AUTOMATED INSPECTION OF TINTED OPHTHALMIC PARTS

A method for inspecting ophthalmic parts comprising colorants, wherein the ophthalmic part is inspected for a possible decentration of the coloured area by establishing and comparing the centre of the coloured area with the centre of a reference means, and wherein the ophthalmic part is inspected fo...

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Bibliographic Details
Main Authors HALL GARY S, EDWARDS RUSSELL J
Format Patent
LanguageEnglish
Published 29.11.2010
Subjects
CONTACT LENSES
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
TESTING
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES
TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Summary:A method for inspecting ophthalmic parts comprising colorants, wherein the ophthalmic part is inspected for a possible decentration of the coloured area by establishing and comparing the centre of the coloured area with the centre of a reference means, and wherein the ophthalmic part is inspected for possible defective areas by pixel wise comparing intensities of an image of a standard ophthalmic part with the intensities of an image of the ophthalmic part to be inspected.
Bibliography:Application Number: SG20070034481