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Dual Sensor Cameras Capture Number Plates in Korean Road Tunnel

Arecont Vision : 08 June, 2010  (Application Story)
Arecont Vision has overcome the ANPR challenge of megapixel cameras with a dual-sensor system which is being used for number plate recognition to recognise vehicles violating traffic signals in a dimly lit tunnel in Korea
Dual Sensor Cameras Capture Number Plates in Korean Road Tunnel
Recognizing the licence plate numbers of cars travelling at high speeds through a dimly lit tunnel may seem like a highly challenging surveillance application. Fortunately, MegaVideo Day/Night dual-sensor cameras from Arecont Vision can provide detailed, sharp images even in low-light environments. That is why the local law enforcement and traffic authority of a recently constructed motor vehicle tunnel in Korea have turned to the AV3130 MegaVideo solution from Arecont Vision.

The system was designed by local distributor, ViewRun, a Korean company experienced in machine vision and surveillance, and was installed by their integrator, Korea Image Systems. The high resolution MegaPixel surveillance cameras from Arecont Vision were installed to capture the licence numbers of cars that break the tunnel's traffic lights.

The Korean tunnel application uses Arecont Vision's dual-sensor AV3130 3/1.3 MegaPixel (3 MP in colour mode, 1.3 MP in black and white mode) full motion progressive scan IP cameras providing up to 15 frames per second in colour, or day mode and 30 frames per second in black-and-white or night mode. Each camera contains a massively-parallel MegaVideo image processor chip that is capable of sustaining more than 6 billion operations per second, providing outstanding resolution and performance.

ViewRun selected Arecont Vision cameras because of their low-light performance and the full motion progressive scan capabilities, facilitating a seamless installation and implementation process. The tunnel system also uses Arecont Vision's AV100 Network Video recorder software and the LuxRiot NVR video management software provided by A&H Software House, an Arecont Vision technology partner. The system sends video images along a100 base T Internet connection.

"Number plate recognition is one of the more challenging applications for video surveillance," said Becky Zhou, Arecont Vision Director of Sales, Asia Pacific. "The benefits of the improved image quality, low-light sensitivity, and high frame rates made possible with Arecont Vision MegaPixel cameras, combined with our low price points, make the technology more readily available to a large range of new customers."
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