Add YOLO9000 Model for real-time object detection

[0xPr0xy]

Wondering what the progress is on this TODO.
I would like to convert this model to CoreML .mlmodel too, but am not sure where to start.

[Meirtz]

I am sorry but I am afraid that I don't much time for implementing it on my own recently. But there's other nice project on using YOLO with Core ML: YOLO-CoreML-MPSNNGraph