Modify detailed README

README.md

@@ -8,14 +8,26 @@ as the [official repo](https://github.com/rcdaudt/fully_convolutional_change_det
 
 [paper link](https://ieeexplore.ieee.org/abstract/document/8451652)
 
-# Usage
+# Basic Usage
 
 ```bash
 # The network definition scripts are from the original repo
 git clone --recurse-submodules git@github.com:Bobholamovic/FCN-CD-PyTorch.git   
 ```
 
+For training, try
+
 ```bash
+# In the root directory of this repository
+mkdir exp
 cd src
 python train.py train --exp-config ../config_base.yaml
-```
+```
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+
+For evaluation, try
+
+```bash
+python train.py val --exp-config ../config_base.yaml --resume path_to_checkpoint
+```
+
+You can find the checkpoints in `exp/base/weights/`, the log files in `exp/base/logs`, and the output change maps in `exp/outs`.
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