NEXYAD was the head of a collaborative research program on visibility measurement, using the tool VisiNex.
This research program showed a complete correlation between VisiNex measurements and human panel of observers, and could develop new modules for VisiNex and new protocols of measurement.
Partners : NEXYAD, AXIMUM, VALEO, SAINT GOBAIN, IFFSTAR
Link: http://www.viameca.fr/assets/files/maj%20fiches%202012/04%20Fiche%205%20SIR%20Survie.pdf