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Really cool. I wish the team behind this would publish an article on the making of. I'd love to know how they built this. Especially for legality and such? I doubt government would go "yeah sure, replace the safety signs designed to keep people safe with your project". Does anyone have any ideas on how they did this?

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Not exactly an article, but here's a brief video from them: https://www.youtube.com/watch?v=O4ZrOn8y-XE

This is great, thanks!

I think this was just an ad campaign at that traffic light and not actually going to be implemented everywhere in the city.

As far as how they built it, seems like basic computer vision.

If you really wanted to simplify it, just use a Kinect. :)

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