1.运行faster-rcnn demo.py
No module named _caffe属于没编译好，需要在caffe/lib下编译make，还需要在caffe/py-faster-rcnn/caffe-fast-rcnn下编译make ,还需要make pycaffe
2.运行faster-rcnn demo.py
pip install python-yaml有问题就 sudo pip install python-yaml
原文：https://www.cnblogs.com/AlexHaiY/p/9400402.html