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Asked: 2026-05-19T03:08:29+00:00

I have an image where the colors are BGR. How can I transform my

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I have an image where the colors are BGR. How can I transform my PIL image to swap the B and R elements of each pixel in an efficient manner?

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  1. Editorial Team

    Assuming no alpha band, isn’t it as simple as this?

    b, g, r = im.split()
im = Image.merge("RGB", (r, g, b))

    Edit:

    Hmm… It seems PIL has a few bugs in this regard… im.split() doesn’t seem to work with recent versions of PIL (1.1.7). It may (?) still work with 1.1.6, though…

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