Update README.md

Author: leeyeehoo

README.md

@@ -15,11 +15,15 @@ PyTorch: 0.4.0
 CUDA: 9.2
 ## Ground Truth
 
-Please follow the `make_dataset.ipynb ` to generate the ground truth.
+Please follow the `make_dataset.ipynb ` to generate the ground truth. It shall take some time to generate the dynamic ground truth. Note you need to generate your own json file.
 
-## Training process
+## Training Process
 
+Try `python train.py train.json val.json 0 0` to start training process.
 
+## Validation
+
+Follow the `val.ipynb` to try the validation. You can try to modify the notebook and see the output of each image.
 
 
 ## References