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Comment on Not likely to be AI-generated or Deepfake

Ehhh you’d be surprised how much small highlights and true dark values will skew an average. You don’t really get blown out or completely under exposed parts of AI generated images. It keeps trying to add some saturation.

I will say I’m getting different brightness levels than you are but it’s not a big deal. Point made.

However I will say saturation is also pretty much 50% across the board for all the colors so maybe there is something there to use as an indicator. The average color always comes out grey toned somehow.

Testing it myself has been pretty spot on.

Just to point it out, here is a photo I took to mimic the red man. And the color average from it.

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vithigar@lemmy.ca ⁨4⁩ ⁨days⁩ ago
Also, this is tangential to the rest of our conversation, but I appreciate the dedication to the comment chain required to actually set up something with similar composition to the red man image and take a picture of it. Even has some black in the image in roughly the same size and area as his sweater. :D

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vithigar@lemmy.ca ⁨4⁩ ⁨days⁩ ago
I’m not sure what you mean by the saturation being around 50% across the board. If I peek the HSB of all of the averages only that first teal-ish one appears to be around the mid point for saturation.

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- Krauerking@lemy.lol ⁨4⁩ ⁨days⁩ ago
  When I look at the HSL of those colors I get 60, 54 and 46 (ignoring the ocean one cause I just don’t have that open anymore) for the S (saturation) value.
  
  Like I said it’s weird that we are getting different values cause your brightness also wasn’t in line with what I had. And that wouldn’t be a screen issue.
  
  My red came in at 73% for me.
  
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  - vithigar@lemmy.ca ⁨4⁩ ⁨days⁩ ago
    Odd. I tag your red at 78%. And for what it’s worth this RGB to HSV converter agrees with that number taking your colour hex as C92D20. I certainly don’t know enough about it to offer an explanation as to why it might be different.
    
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    Krauerking@lemy.lol ⁨4⁩ ⁨days⁩ ago
    I am importing mine into a photo editor so might be something with that. Anyways.
    
    Thanks for the examples. It gave me something to think about and the discussion has been interesting. I think there may be details to take away from this but I’m not in a rush to dip back into AI images.
    
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