update readme

readme.md

@@ -2,12 +2,12 @@
 Example
 ```
 python train.py --model SRNetRot90
-python validate.py --val_datasets Set5,Set14,B100,Urban100,Manga109 
+python test.py --test_datasets Set5,Set14,B100,Urban100,Manga109 
 
 python transfer_to_lut.py 
 
 python train.py --model_path /wd/lut_reproduce/models/last_transfered_lut.pth --total_iter 2000
-python validate.py --val_datasets Set5,Set14,B100,Urban100,Manga109 
+python test.py --test_datasets Set5,Set14,B100,Urban100,Manga109 
 
 python image_demo.py 
 ```
@@ -15,13 +15,17 @@ python image_demo.py
 Help
 ```
 python train.py --help
-python validate.py --help
+python test.py --help
 python transfer_to_lut.py --help
 python image_demo.py --help
 ```
 
 Requirements:
+```
+pip install shedulefree tensorboard opencv-python-headless scipy pandas
+```
 - [shedulefree](https://github.com/facebookresearch/schedule_free)
 - tensorboard
 - opencv-python-headless
 - scipy
+- pandas