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The VTR2 series of high-power strobe lights from Gardasoft can be used for automatic number-plate recognition and other traffic applications.

These include classification of vehicles based on their type (car, lorry, motorcycle, etc.) or vehicle brand, using software from Stemmer Imaging.

The VTR2 range of line LEDs provides an efficient, stable high-brightness strobe source with a fast repetition rate for high camera frame rates.

The lights can strobe in free running mode, or they can accept an external trigger signal to synchronise the light with a camera.

Available in a range of infrared wavelengths (740, 850 and 940nm) and white light (for use with colour cameras), together with a choice of beam angles, the lights can be configured to meet the spectral needs of the imaging system, as well as the field of view.

Housed in a weather-proof enclosure rated to IP66, the VTR2 is capable of illuminating complete vehicles.

The high-brightness output makes the lights suited to traffic applications where the distance of the vehicle from the optical system is increasing and allows for more information to be gained from the image, rather than just the vehicle number plate.

A serial interface provides access to the light settings, such as the light temperature, and to a diagnostic capability in the event of an LED failure.

Since the thermal management of the LEDs is critical to long service life, the VTR lights have an internal temperature limit and will automatically shut down if this is exceeded.

All settings are stored in non-volatile memory.

STEMMER IMAGING is Europe’s largest imaging technology provider with headquarters in Germany and subsidiaries in the United Kingdom, France and Switzerland.

Image processing or Machine Vision is used in many different application areas – such as industrial automation, medical imaging, security and traffic technology – as a powerful and cost effective way of implementing automatic quality assurance. Even at high speeds and with stringent accuracy requirements, image processing allows 100% monitoring and thus strengthens the competitive edge of those companies using it.

STEMMER IMAGING customers have access to a wide variety of imaging products from the worlds leading manufacturers. These manufacturers represent the cutting edge of vision technology which is something that is unique in Europe. STEMMER IMAGING are the developers of the world’s leading image processing software platform, Common Vision Blox, and as a manufacturer of customer-specific products, we have a full range of in-house expertise to draw on, allowing us to supply the best possible service to our customers when choosing an imaging solution. STEMMER IMAGING does not produce turn-key solutions – instead, using our close partnerships with a large number of experienced system integrators, we can provide expert technical know-how for the planning, integration and realisation of complete solutions.

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