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Biometric Data Interchange Format, Standardization



Biometric data interchange formats define an encoding scheme according to which biometric data is stored in a biometric reference. In most cases the stored data will be used in future comparisons with biometric data stemming from the same or different subjects. Encoded data should contain not only a digital representation of a biometric characteristic (e.g., fingerprint image, face image) but also relevant metadata that impacted the capturing process (e.g., resolution of the fingerprint sensor). Standardized data interchange formats are a fundamental precondition to implement open systems where biometric data can be processed with components of different suppliers.


Biometric systems are characterized by the fact that essential functional components are usually dislocated. While the enrolment may take