Requirements installation tutorial.md

1. Linux os (Ubuntu 16.04 or 18.04), Nvidia GPU (1080ti, Titan xp) , Install GPU Driver
2. Use Anaconda or Miniconda to build python environment. The Miniconda version I used can be downloaded here.
3. Install CUDA in conda command window : conda install cudatoolkit=9.0 , Then install cudnn : conda install cudnn=7.1.3
4. Install other requirements by pip command, such as pip install tensorflow-gpu==1.8.0, pip install tqdm, pip install glob and so on.
5. Place the downloaded dataset in the corresponding directory, and then perform training and testing.