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News

White paper from Vumii provides guide to night vision technology

Vumii : 16 September, 2008  (Technical Article)
Experts in night vision deliver white paper examining the differences between thermal imaging technology and patent pending continuous wave laser illumination
Today's physical security professionals in transportation, critical infrastructure and government organisations are increasingly given the task of not only detecting objects at night, but also investigating, interpreting and responding to criminal and terrorist threats. To help these professionals evaluate technologies that will most improve their long-range investigative capabilities, Vumii, has released a white paper today at ASIS 2008 that compares and contrasts two night vision technologies - thermal imaging and continuous wave laser illumination, Vumii's patent-pending technology that uses advanced electro-optics to produce a natural contrast.

Key findings of the paper conclude that based on scalability, magnification, pixel performance, zoom capabilities, versatility, maintenance, and controllable light sources, continuous wave laser illumination offers numerous distinct benefits over thermal imaging. The white paper, entitled "Continuous Wave Laser Illumination: The Clear Choice over Thermal Imaging for Long-Range, High-Magnification Night Vision Perimeter Protection" can be downloaded by visiting the Vumii web site.

The informative piece defines, provides a historical reference, and closely examines the two technologies, allowing security professionals to assess the criteria necessary for evaluating and ultimately purchasing the right night vision system for a variety of environments.

"Continuous wave laser systems use active illumination to easily pick up any type of target while thermal imaging systems rely on heat emitted by the target," said Vumii CEO Randall Foster. "Security operators using conventional thermal technology for distances greater than several hundred meters see images in which people look like blobs and text cannot be seen since it's often the same temperature as the surface on which it is written.
"Because continuous wave laser illumination systems produce a natural contrast image rather than a heat-contrast image, people look like people and words, characters, and markings can be read," Foster continued. "This approach gives security professionals the ability to identify targets, recognize facial features and read license plates and ship identification numbers at distances up to 3000 meters."

Foster added that many "friendly fire" incidents that occur in real-world military exercises are the result of thermal imagery's inability to provide real recognition and identification capabilities.

"To date, Vumii is the only company to offer a continuous wave laser illumination system providing a more accurate method for threat assessment compared to conventional thermal products as well as a more cost-effective approach than high-magnification thermal solutions," said Foster. "Not only does our technology provide continuous optical zoom, high resolution video in day (full colour) and night (grayscale), but security operators can also see through standard or tinted glass, giving them the most revolutionary night vision capabilities available on the market."

ASIS attendees who visit Vumii at booth 4359 can examine the company's line of Discoverii day/night camera systems which are designed to provide unsurpassed image clarity and magnification capabilities for the ultimate in perimeter and border surveillance applications. Vumii's solutions empower security personnel to make better decisions regarding the safety and protection of commercial industrial locations, transportation infrastructure, government and military sites, and national borders. Vumii's innovative long-range, night surveillance cameras and its Sensorii software represent a revolution in night vision capabilities by providing natural contrasts, high magnification, and situational awareness in complete darkness.
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