Recognition Systems

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September 10th, 2011 admin Leave a comment Go to comments

Recognition Systems

Automatic number plate recognition – ANPR – Supervision Technology

Automatic number plate recognition (ANPR) is supervision technology that was developed in 1976 in the UK and police usage started in 1979. ANPR is also called by various other names such as Automatic vehicle identification, Car Plate recognition, Number plate recognition and License plate recognition system.

The technology uses optical character recognition software to scan images to read the number plates of the vehicles. The ANPR technology is constantly developing and evolving. Its main usage lies in security and police tracking work. It is being used in countries like U.K, U.S.A., Italy, Germany and many European countries. License Plate recognition cameras are also used as speed cameras and in traffic management. The Number plate recognition system is also being used to collect toll tax and congestion charges in various cities like London.

Automatic Number plate recognition increases the chances of recovering stolen vehicles as it can check and verify with a database many times faster than a manual process. In some cases, insurance companies are helping in purchasing these systems as it is ultimately beneficial to them.

Vigilant Video has utilized the above technology to create Car Detector. Car Detector uses the license plate recognition software to capture and store data on unauthorized vehicles. Car Detector has two variants:

1. Fixed Camera License Plate Recognition Systems (CDFS) It is being used by businesses to examine deliveries, compute correct parking fees, limit employee access and secure border areas. Car Detector gathers information from video monitoring unit or a still image capturing unit and stores it in a database for future reference. Car Detector uses simulated intelligence and state-of-the-art sensor technology to detect violations. It is currently being used in Commercial Buildings, parking access control, toll collection, airport security including customs check points and corporate surveillance etc.

2. Mobile License Plate Recognition Systems (CDMS) This is being used by the police vehicles to detect stolen or suspect cars automatically by driving on the highway or while passing through a parking lot. The system uses License Plate recognition and compares it with a database. The system also stores information for any future references. Vigilant Video is a leading provider of Automatic Number Plate Recognition systems and Video Analytics Software based systems.

About the Author

For further information regarding Video Analytics Security, License plate recognition system and facial detection, Automatic Number Plate Recognition. Please visit www.vigilantvideo.com

How does a Human or a face recognition system works?

Whats the actual working of a Face Detection or a human detection system.

How do they detect?

Most of the details are kept secret, as companies that develop those programs want to continue to sell to customers.
In general, one can tell faces apart by the spacing between features. Eyes, mouth, nose, chin, other parts of the face can be digitized by cameras and computers. Measurements of the relative distances between facial features can be compared to a database. If a match is found, the picture of the match is shown for comparison.
Many similar faces or from the same family may lead to confusion and bad identification.