YOLO, YOLO2 and YOLO9000 are pretty amazing pieces of work. Resnet variations gets more attention and wins more competitions, but in a lot of spaces YOLO* is much more useful.
It deals with all the practical issues of making image recognition fast and scaleable by making sensible tradeoffs.
Very fun! I'll have to spin this up and play around with it. Hopefully, I'll have 1.1.0 TensorFlow/Raspberry Pi binaries compiled and available by the end of the weekend.
One of the side-goals I've been meaning to make time for is training (or porting) a smaller CNN targeted to run closer to real time on the Raspberry Pi- I think a project like this would benefit from that.
It deals with all the practical issues of making image recognition fast and scaleable by making sensible tradeoffs.