Requirements installation tutorial.md

1. Linux os (Ubuntu 18.04 or 20.04), Nvidia GPU (e.g. 2080ti) , 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=10 , Then install cudnn : conda install cudnn=7.6.0
4. Install other requirements by pip command, such as pip install tensorflow-gpu==1.15.0, pip install tqdm, pip install glob and so on.
5. Place the downloaded dataset in the corresponding directory, and then perform training and testing.