Update README.md

README.md

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 # [DnCNN](http://www4.comp.polyu.edu.hk/~cslzhang/paper/DnCNN.pdf)
 # [Beyond a Gaussian Denoiser: Residual Learning of Deep CNN for Image Denoising](http://ieeexplore.ieee.org/document/7839189/)
 
-# New Training and Testing Codes ([Keras](https://keras.io/))
+# New Training and Testing Codes ([Keras](https://keras.io/) and [PyTorch](https://pytorch.org/))
 
 - [DnCNN-keras](https://github.com/cszn/DnCNN/tree/master/TrainingCodes/dncnn_keras)
 
+- [DnCNN-pytorch](https://github.com/cszn/DnCNN/tree/master/TrainingCodes/dncnn_pytorch)
+
 # Training ([MatConvNet](http://www.vlfeat.org/matconvnet/))
 
 - [Simplenn](http://www.vlfeat.org/matconvnet/wrappers/) version