https://pypi.python.org/pypi/opencv-python/3.4.0.12
https://pypi.python.org/pypi?%3Aaction=search&term=opencv&submit=search
https://www.lfd.uci.edu/~gohlke/pythonlibs/#opencv
OpenCV, a real time computer vision library.
conda install -c menpo opencv=2.4.13
2.4.13.4-py27_blas_openblas_200 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/conda-forge [blas_openblas]
pip install