Two thoughts: Pretty sure anthropologists can identify race from a skeleton. If medics can't from an xray then that's just because they've never had to - they generally already know. I bet if they practiced they could.
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Replying to @BenLiddicott @eigenrobot
Human anatomy is surprisingly variable. https://www.anatomyatlases.org/AnatomicVariants/SkeletalSystem/Text/NumericalVariation.shtml … Only 20% of people have the "official" number of vertebrae.
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Replying to @BenLiddicott @eigenrobot
Plantaris muscle is absent in 5%-8% of people. https://www.anatomyatlases.org/AnatomicVariants/MuscularSystem/Text/P/29Plantaris.shtml … I only know the muscle exists because it bloody well hurts if you strain it.
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Replying to @BenLiddicott @eigenrobot
If I randomly chose two skeletons, one from Vietnam and the other from Kenya, how likely it is that with NO MEDICAL TRAINING you could tell me which was which?
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Replying to @BenLiddicott @eigenrobot
Point 2: Maybe they've accidentally trained for a confounder? I don't know the dataset so this may be a non-issue, but how were the images processed? Did they come from different systems/machines used in different hospitals serving different communities?
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Replying to @BenLiddicott @eigenrobot
E.g. maybe they're just spotting image aspect ratio/JPG quantisation artefacts. In the 1990s AI had a Big Success spotting tanks in images. Turned out all the "tank" photos were on a sunny day, the "no tank" photos on a cloudy day. Or maybe vice-versa, doesn't matter.
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Replying to @BenLiddicott @eigenrobot
the tank photo thing is probably from the 60s and maybe not true
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Replying to @Braintree0173 @eigenrobot
Maybe it was earlier. I was told the story in the 90's when interviewing for a masters (which I did not take). '60s seems a little early though.
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But even by the 1990's the sort of computational scale we use routinely to categorise cat pictures wasn't available even to gigantic computer labs. $2k will buy you a home supercomputer you could not have for any money in 1990.
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I'm so old I remember when Pentiums were export-restricted as a nuclear weapons technology.
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woh i forgot about that wait did that happen?
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