OpenCV
build openpose
參考資訊：
1. openpose
2. quick-start
步驟如下：
$ cd $ git clone https://github.com/CMU-Perceptual-Computing-Lab/openpose $ mkdir openpose/build $ cd openpose/build $ cmake .. -DCMAKE_TOOLCHAIN_FILE=../toolchain.cmake -DGPU_MODE="CPU_ONLY" $ make -j8