cached_feature = metas["cached_feature"]
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.,推荐阅读体育直播获取更多信息
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It’s time to pull the plug on plug-in hybrids
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