pytorch
conda install pytorch=0.3.0 cuda75 -c pytorch
torchvision
conda install torchvision cuda75 -c pytorch
opencv
conda install --channel https://conda.anaconda.org/menpo opencv3
出现 permission denied 的问题，解决方法：
sudo chown -R sc:sc /home/sc/anaconda3
原文：https://www.cnblogs.com/btschang/p/9629657.html