Comment on Not likely to be AI-generated or Deepfake

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vithigar@lemmy.ca ⁨3⁩ ⁨weeks⁩ ago

I’d expect that many images are going to be somewhere near 50% grey if you average their luminance out overall. That’s just the average of every colour though. The fact that averaging a range of things tends toward a standard distribution isn’t particularly surprising. Again though, it’s not hard to get a diffusion model to generate something outside of that expectation.

Prompt: “night sky”

Image:

Image

Average colour:

Image

Average brightness: 21%

Prompt: “lineless image of an old man drawn in yellow ink on white background”

Image:

Image

Average colour:

Image

Average brightness: 90%

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