I saw a video recently that said that captchas learn from the user as a way to train AI, but how does it know that you selected the right option? I’m talking about the captchas that tell you to select all the fire hydrants or traffic lights
In: 4
Captchas will give you a set of answers to select where some of them it thinks it knows the answer already and some it is unsure about. If for example you can select 4 fire hydrants correctly then it will assume the 5th is correct as well. It then gives the same kind of test to many different people and if they all get the first 4 correct and pick the 5th as being a hydrant, it can confidently add that to the data set as being a hydrant.
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