Method for estimating a distance separating a pair of glasses and an eye of the wearer of the pair of glasses

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United States of America Patent

PATENT NO 9671617
SERIAL NO

14383711

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Abstract

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A method for estimating an eye/spectacles distance (VG) includes the steps of:

    a) acquiring at least two images of the wearer (1), in which the head (10) of the wearer exhibits various angular positions;b) determining, for each image acquired, an angle of inclination (α301) of the head of the wearer with respect to the image sensor;c) acquiring at least two simulated values (VG1, VG2, VG3) of the eye/spectacles distance sought;d) calculating, for each image acquired and with each simulated value, a morphological distance (EG1301, EG2301, EG3301) between the eye of the wearer and a median plane of the head of the wearer, having regard to the angle of inclination; ande) selecting, from among the simulated values, the one closest to the eye/spectacles distance of the wearer, as a function of the head/plane distances calculated in step d).

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Patent Owner(s)

  • ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Delzers, Jean Charenton-le-Pont, FR 6 74
Haddadi, Ahmed Charenton-le-Pont, FR 41 285

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