GEO Semiconductor Debuts Processors That Correct Camera-Lens Distortion - GovernmentVideo.com

GEO Semiconductor Debuts Processors That Correct Camera-Lens Distortion

GW3300 features an eWARP plug-in core and GW3400 integrates an Apical-image-signal processor
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GEO Semiconductor Inc., a semiconductor and software-company specializing in camera and projection solutions, introduces the GW3300 and GW3400 programmable processors.

The GW3300 integrates GEO’s eWARP [easy warp] plug-in core and a Tensilica central processing unit with parallel and mobile industry processor interfaces on both inputs and outputs, GEO Semiconductor said. The GW3300’s fully programmable processing engine can correct for complex lens distortion, perspective and rotational misalignment, as well as brightness non-uniformity in real time with as low as 1/6 frame of latency.

The GW3400 integrates an Apical-image-signal processor with high-dynamic-range technology, according to GEO Semiconductor. The ISP applies different processing to each pixel of each video frame to pull out hidden detail in shadows and highlights while preserving colors, local contrast and natural appearance. In addition, the ISP supports the HDR sensors for low light and direct sunlight performance, the company said.

In addition, the eWARP features include pincushion/barrel distortion correction, keystone correction, rotational misalignment correction, stitching of multiple cameras, stitching of multiple projectors, digital calibration, custom lens design and pan, tilt and zoom, GEO Semiconductor said.

There is “an explosion” in the use of ultra-wide panoramic or “fisheye” lenses, and for heads-up display systems, said Brian Gannon, vice president of marketing at GEO Semiconductor. Those “require intense geometric image processing,” he said. “The programmability of the GW3400 allows customers to perform best-in-class geometric processing, such as dewarping, and automate the calibration process which saves enormous manufacturing costs,” he added.

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