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Nonlinear camera sensors
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Nonlinear camera sensors


  • Subject: Nonlinear camera sensors
  • From: "Bertho" <email@hidden>
  • Date: Wed, 2 Feb 2005 09:00:48 -0500

I have been evaluating a calibration system for digital cameras and I found a possible problem:

 

There is a shift in white balance vs. illumination level.  In other words, there is a color shift depending of the grayness of the gray card.

 

This ought to affect the profiling of cameras.  For the details see:

 

http://www.vinland.com/Contrast.html

 

Is this problem isolated to my camera or is it generic to all or only some brands of cameras?

Bertho Boman

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