Tutorial Notes
The notes for this tutorial are available online: www.cse.nd.edu/~kwb/IJCB_2014_Tutorial.pdf Publications related to iris recognition: www.cse.nd.edu/~kwb/publications.htm Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

Iris Recognition in the Media

Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

Iris Recognition in the Media

Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

Iris Recognition
From Basics to Research Frontiers

Kevin W. Bowyer
Chair, Computer Science & Engineering
University of Notre Dame

C o p y r i g h t , K e v i n W. B o w y e r, 2 0 1 4 , a l l r i g h t s r e s e r v e d .
Iris Recognition Tutorial @ IJCB 2014

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Outline
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What Is Iris Recognition?
History and Selected Applications

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How Does Iris Recognition Work?
Research Topic: Pupil Dilation

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Research Topic: Contact Lenses

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Research Topic: Template Aging
Quick Topics: Revocable, Forensic
Matching, Soft Biometrics, Ocular

Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

What is “iris recognition”?
Conceptual, algorithmic, historical, recognition power, economic footprint …

Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

What Is Iris Recognition?
The conceptual premise –
The texture of the iris can be the source of an “iris code” that is unique to that particular iris and is stable across a range of practical imaging conditions.
Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

What Is Iris Recognition? shadow specular highlight eyelash occlusion sclera

pupil iris contact lens Using an image such as this as a means to establish identity.
Iris Recognition Tutorial @ IJCB 2014

specular highlight September 29, 2014

What Is Iris Recognition?
1. Acquire Image.

2. Segment Iris.

3. Analyze / Encode Texture.

4. Match Iris Codes.
0101010101010...

0101010101010...
(binary iris code in Daugman style iris recognition)
Iris Recognition Tutorial @ IJCB 2014

.xor. 0001000100010…
Hamming Distance
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What Is Iris Recognition?

Iris recognition is not only for people! Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

What Is Iris Recognition?

One has to wonder how they interact with the tiger to get the image …
Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

What Is Iris Recognition?
… the false match rate stands at 1 in
1.2 million using one eye and can be as low as 1 in
1.44 trillion using 2 eyes.
(Iridian press release)
Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

What Is Iris Biometrics?
The classic false match
Daugman
rate (FMR performance or FAR) is the focus point is 1 in of 1M theFMR “lessatthan a FNMR
1 in 1M of a few error rate” claimed for iris recognition. percent. authentic

Iris Recognition Tutorial @ IJCB 2014

decision threshold impostor

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What Is Iris Biometrics?
The Int’l Biometrics Group (IBG) projects iris biometrics to grow more than four-fold, from 174 M in
2009 to 730 M in 2014, faster than the overall biometrics market.
Dissecting the Human Identity, K. Ricanek, Computer, Jan ’11.

Iris Recognition Tutorial @ IJCB 2014

September 29, 2014

What Is Iris Biometrics?
Iris biometrics is simultaneously:
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A particular reference implementation developed by John Daugman

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An industry with successful applications and strong projected growth

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An active, fast-growing research area with some important open questions that and new topics opening up

Iris Recognition Tutorial @ IJCB 2014

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Brief History and Selected Applications

Iris Recognition Tutorial @ IJCB 2014

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History of Iris Biometrics
Iris and Biometric in Advanced Search in IEEE Xplore
250
200
150
100
50
0
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011

1987 – Flom & Safir patent granted;
Worth (re-)reading for various insights.
Iris Recognition Tutorial @ IJCB 2014