Now that really is Big Brother 1984. Does any one really want to go that far although I am sure it will get foisted on us all eventually.
Hmm, isn't the UK pioneering that kind of system. It's 20 years since I was in London but already then I couldn't help to notice there were cameras everywhere. Since then I've learned they are networked and used by the UK government to track people, and they use facial recognition software as well. At that time they said the facial recognition wasn't good enough, it caused too many false positives to be truly useful, but that was many years ago and I couldn't help think that maybe they wanted to downplay the effectiveness a bit. I'm sure the system have and will continue to 'improve' though.
Of course it's more terrifying if used by a totalitarian regime, but as history shows liberal democracies can turn totalitarian rather quickly and then you already have all that nifty surveillance gear in place.
But this is getting far from the topic of the tread.
Anyway, detecting eye contact is probably well within the realm of possibility for a neural network, but maybe you just need some way for the car to signal that it believes you are about to cross the road and that it gives you the right of way. That should not be any more complicated than adding the signalling device since the software already keeps track of that.