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Dialog Semi, Carl Zeiss partner on integrated VGA camera

Posted: 17 Sep 2004 ?? ?Print Version ?Bookmark and Share

Keywords:dialog semiconductor? carl zeiss? vga camera? image sensing processor? isp?

Dialog Semiconductor and Carl Zeiss have jointly developed an integrated VGA camera with an image sensing processor (ISP), flex module and 20-pin connector.

Measuring 7.3-by-7.2-by-6.1mm, the module features a 3-element plastic lens using optics by Carl Zeiss, a 5.6?m pixel size, fully programmable viewfinder, an RGB/YUV output, and integrated voltage regulators. Additionally, the module requires no external components (includes five capacitors), and comes with a CCIR656 physical interface and serial interface.

One of the issues in camera modules for mobile phones is how to get a lens that is small enough but also with a quality high enough to ensure optimum light transmission to the image sensor, at the same time can be easily manufactured in high volume production, the press release from the two companies stated.

The advanced ISP in the module, developed by Dialog Semi, uses the company's active pixel sensor (APS) technology to provide high confidence visible light image capture and a fully user-programmable viewfinder function. The ISP also provides many enhanced features for image manipulation, including an automatic defect pixel correction and black level compensation; automatic white balance correction; automatic exposure control with spot metering feature; advanced color correction matrix for improved images; image structure analysis for sophisticated interpolation; gamma correction; and contrast enhancement to improve dynamic range. In addition, the ISP also supports VGA, CIF and programmable viewfinder formats, and features frame rates of up to 30fps at VGA and CIF.

According to the Dialog Semi and Carl Zeiss, future modules will incorporate autofocus support and optical zoom with low profile lenses.

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