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DOD funds tiny cave camera and iris recognition technology for military, homeland security
Date:4/14/2010

ter. The end result a digitally restored image while not super-resolution, approaches optical limit, the researchers say.

The flat sub-imagers can be tiled unobtrusively almost anywhere, from the underside of a small drone to the outside of a soldier's helmet to the walls of a hallway.

The Panoptes architecture is unique in its ability to adapt its field of view to steer to a region of interest, capturing only images of value, Christensen said. That preserves computing power by eliminating uniform allocation of imaging resources, which is wasteful, he said.

Smart-Iris narrows from wide field-of-view to narrow field-of-view

To develop the biometric Smart-Iris, the adaptive resolution of Panoptes will be paired with iris recognition technology.

"It's very challenging to get the resolution with a wide field-of-view camera, but with a zoom camera, it's hard to find the iris because it's like looking through a soda straw," Christensen said.

Iris recognition currently used worldwide by airports, prisons, laboratories, fitness clubs, hotels and other institutions is the most accurate biometric available because no two irises are alike, said Etter, a former Deputy Under Secretary of Defense who leads SMU's Biometrics Engineering Research Group. The technology is challenged, however, by interference when the iris is being scanned, she said. Problems can include glare, eyelashes, eyelids or dim lighting.

With Panoptes, the camera can start with a wide field-of-view at low resolution, find a face, then narrow to the area of interest the iris. At the same time, Smart-Iris will extend the range of iris acquisition. Instead of one person cooperatively standing motionless with their eye pressed to a scanner, Smart-Iris will make it possible for people to pass through a standard doorway, each one getting their iris scanned without so much as even pausing by equipment mounted on walls or door frames. At the
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Contact: Margaret Allen
mallen@smu.edu
214-768-7664
Southern Methodist University
Source:Eurekalert

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