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November 30, 2004
 
 

Background Information: Multi-Exposure (CMOS Cameras)

Going on our everyday experience a camera only works with ONE exposure time. This, however, may lead to problems if the brightness differences of an image are very high. Adapting the exposure time to the dark image parts leads to over-exposure of the bright ones and vice versa. It is possible to use modern CMOS cameras with different exposure times. The pixels of dark image parts are exposed for a long time while those of bright parts are exposed considerably shorter. The details of this multi slope procedure are discussed here: Download white papers.

As always, should you wish to speak to us about this or any other topic related to machine vision, please call us or email us.

 
 
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Established in 1990, The Imaging Source is one of the leading manufacturers of industrial cameras, frame grabbers and video converters for production automation, quality assurance, logistics, medicine, science and security.

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