Lowest danger rate
这种心理结构，为众多原生宠物品牌提供了明确的切入口。
，这一点在爱思助手下载最新版本中也有详细论述
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.
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