The US Department of Homeland Security has carried out trials to test whether facial recognition algorithms could correctly identify masked individuals.

Masks can fool facial recognition systems, but the algorithms are learning fast A new government report reviewed how nearly 100 facial recognition systems are faring in the Covid-19 pandemic.

Mask detector running on a Jetson Nano 2GB using AlwaysAI toolkit for transfer learning on a face detection network -- showing a correctly detected un-masked face.