Update README.md

Author: adipandas

README.md

@@ -8,6 +8,16 @@ The work here is based on the following literature available:
 4. [Caffemodel zoo](http://caffe.berkeleyvision.org/model_zoo.html)
 5. [Caffemodel zoo GitHub](https://github.com/BVLC/caffe/tree/master/models)
 
-
 Use the caffemodel zoo from the reference [4,5] mentioned above to vary the CNN models and Play around with the codes.
 
+### Install OpenCV
+Pip install for OpenCV (version 3.4.3 or later) is available [here](https://pypi.org/project/opencv-python/) and can be done with the following command:
+
+`pip install opencv-contrib-python`
+
+
+
+
+NOTE: The algorithm shared in this repository was programmed and tested on Windows PC.
+
+