Comment on Celery

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OhNoMoreLemmy@lemmy.ml ⁨5⁩ ⁨months⁩ ago

The key issue here is that ‘level of certainty’ doesn’t really mean what you would like it to.

You get back a number yes, but it can change according to what’s visible in the background, the angle that the plants at, how close is it to the camera, and how nice the camera is you’re using (professional photographers use expensive cameras and take shots of different things to everyone else).

Interpreting this score as “how safe is it to eat the plant” is a really bad idea. You will still eat the wrong plant. These scores can lead to very confident random guessing when you show it a plant it’s never seen before.

And no, softmax is a trick for making the scores all sum to one, so you get back a confidence for every possible thing the image could be of.

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