公开(公告)号：US10380411B2

公开(公告)日：2019-08-13

申请号：US15312296

申请日：2015-05-19

Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

Inventor： Guilhem Escalier

IPC: G06K9/00 ,  G06T7/73 ,  G06T7/80 ,  G06T17/00 ,  G06T19/20 ,  H04N13/239

Abstract: Disclosed is a method for constructing a model of a face, including: locating (L) a single plurality of characteristic points of the face, forming a corresponding plurality of specific models of the face each including the positions of the characteristic points of the face of the person at the time associated with the specific model in question; adjusting (A) by determining, for each specific model of the face, a model adjusted relative to a reference model of the face of the person, the adjusted model being obtained in accordance with the specific model in question such that the distance between the adjusted model and the reference model is minimal according to a given metric; and constructing (C), from the adjusted models obtained during the adjustment step (A), the model of the face of the person. Also disclosed are methods and devices for posture analysis using such a constructed model.

公开(公告)号：US10001663B2

公开(公告)日：2018-06-19

申请号：US15312526

申请日：2015-05-19

Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

Inventor： Thierry Bonnin ,  Guilhem Escalier ,  Ahmed Haddadi

IPC: A61B3/10 ,  G02C13/00 ,  A61B3/14 ,  A61B3/113

CPC classification number: G02C13/005 ,  A61B3/113 ,  A61B3/14

Abstract: Disclosed is a method of determining at least one visual behavior parameter of an individual, including: determination of the position of the center of rotation of at least one eye of the individual in a first reference frame tied to the head of the individual; capture, with the aid of an image capture device, of at least one image of at least one part of the body of the individual in a second reference frame, determination of the position and the orientation, in the second reference frame, of the first reference frame tied to the head of the individual, by searching for the position, in the second reference frame of a distinctive zone of the part of the body of the individual; determination of the position of the center of rotation of the eye in the second reference frame; and determination of the sought-after visual behavior parameter.

公开(公告)号：US20150146168A1

公开(公告)日：2015-05-28

申请号：US14411522

申请日：2013-07-04

Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

Inventor： Fabien Divo ,  Guilhem Escalier

IPC: A61B3/18 ,  G02C13/00 ,  A61B3/00 ,  A61B3/103 ,  A61B3/14

CPC classification number: A61B3/18 ,  A61B3/0008 ,  A61B3/0025 ,  A61B3/0091 ,  A61B3/028 ,  A61B3/103 ,  A61B3/113 ,  A61B3/14 ,  G02B27/10 ,  G02C13/003 ,  G02C13/005

Abstract: Disclosed is a device for measuring ocular refraction and a geometric-morphological parameter of an individual, including: a gaze-stimulating target placed so as to stimulate the gaze of the individual in a posture associated with a proximity value and a sight axis; an illuminating system able to generate at least one illuminating beam in the direction of the eyes of the individual; an image-capturing system; and a computer able to receive at least one first image captured by the image-capturing system. According to the invention, the image-capturing system is able to acquire an image of part of the face surrounding the eyes of the individual, and the computer is able to extract, from the acquired image, a first measurement of a glazing parameter and a first measurement of objective ocular refraction by refraction of the illuminating beam on the eyes of the individual in the given posture.

Abstract translation: 公开了一种用于测量个体的眼睛折射和几何形态参数的装置，包括：注视刺激对象，其被设置为以与接近值和视轴相关联的姿势刺激个体的凝视; 照明系统，其能够在个体的眼睛的方向上产生至少一个照明光束; 图像捕获系统; 以及能够接收由图像捕获系统捕获的至少一个第一图像的计算机。 根据本发明，图像拍摄系统能够获取围绕个人眼睛的部分脸部的图像，并且计算机能够从获取的图像中提取玻璃窗参数的第一测量和 首先通过在给定姿势下将个体的眼睛上的照明光束折射来进行客观的眼屈光度测量。

公开(公告)号：US10690938B2

公开(公告)日：2020-06-23

申请号：US15767814

申请日：2016-10-11

Applicant: Essilor International

Inventor： Benjamin Rousseau ,  Melanie Heslouis ,  Sebastien Fricker ,  Nacer Lakhchaf ,  Guilhem Escalier ,  Thierry Bonnin ,  Isabelle Poulain ,  Valerie Jolivet ,  Juliette Wierzbicki

IPC: G02C7/02 ,  G02C7/06 ,  A61F2/14 ,  G02C7/04

Abstract: An ophthalmic progressive addition lens for a myopic or emmetropic presbyopic wearer which has a prescribed far vision mean refractive power and a non nil prescribed addition, ADDp, the lens having a far vision reference point, a mean refractive power, PPO(α, β), a module of resulting astigmatism, ASR(α, β), a meridian line, ML(α, β), the (α, β) functions being determined in as-worn conditions of the lens by the wearer for gaze directions (α, β) joining the center of rotation of the eye, CRE, and the lens, wherein α is a lowering angle in degree and β is an azimuth angle in degree, and wherein a lens criterion, A1/A2, fulfils: A1/A2≥0.50, wherein: A1=α100%−α85%; A2=α100%−α60%.

公开(公告)号：US10306119B2

公开(公告)日：2019-05-28

申请号：US15321478

申请日：2015-06-23

Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

Inventor： David C Tang ,  Guilhem Escalier ,  Stephane Boutinon ,  Michel Nauche ,  Leonard Hartmann

IPC: H04N5/225 ,  G01M11/02 ,  G02C13/00 ,  B24B13/005

Abstract: Disclosed is a centering-blocking apparatus (1) including: a frame (10); an ophthalmic lens holder (20); a blocking unit (30) suitable for receiving a blocking accessory (200) with a view to depositing it on the ophthalmic lens; and a centering unit (40) suitable for revealing a reference system of the ophthalmic lens. According to an embodiment, the blocking unit is fixedly mounted on the frame whereas the holder is movably mounted on the frame.

公开(公告)号：US09585552B2

公开(公告)日：2017-03-07

申请号：US14411933

申请日：2013-07-04

Applicant: ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE)

Inventor： Konogan Baranton ,  Benjamin Rousseau ,  Fabien Divo ,  Guilhem Escalier

IPC: A61B3/00 ,  A61B3/09 ,  A61B3/08 ,  A61B3/103 ,  G02C13/00

CPC classification number: A61B3/0091 ,  A61B3/00 ,  A61B3/08 ,  A61B3/085 ,  A61B3/09 ,  A61B3/103 ,  G02C13/005

Abstract: A device for measuring the objective ocular refraction of a patient for a plurality of visual ranges, which includes a variable proximity optical sight system capable of selectively generating a first target and a second target and an image-capturing device having an optical measurement axis intended for being aligned with a line of sight of the patient, the image-capturing device being capable of capturing a first ocular refraction image when the first target is activated and a second ocular refraction image when the second target is activated. The image-capturing device and the optical sight system are arranged such that the optical measurement axis and the optical sight axis are arranged such that the optical measurement axis and the optical sight axis are contained in a single plane and the optical measurement axis is tilted at an angle alpha between +5 degrees and +85 degrees relative to the horizontal.

Abstract translation: 一种用于测量多个视觉范围的患者的目标眼睛折射的装置，其包括能够选择性地生成第一目标和第二目标的可变近距离光学瞄准系统和具有旨在用于 与患者的视线对准，所述图像捕获装置能够在第一目标被激活时捕获第一眼睛折射图像，并且当第二目标被激活时能够拍摄第二眼睛折射图像。 图像拍摄装置和光学瞄准系统被布置成使得光学测量轴和光学瞄准轴被布置成使得光学测量轴和光学视轴被包含在单个平面中，并且光学测量轴线被倾斜 相对于水平线在+5度和+85度之间的角度α。

公开(公告)号：US12096984B2

公开(公告)日：2024-09-24

申请号：US17416931

申请日：2019-12-19

Applicant: ESSILOR INTERNATIONAL

Inventor： Guilhem Escalier ,  Konogan Baranton

IPC: A61B3/103 ,  A61B3/00 ,  A61B3/14

CPC classification number: A61B3/103 ,  A61B3/0008 ,  A61B3/14

Abstract: Disclosed is a method including the steps of: a) illuminating a pupil of the eye of a subject by a light source; b) acquiring at least one picture of the pupil including an image of the reflection of the light source on the retina of the eye, by means of an image-capture apparatus; and c) and determining a refraction feature of the eye from at least a geometrical feature, a positional feature, or an intensity distribution of the image of the reflection of the light source. Optical distances between the pupil and, respectively, the light source and the image-capture apparatus, are different. An associated device is also described.

公开(公告)号：US12013594B2

公开(公告)日：2024-06-18

申请号：US16313376

申请日：2017-06-30

Applicant: Essilor International

Inventor： Guilhem Escalier ,  Pascal Allione

IPC: G02C13/00 ,  G01M11/08 ,  G06F16/23

CPC classification number: G02C13/005 ,  G01M11/08 ,  G06F16/2365

Abstract: Disclosed is a method for detecting a probable error in a set of data relative to a wearer and/or to a frame chosen by the wearer, at least one of these data being used for ordering an ophthalmic lens to be fitted into the frame for the wearer, the set of data including at least a value of a first parameter and a value of a second parameter different from the first parameter, the first and second parameters being relative to the wearer and/or a frame chosen by the wearer, the method including: a) determining a level of consistency of the values of the first and second parameter with each other, based on a predetermined statistical consistency rule linking the first and second parameters; and b) emitting, based on this level of consistency, an alert signal in order to report a probable error.

公开(公告)号：US10712590B2

公开(公告)日：2020-07-14

申请号：US15768079

申请日：2016-10-11

Applicant: Essilor International

Inventor： Benjamin Rousseau ,  Melanie Heslouis ,  Sebastien Fricker ,  Nacer Lakhchaf ,  Guilhem Escalier ,  Thierry Bonnin ,  Isabelle Poulain ,  Valerie Jolivet ,  Juliette Wierzbicki

IPC: G02C7/06 ,  G02C7/02

Abstract: An ophthalmic progressive addition lens for a presbyopic wearer which has a prescribed far vision mean refractive power a non nil prescribed addition, ADDp, the lens having a far vision reference point, a mean refractive power, PPO(α, β), a module of resulting astigmatism, ASR(α, β), a meridian line, ML(α, β), the (α, β) functions being determined in as-worn conditions of the lens by the wearer for gaze directions (α, β) joining the center of rotation of the eye, CRE, and the lens, wherein α is a lowering angle in degree and β is an azimuth angle in degree, and wherein α lens criterion, CRIT, fulfils following requirement: 0.38≤CRIT≤4.50, where: CRIT=NumeratorCRIT/DenominatorCRIT, NumeratorCRIT=(A1/A2)+(PPO(αFV, βFV)/(100·ADDp)); A1=α100%−α85%; A2=α100%−α60%; DenominatorCRIT=[(PeaksMean/ADDp)+(PPO(αFV,βFV)/(8·ADDp))]3.

公开(公告)号：US10548473B2

公开(公告)日：2020-02-04

申请号：US15570230

申请日：2015-06-23

Applicant: Essilor International

Inventor： Guilhem Escalier ,  Gildas Marin

IPC: A61B3/02 ,  A61B3/036 ,  A61B3/032 ,  G02B27/22 ,  H04N13/305

Abstract: Disclosed is an optometry measuring scale and method for determining a visual refraction value of an individual. According to the invention, the optometry measuring scale comprises a plurality of processed optotypes associated with a plurality of visual refraction corrections, wherein each processed optotype results from applying to a source optotype a determined image processing associated with a defined visual refraction correction, and an identification system for determining each defined visual refraction correction associated with each processed optotype.