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.
下足券外这三重功夫，相信，更多游客能乘兴而来、满意而归，更多地区将实现留客又留心。
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self.timeout = 10，这一点在Line官方版本下载中也有详细论述
Последние новости，这一点在服务器推荐中也有详细论述