大神代码链接
称之为MTCNN人脸检测算法，同时有大神已经GitHub上开源了其基于caffe的C++ API 的源代码，https://github.com/DaFuCoding/MTCNN_Caffe 再次感谢大神以及开源~
1. 安装依赖
sudo apt-get install libprotobuf-dev libleveldb-dev libsnappy-dev libopencv-dev libboost-all-dev libhdf5-serial-dev libgflags-dev libgoogle-glog-dev liblmdbdev protobuf-compiler
2. 安装pip + numpy
apt-get install python-pip
pip install numpy
3
cd MTCNN_Caffe
cmake .
make
mark ubuntu 16.04 64bit + cpu only install mtcnn
原文：https://www.cnblogs.com/luoyinjie/p/9019072.html