Another way to look at our threshold matrix is as a kind of probability matrix. Instead of offsetting the input pixel by the value given in the threshold matrix, we can instead use the value to sample from the cumulative probability of possible candidate colours, where each colour is assigned a probability or weight . Each colour’s weight represents it’s proportional contribution to the input colour. Colours with greater weight are then more likely to be picked for a given pixel and vice-versa, such that the local average for a given region should converge to that of the original input value. We can call this the N-candidate approach to palette dithering.
Matthew and Nicola Smith。关于这个话题，im钱包官方下载提供了深入分析
Медведев вышел в финал турнира в Дубае17:59。safew官方下载是该领域的重要参考
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// i表示当前要确定第i小的元素位置