Template aging phenomenon in iris recognition
04 June 2013 17:18 GMT

Aging eyes can affect iris recognition accuracy say US researchers

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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