Update README.md

README.md

@@ -35,9 +35,11 @@ booktitle = {IX Workshop de Visão Computacional (WVC'2013)},
 address   = {Rio de Janeiro, Brazil},
 year      = {2013},
 month     = {Jun},
-url       = {http://iris.sel.eesc.usp.br/wvc/Anais_WVC2013/Poster/2/15.pdf}
+url       = {https://github.com/andrewssobral/bgslibrary}
 }
 ```
+Sobral, Andrews. BGSLibrary: An OpenCV C++ Background Subtraction Library. IX Workshop de Visão Computacional (WVC'2013), Rio de Janeiro, Brazil, Jun. 2013. ([PDF](http://iris.sel.eesc.usp.br/wvc/Anais_WVC2013/Poster/2/15.pdf))
+
 Some algorithms of the BGSLibrary was used successfully in the following papers: 
 * (2014) Sobral, Andrews; Vacavant, Antoine. A comprehensive review of background subtraction algorithms evaluated with synthetic and real videos. Computer Vision and Image Understanding (CVIU), 2014. ([Online](http://dx.doi.org/10.1016/j.cviu.2013.12.005))
 * (2014) Hettiarachchi, C.; Nanayakkara, A.; Dissanayaka, A.; Wijenayake, C.; De Silva, C. Abandoned object detection with logical reasoning. IEEE International Advance Computing Conference (IACC), pp.1137,1141, 21-22 Feb. 2014. ([Online](http://dx.doi.org/10.1109/IAdCC.2014.6779486))