Method for detecting a defect in a zone of interest of an optical lens

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United States of America Patent

PATENT NO 11709110
APP PUB NO 20210164864A1
SERIAL NO

17252830

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Abstract

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Method for detecting a defect in a zone of interest of an optical lens, the method including: an image reception step, during which a plurality of images is received, each image includes a view of the zone of interest in front of a plurality of specific patterns, each specific pattern including a bright area and a dark area, and at least one image received is saturated in light intensity; a sampling step, during which each image of the plurality of images are sampled based on a common sampling pattern; a recombination step, during which a recombined image of the zone of interest is determined based on the common sampling pattern; and a defect detection step, during which a defect is detected in the zone of interest of the optical lens based on an analysis of the recombined image.

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Patent Owner(s)

  • ESSILOR INTERNATIONAL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lemaire, Cédric Charenton-le-Pont, FR 5 12

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