Specifies whether the False Acceptance Rate (FAR) has precedence over the False Rejection Rate (FRR) for the results of a scanning operation.
BiometricScanner objects
Function availability This function is not used by the HPBiometricScanner object implementation of the BiometricScanner base class.
Integer scanner.FARPrecedence ( which )
Argument |
Description |
---|---|
scanner |
The scanner object associated with the device you want to use to complete a scan |
which |
Boolean value for the precedence of the FAR. Values are: |
Integer. Returns 1 for success or a negative values if an error occurs.
Setting the FAR precedence has meaning only if both the FAR and the FRR have nondefault values. This function is not used by the HPBiometricScanner object implementation.
The following example gives precedence to the FAR over the FRR:
li_rtn = l_bioscanner.FARPrecedence(true)