Update README.md

Author: banderlog

README.md

@@ -12,6 +12,12 @@ Remove previously installed versions of `cv2`
 pip3 install opencv-python-inference-engine
 ```
 
+## Examples of usage
+
+I'll do more straightforward and well-documented examples of usage in the foreseeable future. But for now, please see the tests folder.
+
+You will need to preprocess data as a model requires and decode the output. A description of the decoding *should* be in the model documentation with examples in open-vino documentation, however, in some cases, the original article may be the only information source. Some models are very simple to encode/decode, others are tough (e.g., PixelLink in tests).
+
 
 ## Why