌浏览器下载是该领域的重要参考