update readme

Author: hojonathanho

README.md

@@ -1,7 +1,14 @@
 # Denoising Diffusion Probabilistic Models
 
-Experiments run on Google Cloud TPU v3-8.
+Jonathan Ho, Ajay Jain, Pieter Abbeel
+
+Paper: https://arxiv.org/abs/2006.11239
+
+Website: https://hojonathanho.github.io/diffusion
 
+![Samples generated by our model](resources/samples.png)
+
+Experiments run on Google Cloud TPU v3-8.
 Requires TensorFlow 1.15 and Python 3.5, and these dependencies for CPU instances (see `requirements.txt`):
 ```
 pip3 install fire
@@ -26,6 +33,6 @@ If you find our work relevant to your research, please cite:
     title={Denoising Diffusion Probabilistic Models},
     author={Jonathan Ho and Ajay Jain and Pieter Abbeel},
     year={2020},
-    journal={arXiv preprint}
+    journal={arXiv preprint arxiv:2006.11239}
 }
 ```