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On the Color Constancy of Vision

On the Color Constancy of Vision

by Gerald Huth on May 31, 2005

The unique color constancy of the human visual process is explained by precise mid-band (green) wavelength interacting at a “geometrically-defined” point on the retina at 7 1/2 degrees of retinal angle. No matter how the optical spectrum incident on the eye changes, color is determined by a ratio of intensities on either side of this fixed point as Land predicted.

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