Product Line
License Plate Recognition — ANPR/LPR Camera Systems with 99 Percent Plus Accuracy
Factory-direct ANPR and LPR camera systems supporting 100 plus country plate formats with sub-200ms recognition speed. ONVIF Profile S compliant, IP67 rated, and designed for toll highways, parking management, and smart city traffic systems.
What is a license plate recognition system
A license plate recognition system, also referred to as automatic number plate recognition (ANPR) or license plate recognition (LPR), is a specialized camera and processing unit that captures vehicle license plate images, extracts the alphanumeric plate characters using optical character recognition algorithms, and outputs the plate number as digital data for access control decisions, toll billing, parking management, or security monitoring. These systems are a critical component of modern vehicle access infrastructure at toll highways, parking management facilities, gated communities, logistics yards, and smart city traffic systems.
Computer vision engineered for vehicle identification
FlowGate Pro LPR cameras combine a high-resolution image sensor, an onboard embedded processor running proprietary plate recognition algorithms, and integrated infrared LED illumination in a single IP67-rated outdoor enclosure. The system captures plate images at speeds under 200 milliseconds from vehicle trigger, recognizes characters with 99 percent plus accuracy on clean plates, and outputs the plate number along with a confidence score, timestamp, and full-frame image via RTSP stream and serial data interfaces.
The recognition engine supports 100 plus country and region plate formats, including Latin, Cyrillic, Arabic, and Asian character sets. Multi-line plates, motorcycle plates, and specialty plates (diplomatic, military, temporary) are recognized with dedicated algorithm profiles configurable per deployment. ONVIF Profile S compliance ensures interoperability with standard video management systems (VMS), while RS485, TCP/IP, and Wiegand outputs enable direct integration with access controllers, barrier gates, and parking management platforms.
99 percent plus recognition accuracy
Proprietary deep-learning OCR engine trained on millions of plate images across global plate formats. Accuracy verified in independent testing under varying lighting, weather, and vehicle speed conditions. Confidence score output enables configurable acceptance thresholds for different security levels.
Day and night operation
Integrated high-power infrared LED array provides uniform plate illumination for night operation without visible light pollution. Automatic IR cut filter switching between day and night modes. Effective plate capture range from 3 to 25 meters depending on lens configuration.
Open protocol integration
ONVIF Profile S, RTSP, RS485, TCP/IP, and Wiegand output — no proprietary SDK lock-in. Integrate with any VMS, access controller, or parking management platform that supports standard protocols. HTTP API for direct integration with custom software.
Technical specifications
Engineering specifications for LPR/ANPR camera evaluation, integration planning, and tender documentation.
Recognition performance
99 percent plus accuracy, sub-200ms speed
Plate recognition accuracy exceeding 99 percent on clean, standard-format plates under recommended installation angles and lighting conditions. Recognition speed under 200 milliseconds from vehicle trigger to data output. Multi-plate detection capable of recognizing up to 4 plates simultaneously in a single camera field of view. Confidence score output (0-100) for each recognition result enables threshold-based access control logic.
Plate format support
100 plus country plate formats
Recognition engine supports license plate formats from over 100 countries and regions, including United States (all 50 states), Canada, Mexico, Brazil (Mercosur and legacy), United Arab Emirates, Indonesia, Germany, United Kingdom, France, Saudi Arabia, India, Australia, and Japan. Multi-line plates, motorcycle plates, diplomatic plates, military plates, and temporary plates supported with country-specific algorithm profiles. New plate formats added via firmware update without hardware replacement.
Imaging and sensor
High-resolution sensor, IR illumination
2-megapixel progressive scan CMOS sensor with global shutter for motion-free plate capture at vehicle speeds up to 120 km/h. Integrated high-power 850nm infrared LED array with adjustable intensity for night operation up to 25 meters range. Automatic IR cut filter for day/night mode switching. Configurable shutter speed, gain, and WDR (wide dynamic range) for challenging lighting conditions including headlight glare and deep shadow.
Video and streaming
ONVIF Profile S, RTSP, H.264/H.265
ONVIF Profile S compliant for integration with standard video management systems. Dual RTSP streams: main stream 1080p at 25 fps for recording and evidence, sub-stream 720p at 15 fps for live viewing. H.264 and H.265 video compression. Onboard storage via microSD card slot supporting up to 256GB for local recording and network-outage buffering. JPEG snapshot capture on plate recognition event.
Data output interfaces
RS485, TCP/IP, Wiegand, HTTP API
Multiple simultaneous data output interfaces: RS485 serial for direct barrier gate controller integration, TCP/IP 10/100 Ethernet with HTTP POST for cloud parking platform integration, Wiegand 26/34 output for access control panel compatibility, and dry-contact relay for simple open/close trigger. HTTP REST API for custom software integration. Onboard whitelist database supporting up to 50,000 plate numbers for standalone operation without external controller.
Environmental and installation
IP67 rated, -30 degrees C to +70 degrees C
IP67-rated aluminum alloy housing with integrated sunshield and heater/blower for extreme climate operation. Operating temperature range: -30 degrees C to +70 degrees C. Built-in heater activates automatically below 5 degrees C to prevent lens icing and maintain electronic component operating temperature. Power over Ethernet (PoE 802.3af) or 12V DC input. Pole-mount and wall-mount bracket options included. CE and FCC certified.
Application environments
License plate recognition systems provide automated vehicle identification across diverse traffic management and access control scenarios.
Toll highways and toll collection
Electronic toll collection (ETC) lanes on highways, bridges, and tunnels where vehicles pass at speed without stopping. LPR cameras capture plates at highway speeds for toll billing and violation enforcement. Multi-lane free-flow configurations use overhead gantry-mounted cameras with wide-angle lenses covering 3 to 4 lanes simultaneously. Integration with national toll clearing houses for cross-network billing reconciliation.
Parking management and revenue control
Ticketless parking entry and exit systems for commercial parking facilities, shopping centers, and airport parking terminals. LPR cameras capture plates at entry for automatic ticket issuance and at exit for fee calculation and payment verification. Integration with parking guidance systems displaying per-level occupancy. Monthly parker whitelisting for hands-free entry. Plate-based lost ticket resolution eliminates manual override procedures.
Gated communities and residential access
Residential community entry gates where resident vehicles receive hands-free access via whitelist matching and visitor vehicles trigger intercom or guard notification. Onboard whitelist database supports standalone operation without always-on network connection. Integration with property management systems for automated visitor pre-registration and temporary access code generation.
Logistics yards and distribution centers
Truck entry and exit automation at warehouses, cross-dock facilities, and freight terminals. LPR cameras capture truck tractor and trailer plates for automated gate assignment, dock door routing, and dwell time tracking. Integration with transportation management systems for real-time shipment status updates. Rugged IP67 housing withstands diesel exhaust, road salt, and industrial washdown environments.
Smart city traffic systems
Urban traffic management deployments including congestion zone charging, low-emission zone enforcement, bus lane violation detection, and traffic flow analytics. LPR cameras mounted on traffic signal poles and overhead gantries feed plate data to central traffic management platforms. Anonymous mode available for flow analytics applications where individual plate data is not required. Integration with municipal traffic control centers via standard IP networking.
Government and law enforcement
Fixed and mobile ANPR deployments for law enforcement applications including stolen vehicle detection, wanted vehicle alerts, and automatic fine issuance for traffic violations. Integration with national vehicle registration databases via secure API connections. Onboard plate blacklist database with real-time alert relay to command center. Evidence-grade full-frame images with plate overlay and metadata burned into image for court-admissible documentation.
Available license plate recognition configurations
Explore standard and custom LPR/ANPR camera models available for project specification.
Products
Related product lines
License plate recognition systems integrate with these complementary product lines for complete vehicle access control solutions.
Automatic barrier gate
High-speed boom barriers that receive plate recognition data for automated vehicle entry and exit control in parking, toll, and perimeter applications.
Vehicle access systems
Complete pre-integrated vehicle entry packages combining LPR cameras, barrier gates, RFID readers, and loop detectors from a single manufacturer.
Deploy license plate recognition for your project
Share your lane count, required plate formats, mounting configuration, and integration protocol. Our engineering team will prepare a detailed system quotation with camera specifications, lead time, and export logistics within one business day.
