Adapted from a tutorial on Analytics Vidhya
(https://www.analyticsvidhya.com/blog/2016/10/tutorial-optimizing-neural-networks-using-keras-with-image-recognition-case-study/)
Adapted from a tutorial on Analytics Vidhya
(https://www.analyticsvidhya.com/blog/2016/10/tutorial-optimizing-neural-networks-using-keras-with-image-recognition-case-study/)