Module used for transformation of color coordinates. The RGB to CIE L*a*b* transformation is based on ITU-R Recommendation BT.709 using the D65 white point reference. The RGB to rgI transform maps black points on gray.

2003 Commission Internationale de l'Eclairage (CIE) (1978). Official recommendation on color spaces, color difference and metric color terms, Supplement No. 2 for CIE-Publication No. 15, Colorimetry (E-1.3.1), 1971. The "XYZ->RGB" and "Lab->RGB" transformations have not been tested. Christian Balkenius christian.balkenius@lucs.lu.se Lund University Cognitive Science http://www.lucs.lu.se/Christian.Balkenius ColorTransform.h ColorTransform.cc ColorTransform.ikc