python 3.6 or 3.7
pytorch >= 0.4

pip install numpy h5py lmdb
pip install visdom  # Optional. If you don't need a web page visualization, don't install it.

# person-reid-lib/lib/utils/manager.py
self._device_dict = xxxx

pip install opencv-contrib-python    # version 3.4.2.17

# person-reid-lib/lib/dataset/utils.py
DataStoreManager.store_optical_flow = True  # if you want to use optical flow, enable it.

# person-reid-lib/tasks/taskname/solver.py
Solver.use_flow = True

# image-dataset
cd person-reid-lib_folder
sh script/server_0.sh

# video-dataset

cd person-reid-lib_folder
sh script/task_video.sh