Mobile fingerprint scanners help police catch the bad guys
By Nick Heath, 24 October 2008 13:02
The machine takes a scan of a person's left and right index finger, as seen here, which are matched against the 7.5 million sets of fingerprint samples in Ident1.
Around 80 per cent of searches are returned in two minutes and 97 per cent are returned in five minutes.
Data from the scan is sent over the GPRS network via an encrypted virtual private network, as the police's dedicated Airwave network is unable to carry enough data.
Photo credit: NPIA
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1. Karen Challinor
interesting, what is the false positive and negative rate for matches of various probabilities, these statistics should be available by now surely
also if you arent in the Ident1 database and you are subsequently not found when scanned do you automatically get added ?