A biometric access control is a security system that uses biometric data to validate access to a system. The type of biometric access control depends on the purpose of the data and how it is used.
picture based access control: This type of access control uses a picture of the user to validate access.
password-based access control: This type of access control uses a password to validate access.
eyewitness-based access control: This type of access control uses the ability to see the user's body to validate access.