clean up

README.md

@@ -8,6 +8,26 @@ In this repository we provide *Jupyter Notebooks* to reproduce the results of :
 
 > Gaetano Agazzotti, Frédéric Sur and Fabien Pierre
 
+The code of the following papers have been used and modified:
+
+> **Colorful Image Colorization**
+
+> ECCV 2016
+
+> Richard Zhang, Phillip Isola, Alexei A. Efros
+
+> [Project Page](http://richzhang.github.io/colorization/)
+
+> **Deep Image Prior**
+
+> CVPR 2018
+
+> Dmitry Ulyanov, Andrea Vedaldi, Victor Lempitsky
+
+> [Project Page](https://dmitryulyanov.github.io/deep_image_prior)
+
+
+
 
 # Install