Iris recognition, ppt, engineering

1. IRIS RECOGNITION
BY :
N.SRUTHI

2. CONTENTS
 THE NEED FOR BIOMETRIC
 ANATOMY OF HUMAN EYE
 WHAT IS IRIS
 CHARACTERISTICS OF IRIS
 WHAT IS IT?
 WHY?
 HOW:THE SCIENCE BEHIND IT
 MERITS
 DEMERITS
 APPLICATIONS
 CONCLUSION

3. The need for biometrics
 As per wikipedia,
“Biometrics consists of methods for uniquely recognizing
humans based upon one or more intrinsic physical or
behavioral traits”
 The need for biometrics
-> Rapid development in technology
-> Globalization

4. Comparision

5. Anatomy of the Human Eye
• Eye = Camera
• Cornea bends, refracts,
and focuses light.
• Retina = Film for image
projection (converts image
into electrical signals).
• Optical nerve transmits
signals to the brain.

6. What is Iris?
 The coloured ring around the pupil of the eye is called the iris.
 Controls light levels inside the eye.
 Tiny muscles that dilate and constrict the pupil size.
 Divides the front of the eye from the back of the eye.
 Color comes from melanin.

7. Individuality of Iris
Left and right eye irises have distinctive pattern.

8. Characteristics of Iris
 Has highly distinguishing texture.
 Right eye differs from left eye.
 Twins have different iris texture.
 Iris pattern remains unchanged after the age of two and does not
degrade overtime or with the environment.
 Iris patterns are extremely complex than other biometric
patterns.

9. What Is It?
“Iris recognition is a method of biometric authentication that uses
pattern-recognition techniques based on high-resolution images of the
irises of an individual's eyes.”

10. WHY ?
• The iris is a living password
• Artificial duplication is virtually impossible
• Probability of matching of two irises is 1:1078
• Genetic independency
• Its inherent isolation and protection from the external
environment.

11. HOW : THE SCIENCE BEHIND IT

12. Iris Localization
 Both the inner boundary and the outer boundary of a typical
iris can be taken as circles.
 The inner boundary between the pupil and the iris is detected.

13. Recording of Identities

14.  Highly protected, internal organ of the eye
 Iris patterns possess a high degree of randomness
 Patterns apparently stable throughout life.
 A key advantage of iris recognition is its stability, or template
longevity, as a single enrollment can last a lifetime.
Merits

15. Demerits
 Obscured by eyelashes, lenses, reflections
 Illumination should not be visible or bright.
 Small target to acquire from a distance
 High cost

16. Applications
 . ATMs
 .Computer login: The iris as a living password.
 · National Border Controls: The iris as a living password.
 · Premises access control (home, office, laboratory etc.).
 · Driving licenses and other personal certificates.
 · Forensics, birth certificates, tracking missing or wanted person
 · Credit-card authentication.
 · Automobile ignition and unlocking; anti-theft devices.
 · Anti-terrorism (e.g.:— suspect Screening at airports)
 · Secure financial transaction (e-commerce, banking).
 · Internet security, control of access to privileged information.

17. Conclusion
 Iris recognition has proven to be a very useful and
versatile security measure.
 It is a quick and accurate way of identifying an individual
with no chance for human error.
 Iris recognition will prove to be a widely used security
measure in the future.

18. References
 ·http://en.wikipedia.org/wiki/Iris_recognition
 .www.seminars4u.com