Measure scene illuminant using Imatest eSFR chart
measures the scene illuminant using the gray regions of interest (ROIs) of an
Imatest® Extended eSFR chart [1].illuminant
= measureIlluminant(chart
)
To white-balance an image, use the chromadapt
function.
[1] Imatest. "Esfr". http://www.imatest.com/mathworks/esfr/.