Figure 1. The chromaticities obtained in the first colorimeter assessment are marked by a point. They are connected by a line to the chromaticities from the second assessment. Broken lines represent the participants whose consistency was rated as poor by both examiners. In the first assessment saturation was constrained to 30, so the second assessment usually gave chromaticities that were more saturated (i.e. further from equal energy white, shown by the cross)

From

The Repeatability of Colorimetry is Precise(ly) as Expected

Amelia Aldrich, Rupal Lovell-Patel, Peter Allen, Arnold Wilkins

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