| 摘要 |
<p>Acquisition device for taking a digital relief image of the surface of a tire P, comprising: two colour cameras (13a, 13b) for the acquisition of stereoscopic images, each camera comprising N primary image sensors (131a, 132a, 133a, 131b, 132b, 133b) in a given primary colour (R, G, B), N being equal to or greater than two, and placed so as to acquire the light emitted (E) towards a predetermined area (Z) of the surface of the tire by illumination means (231, 232, 233) and reflected (F) by the surface of said tire; and N illumination means (231, 232, 233) simultaneously projecting, each independently and along the same direction onto said area (Z) of the surface of the tire, light having a wavelength that corresponds to one of the primary colours (R, G, B) of the cameras, according to a fringe system (S1, S2, . . . SN) consisting of an alternation of illuminated and non-illuminated bands of given width (L1, L2, . . . LN).</p> |
