Detector for faces with masks / no masks on top of them.
[https://github.com/X-zhangyang/Real-World-Masked-Face-Dataset] [https://makeml.app/datasets/mask]
[http://www.robots.ox.ac.uk/~vgg/data/vgg_face2/] [http://shuoyang1213.me/WIDERFACE/]
Prepare annotations for widermask with Preparation script