Datasheet
rev. 00025 · June 2026

Metrici LPR web interface

Web management interface for license-plate recognition

Features
Architecture
Web-based, with a relational database behind
Access to data
Password authentication, discrete user rights, detailed logs
Number of simultaneous connected users
Unlimited
Number of stored recognized plate numbers
Unlimited, constrained by the size of the available storage
List of recognized plate numbers
Yes, can be filtered by country of origin, location, camera, direction of movement, group, info, class, maker, color, speed
Special lists
Yes — Vehicles speed and Red light infringement
Vehicles flow
Selectable alert method, can be filtered by location and camera
Live view
Realtime 1 fps images from all connected cameras
Actions (white/black/gray lists)
Definable for each recognized plate number; open barrier, traffic light, e-mail or popup recipients; can be grouped together
SMS access
Actions can be inserted by SMS from authorized phone numbers
Alarms
IF/THEN/AND type; e-mail and SMS recipients
Plate number information
One field of text can be attached to each plate number
Reports
Top vehicles, vehicles each hour, vehicles each day, vehicles each month, vehicles each camera, vehicles by origin, time between detections
Time tables
Yes, unlimited numbers
Data export
XLS, CSV and PDF formats
Retention period
90 days by default, can be changed
Backup and restore
Selectable, for general settings or for the entire database
API
GET method over HTTP; XML and JSON data source
Supported countries
Albania, Argentina, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Bahrain, Chile, Colombia, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Great Britain, Greece, Hong Kong, Hungary, India, Israel, Ireland, Italy, Jordan, Kuwait, Latvia, Lithuania, Luxembourg, Macedonia, Moldavia, Monaco, Montenegro, Netherlands, Norway, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia, Saudi Arabia, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tanzania, Turkey, Ukraine, Zanzibar
System requirements
OS
Ubuntu 24.04 LTS MATE, Linux CentOS 7 (64-bit)
CPU
Intel Xeon; AMD Ryzen, Threadripper or Epyc
System memory
Minimum 4 GB/server
Storage
Less than 180 GB/year for 1000 cars/day, depending on the camera resolution and image compression