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.

Finding ways around the problem There are currently no usable photo data sets of mask-wearing people that can be used to train and evaluate facial recognition systems.

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

NJ Transit's project, according to the FTA website, said it will "use video analytics and artificial intelligence to address COVID-19 exposures on transit vehicles via heat mapping, face mask ...