Digital image system and method for determining surface reflecti

Details Digital image system and method for determining surface reflecti Digital image system and method for determining surface reflecti

1995-04-05

1995-12-19

Pham, Hoa Q.

Optics: measuring and testing

By polarized light examination

With light attenuation

356376, 348128, G01B 1130

Patent

active

054773326

ABSTRACT:
A computer controlled system for determining various physical surface characteristics of an object includes a light source array, positioned to illuminate a surface for evaluation, in which individual lights in the array illuminate the object on a mutually exclusive basis, a radiometer, positioned to receive light from the object, producing image data relative to positions of the light pixels and a computer apparatus that, among other functions in the system, interprets the image data and determines at least the surface waviness, radius of curvature and cant angle of the surface.

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patent: 5173750 (1992-12-01), Laukaitis
patent: 5182614 (1993-01-01), Lill

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