如何用PIL减少调色板 [英] How to reduce color palette with PIL

问题描述

我不知道我将如何减少PIL映像的调色板。我想减少一个图像的调色板到该图像中发现的5个突出的颜色。

I'm not sure how I would go about reducing the color palette of a PIL Image. I would like to reduce an image's palette to the 5 prominent colors found in that image. My overall goal is to do some basic color sampling.

推荐答案

这很容易，只需使用未记录的颜色参数：

That's easy, just use the undocumented colors argument:

result = image.convert('P', palette=Image.ADAPTIVE, colors=5)

我使用Image.ADAPTIVE避免抖动

I'm using Image.ADAPTIVE to avoid dithering

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