The Digifort vehicle License Plate Reading (LPR) system is a multi-channel, license module operating within its open-platform VMS. It offers reliable identification and categorisation of white or black-listed license plates and is widely used in vehicle access control; traffic enforcement; toll collection positions; border crossings; and general site management applications.
The Digifort LPR license applies to a server CPU core, not a camera channel. If the LPR is triggered by motion, two channels are enabled by a single core license. If an external, physical trigger is used to capture a single video image, reducing server processing overhead, up to 20 LPR channels can be enabled, also by a single core license.
“The Digifort LPR system is typically used to control vehicle access to a site through automated barriers or gates,” explains Francois Levy, Digifort Business Development Director for EMEA. “Its user-configured, management database enables categories such as staff, stolen cars, site visitors, delivery vehicles, unrecognised plates and even “followed vehicles” to be triggers. Corresponding alarm actions can be scheduled for different outcomes by time of day or week.
“The LPR system recognises a plate’s characters and registers the plate on a management database, or in an external folder, with date, time and camera information tags. The database can be synchronised with external databases, such as from the police or DVLA, with associated vehicle owner information, if available. Plate data can also be shared between numerous, multi-channel, Digifort systems, across many sites.
“Digifort can read plates accurately on fast-moving vehicles and allow incoming and outgoing plate cameras to be set, to establish vehicle duration times, as used in car park ticketing. Surrounding cameras can also correlate with the primary, plate-capture cameras to provide additional video data, such as the front, side or cab of a vehicle.”
A suspect plate event can trigger a visual and audible warning; increase recorded video resolution and frame rate; and notify users by email, text or SMS. A “mask” facility allows users to apply alarm rules to groups of plates and specify plate retention times. Automatic server failover is an option for mission-critical applications and plate recognition accuracy is measured to help users optimize camera set-up.
An unlimited number of secure client PCs, tablets and smartphones can access and view the Digifort LPR system.