SmileDetector
Smile detector in OpenCV as a school project
Command line parameters:
- help - displays help
- learn - captures happy and sad templates
- once - stops after captured face state, returns 0 - happy, 1 - sad or 2 - error
- nocam - to not show capture window, used with parameter 'once' only
- happy_path sad_path - overides template paths, used with parameter 'learn' or none