You could probably do something crude on an M4. Here's a fairly performant face detector in tensorflow: https://github.com/iitzco/faced https://github.com/iitzc

You could probably do something crude on an M4. Here's a fairly performant face detector in tensorflow: https://github.com/iitzco/faced https://github.com/iitzco/faced You'd probably need to roll your own lightweight face vectorizer though.