Is there some kind of dedicated sensor for white balance in the camera, or does the processor just grab the normal image signal and perform some processing like "shift color to make the brightest part white"?
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3\$\begingroup\$ Have you looked at how can color temperature be measured using a digital camera or how white-balance really work ? \$\endgroup\$– OlivierMar 4, 2016 at 18:23
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\$\begingroup\$ The answers to that second question are extremely dated. A lot has changed since then. \$\endgroup\$– Michael CMar 4, 2016 at 23:55
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1\$\begingroup\$ @MichaelClark Sounds like a good time to provide an updated answer! \$\endgroup\$– mattdmMar 5, 2016 at 14:28
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