[RogerL]

> I can't really see a way for AI cameras to get around properly applied facepaint,

In video people move, and 3D information can be recovered unless their faces are painted with something like Black 2.0. At which point why not just wear a mask?

[pazimzadeh]

Can a person's gait be used as identifying information?

[Jamwinner]

Yes, and the 'rock in the shoe' model has been trained against as well. Good luck.