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What Is Iris Recognition?
Benefits of Using Iris Technology

- The iris is a thin membrane on the interior of the eyeball. Iris patterns are extremely complex.
- Patterns are individual (even in fraternal or identical twins).
- Patterns are formed by six months after birth, stable after a year. They remain the same for life.
- Imitation is almost impossible.
- Patterns are easy to capture and encode
Technology Comparison
| Method |
Coded Pattern |
Misidentification rate |
Security |
Applications |
| Iris Recognition |
Iris pattern |
1/1,200,000 |
High |
High-security facilities |
| Fingerprinting |
Fingerprints |
1/1,000 |
Medium |
Universal |
| Hand Shape |
Size, length and thickness of hands |
1/700 |
Low |
Low-security facilities |
| Facial Recognition |
Outline, shape and distribution of eyes and nose |
1/100 |
Low |
Low-security facilities |
| Signature |
Shape of letters, writing order, pen pressure |
1/100 |
Low |
Low-security facilities |
| Voiceprinting |
Voice characteristics |
1/30 |
Low |
Telephone service |
Source: AIM Japan, Automatic Identification Seminar, Sept.14, 2001
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