How open door by face detection?
The netatmo security camera has facial detection. I have no idea how accurate it is.
Do you intend to open a door or unlock a door?
This might get you moving in that direction.
And hopefully you arent two-faced or the lock will really get pissy
Facial rec is getting better. AFAIC Netatmo is about the best for consumer cameras with facial recognition. That said, If I open my laptop which has grandson as my desktop background Netatmo will send me a notification that he has been seen 75% of the time. I actually had to reposition one of my Netatmo aimed at the desk, because is was constantly notifying of unknown faces when the wife was watching Netflix, youtube etc.
NWIH I would trust my door locks on current consumer facial / bio recognition.