From: jamesd@echeque.com
Date: Fri, 12 Apr 1996 00:49:40 +0800
To: K00l Secrets <cypherpunks@toad.com
Subject: On computer face recognition:
Message-ID: <199604110601.XAA05984@dns2.noc.best.net>
MIME-Version: 1.0
Content-Type: text/plain



On computer face recognition:


>> Shaving probably will not be a problem, but holding your head at a
>> slightly different angle...  will screw up the system totally,
>> unless the system has radically improved since the last time I read
>> up on it.

At 11:45 AM 4/9/96 -0500, K00l Secrets wrote:
> Well, the systems I have seen are quite good at finding people's eyes.
> Scaling (for distance), and rotation (for the angle of your head)
> therefore don't really confuse the system once it has your eyes.

Finding the eyes can only control for rotations in the plane of 
the image, when you tilt your head to one side.  They cannot 
handle the much more common case of 3D rotations, where you 
look slightly to the right or slightly to the left of camera.
Facial expressions also throw them badly.
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