“每个小姐我都跟她们说，男人啊爱情啊不要看那么重，做小姐要钱，不要花时间和青春，最多5年就不要再做啦，5年已经很久了，样子都会变老，10年就找不到男朋友了，”Maggie姐说，“出去以后做点小生意，不要让别人知道以前做过小姐。”
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Most of the algorithms described here are quite straightforward to implement. Some of them can be written in just a few lines of code, and those that require a bit more effort can be better understood by reading through the relevant papers and links I have provided. The exception to this are those that rely on the Delaunay triangulation to work. Robust Delaunay triangulations in 3D are fairly complex and there isn’t any publicly available software that I’m aware of that leverages them for dithering in the way I’ve described.
You look at a region of the image. If all the pixels are roughly the same color (below some threshold), you store the average color for the whole region as a single value. If the pixels vary too much, you split the region into four quadrants and try again.