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CMOS image sensor alerts drivers of road risks

Posted: 27 Oct 2008 ?? ?Print Version ?Bookmark and Share

Keywords:CMOS? driver? sensor?

Melexis Microelectronic Systems has released the MLX75307, its newest CMOS image sensor, which is designed for automotive front-vision applications, such as advanced driver assistance systems, high beam assist and night vision. It provides road safety measures by proactively alerting the driver of possible dangers.

The image sensor has high dynamic range pixel matrix that extends both I/O dynamic ranges, operating beyond piecewise linear response. At the same time, the sensor has a low-light response boost that enhances image brightness and contrast in low-light conditions.

Integrating both functions in a compact frame, the sensor gives high dynamic range while achieving high-image contrast in dark-image areas. This sensor is suitable for night vision, tunnel's entrance and exit, and application fusion.

To facilitate sensor capacity comparisons, Melexis has incorporated the EMVA1288 initiative. The initiative's goal is to standardize the protocols in gauging imaging sensor performance. With the newly released EMVA1288 standard, the 12bit performance of the sensor has been shown to be limited only by shot noise at ambient temperatures and to detect near IR light irradiance below 500 photons per pixel at 150fps. This involves identifying a candle at more than 250m distance with a typical night vision lens.

The release of the MLX75307 sensor is expected by 2009.

- Ismini Scouras
eeProductCenter





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