Photo: #The Computer Vision and Robotics lab at the University of Illinois at Urbana-Champaign conducts facial expression analysis based on multilinear algebra.

The new face of security

Broadcast: Midmorning, 08/31/2006, 10:06 a.m.

Security officials in airports across the country are stepping up the use of a new screening technique that examines behavior instead of bags. Midmorning will find out how facial expressions and other nonverbal communication can reveal emotion and how officers are using this information to screen passengers.

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with Bob Collins