Some Chinese researchers dis just this. They projected the facial
   features of another person and had a high success rate. I'll see if I
   can find the articles.

   On Mon, Oct 14, 2019, 10:46 PM jim bell <[1]jdb10987@yahoo.com> wrote:

   On Monday, October 14, 2019, 02:09:51 PM PDT, John Newman
   <[2]jnn@synfin.org> wrote:
   On October 14, 2019 11:53:54 AM UTC, Steven Schear
   <[3]schear.steve@gmail.com> wrote:
   >"By wearing this mask formed like a lens it possible to become
   >unrecognizable for facial recognition software and because of itâs
   >transparence you will not lose your identity and facial expressions.
   So
   >itâs still possible to interact with the people around you."
   >
   >[4]http://jipvanleeuwenstein.nl/
   >Cops in the US keep shooting people in their own homes, who have
   literally done nothing ... I can just imagine what would happen to
   you walking around wearing one of these masks all the time.  Plus,
   your co-workers would be like wtf...
   >It is cool though ;).  Maybe useful in Hong Kong (except I think
   mainland
   China just outlawed all masks)
   One possibility would be  tiny projector (looking somewhat like a
   headphone microphone) which can project a image based on (perhaps)
   infrared onto a person's face.  Unless specifically filtered, ordinary
   silicon-based cameras will be sensitive to near-infrared light.
   Â  Â  Â  Â  Â  Â Jim Bell

References

   1. mailto:jdb10987@yahoo.com
   2. mailto:jnn@synfin.org
   3. mailto:schear.steve@gmail.com
   4. http://jipvanleeuwenstein.nl/