▲ 传统防窥膜结构，图片来自@上海复瞻智能科技
A notable resource on the topic of ordered dithering using arbitrary palettes is Joel Yliluoma’s Arbitrary-Palette Positional Dithering Algorithm. One key difference of Yliluoma’s approach is in the use of error metrics beyond the minimisation of . Yliluoma notes that the perceptual or psychovisual quality of the dither must be taken into account in addition to its mathematical accuracy. This is determined by use of some cost function which considers the relationship between a set of candidate colours. The number of candidates, the particular cost function, and the thoroughness of the selection process itself give rise to a number of possible implementations, each offering varying degrees of quality and time complexity.
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归根结底，精耕细作、潜心培育，“小而美”文旅业态，一定能实现业态兴、村民富、乡村美，让乡村既有流量，更有“留量”。
《夜王》没有把夜总会拍成“坏地方”，也没有把它拍成“好地方”。它拍的是一种香港式的现实：世界在变，人只能在夹缝里继续做事——继续把灯开着，继续把客人迎进门，继续让笑声出现，直到某一天门真的关上。