I have heard that they are used to train AI and self driving cars and what not, but if thats the case how do they know the right answers to things. IF they need to train AI to know what a traffic light is, how do they know im actually selecting traffic lights? and could we just collectively agree to only select the top right square over and over and would their systems eventually start to believe it that this was the right answer? Sorry this is a lot of questions
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I did m-turk for a while. One of the common things you got paid for was to do the pictures for the captcha. They would ask you to select the ones with cars or traffic lights or whatever.
I’m relatively sure those captcha things don’t actually use ai at all and just rely on you answering the tiles it knows are correct.
Recently I had one where it asked to identify all the “cabs”. 2-3 of the images clearly had a cab, which i selected. One image had a yellow car that was not a cab. The captcha continued to fail until i selected the yellow car as well, even though it was clearly not a cab.
I felt much worse about it than I probably should have, in providing wrong information.
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The whole “traffic light CAPTCHA being used to train AI cars” is actually a myth, at least with respect to Google and Waymo. They have explicitly refuted the idea that they’re using CAPTCHA data to train automated cars.
If you’re looking at one of those picture grids where it wants you to do something like picking all the traffic lights, then you have 9 pictures to start with.
There’s at least 1 picture that it definitely knows has a traffic light.
There’s at least 1 picture that it definitely knows doesn’t have a traffic light.
Then there are up to 7 pictures that it isn’t sure whether or not they have traffic lights.
When you make your selection, the system is making sure you selected the positive control, making sure you didn’t select the negative control, and assuming those are correct, it passes your CAPTCHA, and it also adds the data about the unknown pictures that you entered.
Well, the AI is already pretty well trained for the captchas – they are just refining rather than building from scratch. So, for example, maybe _one_ of those images or words is confusing to the AI and _that_ is the one getting trained but the others are all known.
Regardless, they aren’t actually verifying you based on your answers; they are tracking your mouse movements to make sure there is enough noise in the data to ensure you are human. That is what verifies you, not your answers.
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