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.
记住，暗一点，往往比亮一点更有质感。
。业内人士推荐夫子作为进阶阅读
An election that shakes up British politics
As she exited the event center where the deposition was held, Hillary Clinton told reporters that Maxwell had come to the wedding as a guest of someone else and that she had told the committee she only knew Maxwell “as an acquaintance.”
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