Iris Scanner
An iris scanner is a biometric device that captures high-resolution images of the iris (the colored ring around the pupil of the eye) to identify or authenticate individuals based on unique patterns. It uses near-infrared light to illuminate the iris and a camera to capture detailed images, which are then processed and compared against stored templates in a database. This technology is widely used for security, access control, and identity verification due to its high accuracy and non-invasive nature.
Developers should learn about iris scanners when working on biometric authentication systems, secure access applications, or identity management solutions, as they provide a reliable and difficult-to-forge method of verification. Use cases include border control (e.g., in airports), high-security facilities, mobile device unlocking (e.g., smartphones), and healthcare systems for patient identification, where accuracy and security are critical.