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26 March 2014



Point Grey Grasshopper3 camera features new Sony IMX174 sensor

First publishedIntertraffic
Daily News
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Grasshopper3 Joerg Clement Point Grey
Joerg Clement leaps into action with the new Grasshopper3 camera
Machine vision-based cameras can support many high-end transport applications. System suppliers, keen to improve access to products and potential utility, continue to work to improve performance and price point, and examples of the latest and best are on display here at Intertraffic.

Point Grey has recently added a 2.3MP global shutter CMOS model to its Grasshopper3 family of USB3 Vision cameras. The Grasshopper3 GS3-U3-23S6M-C uses Sony’s ground-breaking new IMX174 global shutter CMOS sensor, an extremely fast and sensitive 1-1.2in Exmore offering which offers an image resolution of 1,920 x 1,200 and frame rates of up to 162FPS.

Global shutter CMOS technology avoids the distortion of rolling shutter technology and offers very good smear performance. Applications include high-speed triggering and region of interest functionality. The latter allows users to select smaller HD 1080p or 720p image sizes that run at faster frame rates. Sony’s special ‘analogue memory’ technology minimises fixed pattern noise, dramatically lowering read noise to seven electrons (e-). The IMX174 offers a saturation capacity of 32,000 electrons (e-), a dynamic range of 73dB and a peak quantum efficiency of 76 percent at 525nm.

“The Grasshopper3 is the first market application of the Sony IMX174 sensor,” says Point Grey’s Regional Manager EMEA Joerg Clement. “It’s an exciting development which brings an order-of-magnitude improvement to applications such as those in the transport sector.”
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