METHOD FOR DETERMINING THE NACRE THICKNESS ON A PEARL, IN PARTICULAR A PEARL OF CULTURE

摘要

The object of the invention is a method for determining the pearl thickness of a pearl, by means of X-rays working on a zone Z, in particular a cultured pearl, comprising a spherical nucleus, mother-of-pearl and optionally at least one cavity, said bead being disposed in a cell A of a support P intended to contain it, characterized in that it comprises the succession of the following steps: - Segmenting the bead, - Detecting the Nucleus, - Detecting at least a cavity, and - Calculate the thickness of the mother-of-pearl.