<h2>Detecting smiles in your camera app - additional resources</h2>
- Visual explanation of how Convolutional Neural Networks operate and different architectures to try: https://ujjwalkarn.me/2016/08/11/intuitive-explanation-convnets/ding-Convolutions-In-Text/
- Face recognition embeddings/deep learning metrics: https://www.pyimagesearch.com/2018/06/18/face-recognition-with-opencv-python-and-deep-learning/