[fprint] question about biometric verify

[Linos]

El 26/09/11 18:10, Linos escribió:
> Hi,
>    i am using libfprint with an usb upek eikon to enroll and verify fingerprints
> at the beginning and the end of the work hours in our office.
> 
> I store the binary data generated after the enroll of every user in a blob in
> our database, when i want to verify the user type his username and later push
> verify button, i get his finger data blob from the database and use
> fp_verify_finger function, all works ok.
> 
> What i would like to do, with this reader or other where this works, it is to do
> the reverse operation, get the finger data from the fingerprint reader and
> identify who it is the user the read data belongs, the finger data changes at
> every enroll and i need to read the finger in a try, not have to pass all the
> stages of the enroll.
> 
> For what i understand i could do something like this with a fingerprint reader
> that gives me the image because the process it is external with NBIS, but a time
> of 0.15 seconds for every check would be a long time test in the worst case for
> the 150 workers, any way to do this with the upek eikon or other reader at a
> reasonable time?
> 
> Thanks.
> 
> Regards,
> Miguel Angel.

I have found match_offset in fp_verify_finger, i suppose i could use this, do
anyone know something about the timing for every check?

Thanks.