[Masterproj] Added discussion and conclusion

Signed-off-by: Jim Martens <github@2martens.de>

masterproj/bib.bib

@@ -25,6 +25,16 @@
   Timestamp                = {2018.05.22}
 }
 
+@Article{Qi2017,
+  Title                    = {Frustum PointNets for 3D Object Detection from RGB-D Data},
+  Author                   = {Qi, Charles R and Liu, Wei and Wu, Chenxia and Su, Hao and Guibas, Leonidas J},
+  Journaltitle             = {arXiv preprint arXiv:1711.08488},
+  Year                     = {2017},
+
+  Owner                    = {jim},
+  Timestamp                = {2018.05.23}
+}
+
 @Inproceedings{Silberman2012,
   Title                    = {Indoor segmentation and support inference from RGBD images},
   Author                   = {Silberman, Nathan and Hoiem, Derek and Kohli, Pushmeet and Fergus, Rob},