宏福苑大火兩個月：重覓家園路在何方？災後重建難題待解
В Финляндии предупредили об опасном шаге ЕС против России09:28
，详情可参考51吃瓜
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This time, before we perturb the input image, we take the value given by the threshold matrix and divide it by , where is the number of levels for each colour component. As a result, each pixel is perturbed just enough to cover the minimal distance between two colours in the palette. Since the entire palette is evenly distributed across colour space, we only need to modify the range of perturbation along each axis. The dithering equation then becomes: