For Ines Tan there's one particular site she turns to again and again for advice – and that's Reddit.
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.
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第二十二条 违反治安管理有下列情形之一的，从重处罚：
Фото: РИА Новости