Biometric modality: Eye: Iris – key considerations
Iris recognition technology is fast, very accurate and well-regarded. It is also suitable for processing very large collections but it is still a newer modality which has not yet gained widespread adoption in commercial or consumer markets. Iris recognition systems tend to be more expensive than other biometric applications but, nevertheless, they are sometimes used in combination with other biometrics in multi modal systems to add assurance and assist in deduplicating datasets (Refer to the Biometrics Institute Good Practice Framework E.3.3).
As with other biometric modalities, it is possible for iris recognition to be disrupted by factors such as subject movement during enrolment, certain eye conditions/diseases, poor enrolment protocols, ambient lighting, reflections from eyewear etc. However, it possesses a high degree of resilience to presentation attacks by employing liveness detection and other preventative techniques (Refer to the Biometrics Institute Good Practice Framework D.2.1/2).
