To calibrate color meters, we use white reference plate. Common white reference plates are made with ceramic tile and have some specular components that cause some discrepancy between different geometry systems. We developed a new geometry free white reference plate that has no specular component. It will be helpful to increase the accuracy in measuring color or calibrating color meters. We want to show the properties of a new white reference plate. Our new white standard reference plate will be used for transferring the international standard of the absolute spectral diffused reflectance.
"Geometry free white standard reference plate", Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); doi: 10.1117/12.464518; https://doi.org/10.1117/12.464518