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Automatic Number Plate Recognition (ANPR)

Problem

Tracking vehicles manually for tolling, enforcement, or security remains tedious and error-prone.

Human operators must review blurry frames, cross-check numbers, and manually flag

suspicious vehicles — an impossible task at scale.

Common issues include:

  • Low recognition rates in low-light or high-speed conditions
  • Inconsistent plate formats across regions
  • Missed detections due to occlusion, mud, or glare
  • Delayed notifications for stolen or blacklisted vehicles

These limitations compromise enforcement efficiency, toll accuracy, and public safety monitoring.

Approach

NAYAN’s Automatic Number Plate Recognition (ANPR) module uses deep-learning OCR and spatial-tracking pipelines optimized for Indian plate formats and multilingual scripts.
Key features include:

  • High-speed recognition of vehicles up to 180 km/h
  • Multi-frame tracking for partially obscured or angled plates
  • Day/night adaptability with infrared optimization
  • On-premise + cloud database sync for hot-list or toll validation
  • Secure data encryption and privacy compliance (GDPR-aligned)

Captured plates are instantly cross-checked with registered databases (RTO, enforcement servers, or customer back-ends).

The system supports real-time alerts for stolen vehicles, toll violators, and route analytics dashboards showing traffic density by time and direction.

APIs allow seamless integration into existing ITS, e-challan, or Smart City platforms.

FeaturesReal time insights and pinpoint defects

Enterprise ready deployments

High-Speed Vehicle Recognition

Accurately reads number plates even at speeds up to 180 km/h, enabling highway, toll-lane and expressway enforcement. nayan.co

Multi-Frame & Angle Robustness

Tracks vehicles across multiple frames, compensating for partially obscured, angled or skewed plates for higher reliability. nayan.co+1

Day/Night & Low-Light Adaptation

Works reliably in varying lighting conditions, including infrared or infrared-enhanced modes for night-time or glare-heavy environments. nayan.co

Multi-Region & Multi-Script Support

Optimised for Indian plate formats with multilingual scripts, adapting to diverse registration plate structures and regional variations. nayan.co

Real-Time Watchlist & Database Cross-Check

Captured plate numbers are instantly matched against hot-lists (e.g., stolen vehicles, wanted vehicles, toll defaulters) or integrated back-end databases with minimal latency. nayan.co

On-Premise & Cloud Hybrid Deployment

Flexibility to deploy on-premises or cloud with secure data sync, enabling integration with existing city/toll networks, ITS systems, or e-challan platforms. nayan.co

High Throughput & Low Latency

Supports large volumes of reads (100+ plates/sec) and recognition latency ≤ 300 ms, enabling real-time enforcement workflows. nayan.co

Tamper-Proof Video & Image Evidence

Each detection event is logged with timestamp, video clip and image evidence, ready for audit, enforcement or reporting. nayan.co

Seamless Integration via APIs

API end-points for easy integration with legacy CCTV networks, command-and-control systems, tolling platforms or Smart City dashboards. nayan.co

Data Security & Privacy Compliance

Encryption and data-protection protocols in place (GDPR-aligned) to ensure secure handling of plate and vehicle data. nayan.co

GIS MappingCity Coverage

Percentage Coverage of Cities increase from 0.1% Due to CCTV’s to 50% Due to AI Dashcams

Washington

California

Huntington

FAQEverything you need
to know about Automatic Number Plate Recognition (ANPR)

The system is optimised for speeds up to ~180 km/h — making it suitable for highway, expressway and high-speed enforcement scenarios.

Using multi-frame tracking and deep-learning OCR, the system captures multiple frames per vehicle, corrects for skew/angle, and accumulates recognition confidence even if some frames are blurred or occluded.

Yes — the model is trained and adapted specifically for Indian registration plate formats and may be customised for multilingual scripts or regional variants.

Absolutely — it offers APIs and supports on-premise or cloud configurations, making it easy to plug into existing ITS networks, e-challan workflows, toll-gate systems, and enforcement databases.

Upon match, the system instantly triggers an alert (typically <1 second latency) and logs the event with video/image evidence, timestamp, location and plate details — ready for further action (e.g., interception, fine issuance, or notification).

The system supports throughput of 100+ plates per second and maintains recognition latency below ~300 ms per vehicle, enabling real-time enforcement across high-traffic corridors.

Deployments can be fully on-premise (for data sensitive sites) or hybrid/cloud-connected. All captured data is encrypted, and infrastructure is designed for tamper-proof logging and audit compliance.

The system has documented plate-recognition accuracy of over 98% under deployment-tested scenarios, with additional fall-backs via multi-frame capture and quality checks to maintain performance in challenging lighting, speed or occlusion conditions.