Method and apparatus for determining optical quality

Details Method and apparatus for determining optical quality Method and apparatus for determining optical quality

G - Physics

01

N

G01N 21/00 (2006.01) G01M 11/02 (2006.01) G01N 21/896 (2006.01) G01N 21/956 (2006.01) G01N 21/958 (2006.01) G06T 7/00 (2006.01)

Patent

CA 2353300

A method of determining optical quality of a transparent product includes passing a first gray-scale pattern through the material; obtaining a first image of the first pattern with an image pickup device after the first pattern has passed through the material; and determining optical quality of the material based on data obtained from the first image. An apparatus for determining optical quality of such a material is also disclosed.

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