Verification (1:1)

Definition

Matching a fresh sample against ONE stored template tied to a claimed identity. Used to unlock a phone or authenticate a payment.

Related terms

Behavioural Biometric: Trait rooted in learned action: voice, gait, signature dynamics, keystroke dynamics, mouse movement.
Biometric: Any measurable physiological or behavioural trait used to identify or verify an individual. Falls in the 'something you are' authentication category, distinct...
Enrolment: First-time capture of a biometric, feature extraction, and storage of the resulting template in the system database.
FAR / FRR / EER: False Acceptance Rate (imposter wrongly accepted), False Rejection Rate (genuine user wrongly rejected), and Equal Error Rate (operating point where FAR =...
Identification (1:N): Searching a fresh sample against EVERY template in the database to find a match. Used by AFIS to hit a chance print...
Physiological Biometric: Trait rooted in body structure: fingerprint, iris, retina, face, palm print, palm vein, hand geometry, ear shape, DNA.
Presentation Attack Detection (PAD): Liveness checks that block spoofing with fake fingers, photos, iris printouts or cloned voice. Evaluated under ISO/IEC 30107.

Biometric Systems of Identification and Their RelevanceMatching a fresh sample against ONE stored template tied to a claimed identity. Used to unlock a phone or authenticate a payment.