I know this is a shot in the dark, as you linked the site, so I don't know how i...

		fein on Sept 7, 2012 \| parent \| context \| favorite \| on: FBI launches $1 billion face recognition project I know this is a shot in the dark, as you linked the site, so I don't know how in depth you may have dived into the issue: > Partially obscure the nose-bridge are: The region where the nose, eyes, and forehead intersect is a key facial feature. Wouldn't a big pair of aviators, or any sunglasses, pretty much take care of this?

This is explicitly discussed on the linked page.