METHOD FOR DETERMINING AT LEAST ONE GEOMETRIC/PHYSIOGNOMIC PARAMETER ASSOCIATED WITH THE MOUNTING OF AN OPHTHALMIC LENS IN A SPECTACLE FRAME WORN BY A USER

Method includes: (a) placing on a user's head an accessory including at least one brightness calibration element having at least two contrasted zones; (b) capturing an image of the user's head with the accessory thereon with a device; (c) determining the position of the image of the bright...

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Hauptverfasser:	DELZERS, Jean, HADDADI, Ahmed
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONTACT LENSES DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES SURGERY
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creator	DELZERS, Jean HADDADI, Ahmed
description	Method includes: (a) placing on a user's head an accessory including at least one brightness calibration element having at least two contrasted zones; (b) capturing an image of the user's head with the accessory thereon with a device; (c) determining the position of the image of the brightness calibration element of the accessory on the captured image; (d) determining a measured value of the brightness of one part of the image of the brightness calibration element or of the image located close to the brightness calibration element; (e) modifying a parameter for adjusting the optical image-acquisition conditions of the device as a function of the measured value to improve the contrast of the image of contrasted zones of the calibration element; (f) capturing another image with the modified parameter for adjusting the optical acquisition conditions; and (g) determining the required geometric/physiognomic mounting parameter on the basis of the other image.
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language	eng ; fre ; ger
recordid	cdi_epo_espacenet_EP2678735B1
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subjects	CONTACT LENSES DIAGNOSIS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES SURGERY
title	METHOD FOR DETERMINING AT LEAST ONE GEOMETRIC/PHYSIOGNOMIC PARAMETER ASSOCIATED WITH THE MOUNTING OF AN OPHTHALMIC LENS IN A SPECTACLE FRAME WORN BY A USER
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