Added D2 Net Summary

CNN/ComputerVision/readme.md

@@ -5,6 +5,7 @@ The CNN are at the core of NN which can achieve SOTA on the following types of C
 
 - Recognition 
 - Detection 
+- Features 
 - Segmentation 
 - Localization 
 - Mapping 
@@ -17,7 +18,6 @@ The CNN are at the core of NN which can achieve SOTA on the following types of C
 - Y2019 
 - [Summary](Optimal_Approach_for_Image_Recognition_using_Deep_Convolutional_Architecture.ipynb)
 
-Work in progress 
 
 
 
@@ -27,3 +27,17 @@ Work in progress
 
 
 
+# Features 
+
+[D2-Net: A Trainable CNN for Joint Description and Detection of Local Features](https://dsmn.ml/files/d2-net/d2-net.pdf)
+- Y2019 (CVPR 2019)
+- [Summary](d2_net.ipynb)
+
+
+
+
+
+
+
+Work in progress 
+