I'm under the impression that when pi4 will be released it will have a powerful gpu to run neural nets. Now that tf is getting optimised for low end devices and models are getting open sourced, it would be possible to run live offline image recognition and speech recognition on pi.
I imagine a proliferation of robots, security cameras and smart open source siri/alexas
I imagine a proliferation of robots, security cameras and smart open source siri/alexas