Method and device of optical enumeration, to locate and classification according to their size of articles of circular shape, bases, on an intercorrelation by holography

摘要

And optical device of the study of a group of objects on a circular bases intercorrelation. / p & & p & according to the invention, in order to compare the disks is an object of the reference, there is obtained by holography the intercorrelation of the optical fourier transform of the set of disks with a circular ring of reference of the thickness is small compared with the radius. / p & & p & application to controles of pieces, grains, bubbles, drops, etc..