Which biometric relies on vascular patterns to identify individuals?

Which biometric relies on vascular patterns to identify individuals?

• A. Iris Recognition
• B. Gait Recognition
• C. Vein Matching
• D. Sniff Test

Answer: (C)

Vascular-pattern biometrics rely on patterns of blood vessels beneath the skin and are captured with near-infrared imaging. The arrangement of veins in a finger, hand, or palm is highly unique to each person and remains stable over time, while being protected under the skin, making it difficult to spoof with photos or prosthetics. Because the data comes from subcutaneous structures, it tends to be robust to surface skin conditions and lighting, enabling reliable identification. Iris recognition uses the texture of the eye’s iris, which is a different biometric signal, while gait recognition relies on how a person walks, and the sniff test isn’t a recognized biometric. Vein matching is the method that directly exploits vascular patterns.

Vascular-pattern biometrics rely on patterns of blood vessels beneath the skin and are captured with near-infrared imaging. The arrangement of veins in a finger, hand, or palm is highly unique to each person and remains stable over time, while being protected under the skin, making it difficult to spoof with photos or prosthetics. Because the data comes from subcutaneous structures, it tends to be robust to surface skin conditions and lighting, enabling reliable identification.

Iris recognition uses the texture of the eye’s iris, which is a different biometric signal, while gait recognition relies on how a person walks, and the sniff test isn’t a recognized biometric. Vein matching is the method that directly exploits vascular patterns.