Update README.md

Author: jwyang

README.md

@@ -67,6 +67,7 @@ source | backbone | model | bs | lr | lr_decay | max_iter | sgdet@20 | sgdet@50
 this repo | Res-101 | vanilla | 8 | 5e-3 | 20k,30k | 40k | 10.5 | 13.8 | 16.1
 this repo | Res-101 | imp | 8 | 5e-3 | 20k,30k | 40k | - | - | -
 this repo | Res-101 | msdn | 8 | 5e-3 | 20k,30k | 40k | - | - | -
+this repo | Res-101 | grcnn | 8 | 5e-3 | 20k,30k | 40k | - | - | -
 
 \* you can click 'this repo' in above table to download the checkpoints.