Update README.md

Author: csxmli2016

README.md

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 # [GFRNet](https://arxiv.org/abs/1804.04829)
- [Learning Warped Guidance for Blind Face Restoration](https://arxiv.org/abs/1804.04829)
+ Torch implementation for [Learning Warped Guidance for Blind Face Restoration](https://arxiv.org/abs/1804.04829)
 
 # GFRNet framework
 <img src="./imgs/architecture/pipeline.jpg">