FR2931001A1 - Spectacle glass-eye distance and pantoscopic angle measuring method, involves superimposing semi-transparent image of subject without frame and semi-transparent image of subject with frame for obtaining perfect concordance - Google Patents

Spectacle glass-eye distance and pantoscopic angle measuring method, involves superimposing semi-transparent image of subject without frame and semi-transparent image of subject with frame for obtaining perfect concordance Download PDF

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Publication number
FR2931001A1
FR2931001A1 FR0802525A FR0802525A FR2931001A1 FR 2931001 A1 FR2931001 A1 FR 2931001A1 FR 0802525 A FR0802525 A FR 0802525A FR 0802525 A FR0802525 A FR 0802525A FR 2931001 A1 FR2931001 A1 FR 2931001A1
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France
Prior art keywords
frame
subject
semi
image
transparent image
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FR0802525A
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French (fr)
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FR2931001B1 (en
Inventor
Xavier Arthur Carriou
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Individual
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Individual
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Priority to FR0802525A priority Critical patent/FR2931001B1/en
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C13/00—Assembling; Repairing; Cleaning
    • G02C13/003—Measuring during assembly or fitting of spectacles
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C13/00—Assembling; Repairing; Cleaning
    • G02C13/003—Measuring during assembly or fitting of spectacles
    • G02C13/005—Measuring geometric parameters required to locate ophtalmic lenses in spectacles frames

Abstract

The method involves obtaining an image of a side view of a subject without spectacle frame and an image of a side view of the subject with spectacle frame. The images are processed in order to render the images semi-transparent. The semi-transparent image of the subject without frame and the semi-transparent image of the subject with frame are superimposed for obtaining perfect concordance. An independent claim is also included for a method for measuring pupil with respect to a spectacle frame.

Description

L'invention concerne un procédé pour la prise de mesure de la position de l'oeil par rapport à la monture de lunettes. The invention relates to a method for measuring the position of the eye relative to the eyeglass frame.

Les procédés actuels pour mesurer la position de l'oeil par rapport à la monture utilise une seule photo de face ou de profil d'un sujet muni de la monture. Dans le cas de branches épaisses ou de lunettes solaires il n'est pas possible de visualiser correctement l' oeil qui est masqué par la monture ou les verres. La mesure est alors impossible ou très délicate. Current methods for measuring the position of the eye relative to the frame uses a single face or profile photo of a subject with the frame. In the case of thick branches or sunglasses it is not possible to correctly visualize the eye which is masked by the frame or glasses. The measurement is then impossible or very delicate.

L'invention permet de remédier à ces inconvénients. En effet, selon une forme préférentielle, le procédé consiste à utiliser 2 photos du sujet, avec et sans la monture de lunette. Un logiciel traite les images pour les rendre transparentes, dans une forme préférentielle, le taux de transparence peut être variable pour donner un résultat plus confortable et une mesure plus précise (figure n°1). Dans une forme préférentielle le logiciel permet de déplacer une image par rapport à l'autre et de la faire pivoter pour obtenir une parfaite concordance (figure n°2). La monture ou un réglet étalon appliqués à la monture permettent de mettre l'image à l`échelle afin de réaliser les mesures (figure n°2 C). Dans le cas de la vue de profil les mesures possibles sont : l'angle pantoscopique (figure n°2 A) la distance verre oeil (figure n°2 B) ainsi que la hauteur de la ligne de regard qui traverse le verre. Dans le cas de la vue de face les mesures possibles sont : la hauteur par rapport au bas de la monture et la distance entre l'oeil et le milieu de la monture.The invention overcomes these disadvantages. Indeed, according to a preferred form, the method consists in using 2 photos of the subject, with and without the spectacle frame. A software processes the images to make them transparent, in a preferred form, the transparency rate can be variable to give a more comfortable result and a more precise measurement (FIG. 1). In a preferred form, the software makes it possible to move one image relative to the other and to rotate it to obtain a perfect match (FIG. 2). The mount or a calibration rule applied to the frame allows the image to be scaled for measurements (Figure 2 C). In the case of the profile view, the possible measurements are: the pantoscopic angle (figure 2A), the eye glass distance (figure 2B) and the height of the line of sight that passes through the glass. In the case of the front view the possible measures are: the height relative to the bottom of the frame and the distance between the eye and the middle of the frame.

25 Dans une forme particulière du procédé deux images tridimensionnelles réalisée par stéréophotographie et récupérées sous forme de fichier sont concaténées pour ne faire apparaître qu'une image tridimensionnelle, et ainsi mesurer les dis-tances qui séparent le centre de l'oeil à un point quelconque de la monture en 30 coordonnées vectorielles . L'usage de la stéréophotographie ne nécessitant pas d'étalon, la mise à l'échelle est donc automatique grâce à sa propre calibration. 15 20 35 In one particular form of the method two three-dimensional images made by stereophotography and retrieved in file form are concatenated to reveal only a three-dimensional image, and thus measure the distances that separate the center of the eye at any point. mount in 30 vector coordinates. The use of stereophotography does not require a standard, so scaling is automatic thanks to its own calibration. 15 20 35

Claims (6)

REVENDICATIONS1) un procédé de prise de mesure de la distance du verre de lunette à l' oeil et de l'angle pantoscopique de la monture par superposition de l'image semi transpa- rente vue de profil du sujet sans la monture de lunettes avec l'image semi transparente de la vue de profil du sujet avec la monture de lunettes. 1) a method for taking the measurement of the distance of the spectacle lens from the eye and the pantoscopic angle of the frame by superposition of the semi-transparent image seen in profile of the subject without the spectacle frame with the semi-transparent image of the profile view of the subject with the spectacle frame. 2) un procédé de prise de mesure de la pupille par rapport à la monture par superposition de l'image vue semi transparente de face du sujet sans la monture de lunettes avec l'image semi transparente de la vue de face du sujet avec la monture de lunettes. 2) a method for measuring the pupil with respect to the frame by superposition of the semi-transparent front view image of the subject without the spectacle frame with the semi-transparent image of the front view of the subject with the frame glasses. 3) un procédé de prise de mesure de la pupille par rapport à la monture par superposition de l'image tridimensionnelle du sujet sans la monture de lunettes avec l'image tridimensionnelle de la vue de face du sujet avec la monture de lunettes. 3) a method of measuring the pupil relative to the frame by superimposing the three-dimensional image of the subject without the spectacle frame with the three-dimensional image of the front view of the subject with the spectacle frame. 4) un procédé suivant la revendication 1, 2 ou 3 dans lequel l'étalonnage de l'image est réalisé grâce à la monture elle même. 4) a method according to claim 1, 2 or 3 wherein the calibration of the image is achieved through the frame itself. 5) un procédé suivant la revendication 1, 2 ou 3 dans lequel l'étalonnage de l'image est réalisé grâce à un repère attaché à la monture spécialement pour l'étalonnage de l'image. 25 5) a method according to claim 1, 2 or 3 wherein the calibration of the image is carried out by means of a mark attached to the mount specially for image calibration. 25 6) un procédé suivant la revendication 1 ou 2 dans lequel le taux de transparence appliqué à chaque image est variable . 30 6) a method according to claim 1 or 2 wherein the transparency ratio applied to each image is variable. 30
FR0802525A 2008-05-06 2008-05-06 METHOD FOR MEASURING THE POSITION OF THE EYE IN RELATION TO THE FRAME OF EYEWEAR Expired - Fee Related FR2931001B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0802525A FR2931001B1 (en) 2008-05-06 2008-05-06 METHOD FOR MEASURING THE POSITION OF THE EYE IN RELATION TO THE FRAME OF EYEWEAR

Applications Claiming Priority (1)

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FR0802525A FR2931001B1 (en) 2008-05-06 2008-05-06 METHOD FOR MEASURING THE POSITION OF THE EYE IN RELATION TO THE FRAME OF EYEWEAR

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FR2931001A1 true FR2931001A1 (en) 2009-11-13
FR2931001B1 FR2931001B1 (en) 2010-09-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170105587A (en) * 2015-03-10 2017-09-19 호야 렌즈 타일랜드 리미티드 Measurement device for eyeglasses-wearing parameter, measurement program for eyeglasses-wearing parameter, and position designation method
US11215849B2 (en) 2019-06-17 2022-01-04 Marko Teodorovic Pantoscopic tilt measurement device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010026351A1 (en) * 1998-09-22 2001-10-04 Feng Gao Interactive eyewear selection system
US6533418B1 (en) * 1997-05-16 2003-03-18 Hoya Corporation System for making spectacles to order
US6791584B1 (en) * 2000-09-05 2004-09-14 Yiling Xie Method of scaling face image with spectacle frame image through computer
FR2860887A1 (en) * 2003-10-13 2005-04-15 Interactif Visuel Systeme Ivs Face feature parameter measuring process for mounting optical glasses on frame, involves producing series of snapshots of glass bearer face during displacement between face and camera to generate most reliable snapshot
WO2005071468A1 (en) * 2004-01-13 2005-08-04 Ophthonix, Inc. Custom eyeglass manufacturing method
EP1728467A1 (en) * 2004-03-26 2006-12-06 Hoya Corporation Spectacle lens supply system, spectacle wearing parameter measurement device, spectacle wearing inspection system, spectacle lens, and spectacle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6533418B1 (en) * 1997-05-16 2003-03-18 Hoya Corporation System for making spectacles to order
US20010026351A1 (en) * 1998-09-22 2001-10-04 Feng Gao Interactive eyewear selection system
US6791584B1 (en) * 2000-09-05 2004-09-14 Yiling Xie Method of scaling face image with spectacle frame image through computer
FR2860887A1 (en) * 2003-10-13 2005-04-15 Interactif Visuel Systeme Ivs Face feature parameter measuring process for mounting optical glasses on frame, involves producing series of snapshots of glass bearer face during displacement between face and camera to generate most reliable snapshot
WO2005071468A1 (en) * 2004-01-13 2005-08-04 Ophthonix, Inc. Custom eyeglass manufacturing method
EP1728467A1 (en) * 2004-03-26 2006-12-06 Hoya Corporation Spectacle lens supply system, spectacle wearing parameter measurement device, spectacle wearing inspection system, spectacle lens, and spectacle

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170105587A (en) * 2015-03-10 2017-09-19 호야 렌즈 타일랜드 리미티드 Measurement device for eyeglasses-wearing parameter, measurement program for eyeglasses-wearing parameter, and position designation method
EP3270099A4 (en) * 2015-03-10 2018-08-22 Hoya Lens Thailand Ltd. Measurement device for eyeglasses-wearing parameter, measurement program for eyeglasses-wearing parameter, and position designation method
US10156740B2 (en) 2015-03-10 2018-12-18 Hoya Lens Thailand Ltd. Spectacle wearing parameter measurement device, spectacle wearing parameter measurement program, and position specifying method
KR101960211B1 (en) 2015-03-10 2019-03-19 호야 렌즈 타일랜드 리미티드 Measurement device for eyeglasses-wearing parameter, measurement program for eyeglasses-wearing parameter, and position designation method
US11215849B2 (en) 2019-06-17 2022-01-04 Marko Teodorovic Pantoscopic tilt measurement device

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