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Stemmer Imaging has introduced a dual CCD camera suitable for indoor/outdoor or day/night surveillance, traffic applications, welding, glass inspection or applications involving lasers or laser grids.

The new JAI AD-081GE dual CCD camera provides independent shutter/gain control for each CCD, enabling the camera to capture details in scenes with a wide variation of light intensities, giving enhanced dynamic range and versatile imaging.

This new camera is fully GigE Vision/Genicam compliant and features built-in image fusion capabilities for merging the outputs from the two sensors.

Independent control of the shutter and gain for each sensor not only allows the camera to be configured for high-dynamic-range (HDR) applications but also makes it suitable for applications where two extremes of light levels may need to be imaged.

Each sensor can be set to give optimum sensitivity for a particular light level.

The image fusion routine built into the JAI SDK features three selectable HDR modes, which can automatically produce HDR output without any post processing, with the user simply setting the exposure value of each of the CCDs.

In addition, there are a variety of specialised HDR functions and a sample application included in the SDK and Control Tool software.

This allows HDR processing to be offloaded to a host computer, either to the sample application supplied or to a customised application built from the HDR functions to suit the specific application.

The two prism-mounted monochrome 1/3in CCDs (1,024 x 768 pixel resolution) with monochrome sensitivity in the visible spectrum are aligned to within one-quarter pixel accuracy.

This ensures that both sensors have the same field of view and that there are no ghosting or parallax issues when imaging moving objects or scenes.

In addition to the HDR mode, the AD-081GE features a new High S/N mode that automatically averages the video information from the two CCDs to produce a single image with a lower noise component than a typical single CCD image.

This is achieved by interleaving the images from the two CCDs into a single output stream.

This enables the camera to operate at an effective 60fps without any increase in the clock frequency of the camera, thus providing a less noisy image.

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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