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。WPS下载最新地址对此有专业解读
Harriet BradshawScience reporter。业内人士推荐safew官方下载作为进阶阅读
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.