FWIW Android Open Source face recognition (GrapheneOS on a Pixel 4 XL) didn't work with a mask on unless it was under the nose. It didn't work either with a ba

FWIW Android Open Source face recognition (GrapheneOS on a Pixel 4 XL) didn't work with a mask on unless it was under the nose. It didn't work either with a baseball cap and a mask under the nose.