Powerful high performance Automated License Plate Recognition (ALPR) software engine with Neural Network Technology
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- Unique Neural Network Processing
- High accuracy and high speed vehicle plate recognition - in excess of 120 mph
- All-weather capability
- Automatic geometric correction for skew, tilt and rotation
NDI Recognition Systems is the leading manufacturer and supplier of high performance, high accuracy ALPR systems. NDI's ALPR products are based on a proprietary neural network recognition engine called Talon. Neural Network Technology is superior to any template based Optical Character Recognition (OCR) ALPR system, offering significantly higher performance and accuracy.
Talon is a software-based processor designed to be installed on modern computers running the Windows operating system. Talon's use of Neural Network Technology provides significantly higher performance and accuracy.
Talon ALPR can be supplied with a diverse range of additional Talon application software, providing a complete 'end to end' ALPR solution.
Talon is the result of the most extensive development program undertaken by any ALPR company. Development was started by Racal Electronics in 1993 and the system has been continually refined and improved to maintain its leading market edge and superiority.
The Talon ALPR Recognition Process
Talon has a sophisticated 'plate finding' algorithm, this algorithm very accurately detects the presence of a license plate in the camera's field of view. When a license plate is detected, a trigger is activated which initiates a suite of software recognition algorithms. These algorithms identify the position of the plate in the image, extract the plate image, apply geometric distortion compensation if necessary and segment the plate into individual characters.
Each character is then fed into a software neural network.This network uses a unique mathematical perceptron model. Unlike multi-layer perceptron models (MLP), the NDI-RS model cannot suffer from 'over learning' and a reduction in accuracy. The network produces an estimate for every character input resulting in a string of characters, which is its best estimate for the license plate. For each passing vehicle multiple recognition results are obtained and our advanced post processor will analyze and produce the best result.
These features contribute to the extraordinary accuracy of the Talon system.
Why should Talon be your first choice for your ALPR requirement?
- Trained Neural Network
- Neural Networks have a distinct advantage over alternative OCR solutions as the correct read rate of license plates is significantly higher. The Talon Neural network is simply the most advanced and accurate commercially available ALPR solution. The networks are not programmed in the traditional sense but are trained by example on a large number of repetitions of character sets. Consequently neural network based techniques are more able to recognize poorly defined, distorted and dirty characters, ensuring accuracy in the most demanding real world conditions.
- Multi-lane Processing Capability
- The Talon Neural Networks are capable of accurate high speed plate recognition from multiple lanes of high speed or high density traffic. The system is currently capable of processing four camera feeds on a single processor.
- Confidence Levels
- Each individual character within a vehicle license plate is given a specific score, this score is the confidence of read accuracy. Multiple license plate images are processed for each passing vehicle. This allows the processor to post the best possible result for each vehicle.
Our Talon ALPR products are available for a number of ALPR applications:
- Fixed Site System - town and city centers, border control and access control systems
- Mobile In-car Systems - commonly used by law enforcement and security forces worldwide
- Portable System
- Laptop System - up to two lanes
Talon Software Applications
Talon ALPR can be supplied with a range of application software:
- Policing, surveillance, counter-terrorism
- Imaging
- CCTV integration
- Access control
- Car park management
- Traffic management
- Enforcement, tolling, congestion charging
- Custom solutions
Due to a policy of continued product development, NDI Recognition Systems reserves the right to alter or amend any published specifications without notice.