Mask r-cnn Faster r-cnn

https://blog.athelas.com/a-brief-history-of-cnns-in-image-segmentation-from-r-cnn-to-mask-r-cnn-34ea83205de4

Mask R-CNN
https://arxiv.org/abs/1703.06870
http://kaiminghe.com
https://www.zhihu.com/question/57403701

Faster R-CNN
https://github.com/rbgirshick/py-faster-rcnn

https://devtalk.nvidia.com/default/topic/974063/caffe-failed-with-py-faster-rcnn-demo-py-on-tx1/