METHOD FOR EVALUATING PERIODIC BRIGHTNESS MODELS, CALCULATOR FOR EVALUATING THE PHASE POSITION OF SUCH MODELS AND ASSOCIATED DEVICE FOR MEASURING SURFACES OF OBJECTS.

摘要

The invention relates to a method for evaluating periodic brightness models, a computer for evaluating the phase position of such models and a device for measuring object surfaces using such a method and such a calculator. BR/ Several phase-shifted models of band-shaped images are successively recorded by means of a camera (K) and by means of projection systems (P1, P2, P3), with a separate determination of the phase position respective of these models in convolution units (14a, 14b, 14c) of an electronic processing module (B), and then performing a pixel-by-pixel evaluation of the out-of-phase models in the time domain. BR/ Application particularly to topographic measurements. / P