Template aging phenomenon in iris recognition

04/06/13

Researchers in the USA have published their latest research into the controversial area of iris template aging.

Publishing their latest paper in the new IEEE online journal IEEE Access, Samuel Fenker, Estefan Ortiz and Kevin Bowyer from the Department of Computer Science and Engineering, University of Notre Dame, say that, while it is a commonly held belief that template aging does not occur for iris recognition, several research groups have recently reported experimental results showing that iris template aging does occur.

The researchers analyzed results from a three-year time-lapse data set, and discovered a 150% increase in the false non-match rate at a decision threshold representing a one in two million false match rate.

The paper summarizes several known elements of eye aging that could contribute to template aging, including age-related changes in pupil dilation - see video below.

To access the paper click here and download the Full Text of the pdf

 

 

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Article Comments

Another myth bites the dust

Ha! We've been told for years and years that iris patterns form in the womb, with random tears that are then preserved for life. One wonders if that claim was ever tested? Now it's said that the iris ageing result is "controversial" -- but that's only because the agelessness of the iris is simply mythological.

The whole field of biometrics is characterised by untested myths. Liveness Detection for instance is claimed so often by vendors that lay people take it for granted, but it's rarely actually implemented and never properly tested (under non zero effort imposter conditions). Ditto for the propaganda that biometrics cannot be reverse engineered.

So now what about the about that fundamental nonsense that there are 10 to the power of 70-something possible iris patterns? I say "nonsense" because iris scanning measurement error destroys the actual "uniqueness" rendering actual performance that is one billion billion billion billion billion billion billion times worse than suggested! But if the science of iris stability has not been properly understood all along, then the underlying 10-to-the-70 myth too is probably busted.
steve_lockstep - Thursday, June 06 2013 at 08:59 AM

Don't jump to conclusions Steve

Wait till you see other opinions.
mxc180 - Wednesday, June 26 2013 at 04:02 PM

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Aging eyes can affect iris recognition accuracy say US researchers
Aging eyes can affect iris recognition accuracy say US researchers

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