pip install -r requirements.txt  --user

git clone https://github.com/NVIDIA/apex.git
cd apex
pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" ./

@inproceedings{gu2019cas,
  title={Cascade Cost Volume for High-Resolution Multi-View Stereo and Stereo Matching},
  author={Gu, Xiaodong and Fan, Zhiwen and Zhu, Siyu and Dai, Zuozhuo and Tan, Feitong and Tan, Ping},
  journal={arxiv preprint arXiv:1912.06378},
  year={2019}
}