What are the requirements for a biometric characteristic?
In the development of biometric identification systems, physical and behavioral characteristics for recognition are required • which dispose of biometric features which are as unique as possible, i.e., which do not reappear at any other person: Uniqueness • which occur in as many people as possible: Universality • whose biometric features don’t change over time: Permanence • which are measurable with simple technical instruments: Measurability • which are easy and comfortable to measure: User friendliness
