Setting opencv in virtualenv

1) 가상환경 생성

$ virturalenv env/opencv --python=python3.5

2) 가상환경 활성화

$ source env/opencv/bin/activate

3) 종속성 설치

$ pip3 install numpy

4) 바인딩 설정

$ cd env/opencv/lib

$ cp /usr/local/lib/python3.5/dist-packages/cv2.cpython-35m-x86_64-linux-gnu.so ~/env/opencv/lib/python3.5/site-packages