| License Plate Reader | |
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ANPR Features FAQ Downloads |
Frequently Asked Questions (FAQ) | |||||
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How does it actually work? Jet recognition engine works by continually looking for a number plate, either rectangular or square Once it finds a plate, it determines each character. What hardware is required? A PC including a frame grabber and camera(s). If you are controlling barriers / external devices, a relay card is required. Optional: sound card and speakers. Can you use overview cameras? Yes, up to 3 overview cameras can be setup per lane. Can it integrate into existing CCTV systems? Yes. What percentage of plates are captured and are they captured correctly? Jet has a very high accuracy figure and outputs one plate per vehicle. Some other ANPR engines output several alternatives if they could not make a decision on a plate. We would expect to read 99% or above of all legal and undamaged plates (e.g. plates not covered in mud or with screws positioned to change the look of a character). Can it control barriers? Yes, one barrier per lane can be controlled. Can it output to other devices? Yes, it can trigger a relay to a wide variety of external devices, including LED Signs, Traffic Lights and Gates. How far does the camera need to be from the number plate? We can read number plates from 30 meters away. Can it cope with angles? Yes, up to 30° of skew, so cameras can be positioned on the road side. Are the cameras weather and vandal proof? The JetCam is fully weather proof and can be positioned within a vandal proof bollard if required. What is the maximum speed to capture plates? The number of cameras per frame grabber determines the number of fps of recognition. We have had reports of 165km/h recorded. How much data can it store and for how long? The size is only restricted by the hard disk drive. If an anpr camera, plate patch and record data are stored to disk then approximately 1 million records could be stored on a 10GB hard disk. Can it work as a mobile unit? Yes, extensive police forces throughout the UK use the Jet ANPR system in their vehicles. Does it work 24 hours a day? Yes, Infra Red cameras like the JetCam must be used for 24 hour surveillance, or monochrome / colour cameras in a fully lit area. How many times does it read a plate? This figure is dependant on the speed of traffic and the number of cameras input into a single frame grabber. On average each plate is read 10 to 15 times and the most frequent is considered to be the most accurate. Can I use my own database? Yes, most formats of database can be imported into our software, including PNC and local authority databases. Can you search on databases and history of captured vehicles? Yes, your databases can be searched upon and also the ‘history file’ can be searched up to including the use of wildcards, dates, times, full and part plates, database fields. Can the software be triggered? Yes, although as standard the software does not require triggering to read number plates. How far can the cameras be from the PC? If using Coaxial cable cameras can be up to 250m away from the PC, up to 1.5km using NVT and further distances using fibre optic cable. Can it read plates outside of UK? Yes. Can you customise the software with our own brand and logos? Yes |
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