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Image signal processor targets automotive cameras

OmniVision’s OAX4000 image signal processor reduces design complexity in automotive camera designs, and meets multi-functional requirements.

OmniVision Technologies, Inc. has launched the OAX4000, a companion image signal processor (ISP) that offers design flexibility for next-generation automotive single- and multi-camera architectures inside and outside the vehicle. Traditionally, electronic control modules required two ISPs, but with the OAX4000 only one is needed, which reduces design complexity and space as well as improves overall reliability, said OmniVision.

OmniVision OAX4000 image signal processorThe OAX4000 is a companion ISP for the OmniVision HDR sensors. Targeting automotive applications including surround-view systems, e-mirror, interior and autonomous driving cameras, the ISP is designed to provide a complete multi-camera viewing application solution with a fully processed YUV output.

This application-specific integrated circuit (ASIC) OAX4000 is capable of processing data streams from up to four cameras at 3 megapixels (MP)  with 140 dB HDR or one at 8 MP. It supports multiple color filter array (CFA) patterns, including Bayer, RCCB, RGB-IR and RYYCy, and provides the option to output stream for both machine vision and human viewing pipelines independently.


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The company also upgraded the imaging pipeline for better image quality, including the tone-mapping algorithm. The ISP also offers more than 30 percent power savings over the previous generation.

The OAX4000 complies with ASIL B advanced safety standards. It is available now for sampling and mass production. OmniVision will showcase the OAX4000 ISP at AutoSens Detroit, May 12-13, 2020, along with video demos. To register, click here.

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