Method and apparatus for measuring the shape of glossy objects

Details Method and apparatus for measuring the shape of glossy objects Method and apparatus for measuring the shape of glossy objects

1993-03-24

1995-05-09

Limanek, Robert P.

Optics: measuring and testing

By polarized light examination

With light attenuation

250234, G01B 1124

Patent

active

054145171

ABSTRACT:
A method of measuring the shape of a glossy object includes the simultaneous illumination of the whole surface of the object by two light sources which are arranged on the same axis a fixed distance apart, light from one of the light sources that is reflected from the glossy object being picked up by image capture means located at the position of the other light source, and from the imaging position of the reflected light thus captured the angle of incidence of the reflected light on the image capture means is calculated and triangulation is used to calculate the spatial location of a light reflection point on the surface of the glossy object.

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