Dual-Recognition Parking System: LPR and eTag for a Smarter, Safer Experience !
Automated Parking Management System Empowering Smart Cities
As smart cities continue to evolve through digital transformation, unmanned parking management systems have become a key trend in urban mobility and access control. By integrating License Plate Recognition (LPR) with RFID-based eTag technology, these systems operate 24/7 without the need for on-site staff, reducing operational costs, minimizing human errors, and optimizing traffic flow and facility management. Additionally, automated operations significantly enhance security by mitigating internal fraud and providing a cost-effective, high-reliability solution for modern parking environments.
Challenges and Solutions in License Plate Recognition and eTag Technology
Challenges of License Plate Recognition (LPR)
License Plate Recognition (LPR) technology is standard equipment in modern parking lots, but may lead to misidentification due to the following factors:
• Severe weather (heavy rain, snow, dense fog).
• Dirty, damaged, or forged license plates.
• Insufficient or excessive lighting.
Limitations of eTag Electronic Tags
eTag (RFID) technology offers fast and stable reading capabilities, but also faces challenges:
• Tags may be duplicated or borrowed.
• Relying solely on eTag may lead to information security risks.
i-View’s Dual Identification Solution
To address these challenges, i-View Technology has introduced a dual identification smart parking system that integrates LPR and eTag, ensuring efficient and secure vehicle access through the following process:
1. Primary Image Recognition: When a vehicle enters or exits, the system first attempts license plate recognition using high-accuracy LPR technology.
2. Backup eTag Verification: If LPR fails, the system automatically switches to eTag for secondary verification.
3. Dual Verification Mechanism: The combined use of both technologies enhances recognition accuracy and access efficiency.
This dual solution improves identification flexibility and enhances security, making it ideal for high-traffic and high-security parking environments.
Offline-Capable UHF Reader: Built-in Stability and Backup
I-View’s UHF reader supports offline standalone operation with built-in storage for up to 4,000 entries. Even in the event of network disruption or server failure, the device continues to manage vehicle access independently, ensuring uninterrupted 24/7 parking operations.
Stability: Operates continuously without internet dependency.
Efficiency: Fast local list matching ensures seamless vehicle flow.
Reliability: Redundant design reduces failure risk and improves system resilience.
Applications and Operational Benefits
Tianlin Technology’s dual-recognition parking management system is particularly suitable for high-traffic or high-security locations such as:
• Corporate headquarters and office buildings.
• Department stores and shopping centers.
• High-end residential communities.
• Commercial and industrial park parking lots.
This solution not only improves entry and exit efficiency and accuracy but also provides backup mechanisms and offline operation capabilities, making it the best choice for creating a modern, smart parking environment.
Smart Parking Technology Comparison Table (LPR vs eTag vs Hybrid)
| Accuracy | 95%~99% | Near 100% | Near 100% |
| Installation Flexibility | Limited by camera placement | Minimal obstacles | Highly adaptable to various environments |
| Recognition Angle | Narrow field of view | Wide-angle detection | Wide-angle detection |
| Supported Vehicle Types | Cars and motorcycles | Cars, motorcycles, and bicycles | Cars, motorcycles, and bicycles |
| Anti-forgery Protection | High — difficult to clone or spoof | Low — easy to copy or lend tags | High — difficult to clone or spoof |
| Violation Detection | Easy — supports visual evidence tracking | Difficult to trace tag misuse | Easy — supports visual evidence tracking |
| Detection Range | Adjustable camera-based sensing | Adjustable camera-based sensing | Adjustable camera-based sensing |
| Security Level | Good — camera-based verification | Moderate — tag-only access | Excellent — seamless and secure entry |
| User Convenience | High — supports contactless access | High — supports contactless access | Excellent — seamless and secure entry |
Not sure which solution fits your needs?
Fill out the form and let us assess your site for the best-fit parking solution accurately, efficient, and tailored to you.
Technical Specifications
| Recognition Technology | Supports License Plate Recognition (LPR) and eTag (RFID), able independently or in dual-verification mode |
| Accuracy | LPR accuracy up to 98%, including dirty or damaged license plates |
| Recognition Speed | LPR processing time: approx. 10–40 milliseconds, depending on hardware performance and image complexity |
| Recognition Image Size | Minimum horizontal plate width: 60 pixels; maximum: 300 pixels |
| Recognition Angle | Horizontal/vertical angle ≤ 30°, tilt angle ≤ 10° |
| License Plate Format | Supports over 150 international license plate formats — suitable for global deployments. |
| UHF RFID Specifications | Compliant with ISO18000-6C; read range up to 25 meters, write range up to 12 meters. |
| Offline Operation | UHF reader supports up to 4,000 whitelist entries for offline access control during network disconnection. |
| Real-Time Query Interface | Web-based interface for live queries of space availability, fees, vehicle location, parking data, and list settings. |
| Vacancy Display | Automatically displays real-time available spaces and supports auto-calibration of vacant slots. |
| Lane Intrusion Alerts | Triggers alert and notifies administrators when pedestrians enter or loiter in vehicle lanes. |
| Fuzzy Matching | Supports partial plate recognition with photo and parking location suggestions for likely matches. |
| Alert Notifications | Sends alerts via messaging apps, email, sound, or pop-up notifications when blacklist or VIP vehicles enter or exit. |
| List Management | Web-based interface for adding, editing, importing/exporting, and assigning access permissions. |
| Video Playback | Search by plate number, date, or location with event-based video playback. |
| Quick Search | Filter records by time, gate, group, license plate, or personnel name. |
| Data Import/Export | Export parking logs in TXT/XLS format; import list data in CSV format. |
| Storage Fault Tolerance | Supports RAID database storage and off-site backup scheduling for data integrity. |
| System Redundancy | RAID1 dual OS architecture with automatic failover in case of disk failure. |
| Embedded OS | Uses embedded OS installed on SSD with write-protection mode to prevent malware risks. |
| HDD Health Monitoring | Supports S.M.A.R.T. alerts for hard drive health; notifies via SMS or email before failure. |
| Auto-Restart Mechanism | Includes both hardware and software watchdog reboot features and power failure recovery for uninterrupted operation. |
| Internal Theft Prevention | Effectively prevents fake cards, forged whitelist entries, and insider theft of parking revenue. |
System Architecture
System Cabling Structure
Integrated LPR and Tag Authentication｜Dual-Mode Vehicle Access Control.
The system integrates License Plate Recognition (LPR) with UHF eTag authentication to enhance vehicle identification accuracy, reliability, and access efficiency. When a vehicle approaches the gate, the UHF reader and LPR camera are simultaneously activated. Administrators can configure one of the following three authentication modes based on operational needs:
① Dual Authentication | Highest Security: Both license plate and eTag must pass verification for the gate to open. This mode is suitable for locations with extremely high security requirements, such as corporate headquarters or restricted areas.
② eTag-Priority Access｜Enhanced Reliability：Gate opens upon successful eTag authentication, bypassing potential LPR limitations such as dirty or obscured license plates or poor lighting conditions.
③ Either Authentication Pass｜Maximum Flexibility: Gate opens if either the license plate or eTag passes authentication. This mode offers maximum operational flexibility, suitable for high-traffic areas or parking lots with varied user types.
Whitelist and Non-Whitelist Management
The dual-identification parking management system supports configurable whitelist-based or blacklist-based access control for entry gates. When the system detects an authorized vehicle listed in the whitelist—such as a car, motorcycle, or bicycle—it automatically triggers gate automation, allowing seamless and unrestricted access. Vehicles not on the whitelist are automatically denied entry, ensuring secure and accurate AI-based vehicle screening at parking facility entrances.
FAQ
Q. How does the dual-verification system enhance parking security?
By utilizing dual-verification through License Plate Recognition (LPR) and UHF eTag authentication, the system effectively prevents license plate forgery and tag misuse or sharing, ensuring that only authorized vehicles are granted access to the parking facility.
Q. Is the system reliable in extreme weather conditions?
Yes, the system’s dual-identification technology combines LPR and eTag verification for mutual support, ensuring accurate vehicle recognition even under adverse weather conditions or when license plates are dirty, damaged, or obscured.
Q. Can the system continue operating during network outages or server failures?
Yes. I-View’s UHF readers support offline operation and can store up to 4,180 whitelist entries locally, ensuring uninterrupted 24/7 system functionality even in the event of network disconnection or server downtime.
Reference Videos
Smart Parking Management – Visitor Reservation and Automated Parking Guidance System
Organizations and enterprises can leverage i-View’s smart parking system to integrate internal visitor databases and manage reserved parking for guests. Once a reservation is completed, the system automatically sends the assigned parking space and related information to the visitor’s email. Upon arrival at the parking facility, the entrance display screen shows the license plate number and designated parking location. Directional guidance is provided throughout the lot, ensuring a smooth arrival experience and significantly improving both visitor satisfaction and operational efficiency.
Visitor Parking Reservation System
The smart parking system from Tienlin Technology enables companies or government agencies to efficiently manage visitor parking through a web-based reservation platform. Based on user permissions, administrators can assign available time slots for parking reservations. After the booking is completed, the system automatically sends parking details to the visitor’s email. When the visitor arrives, the entrance display shows the license plate number and reserved parking space, providing a clear reminder of the assigned location.
Intelligent EV Charging Space Management
Common issues with EV charging spaces include occupation by non-EV vehicles, prolonged parking after full charge, or vehicles parked without charging—leading to inefficiency. IVIEW ParkGuide® Smart Parking Management System intelligently identifies vehicle types and charging status. It automatically monitors and manages usage of EV spaces to resolve these problems effectively, ensuring optimal and fair use of every charging spot.
Successful Smart Parking Management Cases
Case 1: Corporate Office and Factory Complex
Wistron Corporation implemented i-View Dual Recognition Parking Management System to effectively manage 950 car spaces and 980 motorcycle spaces within its factory-office complex. With three entry and exit points, the system enables precise control over vehicle access. Operating on a 24/7 shift schedule, the facility handles thousands of vehicle entries and exits daily. The smart system ensures stable performance, enhances gate access efficiency, and strengthens overall site security.
Case 2: Large-Scale Residential Community
Zhu Dong Triumph Land is Taiwan’s largest connected single-family housing community. Its vast area with three entrances and exits led to high security personnel demands and increased costs. After implementing Tianlin’s dual-recognition parking management system, the community not only saved 65% in personnel costs but also improved convenience for residents’ access, enhanced vehicle entry and exit record management, and completely prevented non-resident vehicles from entering.
⛳ More Application Examples:
In addition to the cases mentioned above, Tianlin Technology’s ParkGuide® parking management system has been successfully implemented in many listed companies and important institutions, including MediaTek, ASE Group, SPIL, Epistar, Alishan National Forest Recreation Area, and more.
