JPWO2020249643A5

JPWO2020249643A5 -

Info

Publication number: JPWO2020249643A5
Application number: JP2021573280A
Authority: JP
Publication date: 2023-03-08

Description

次いで、パントスコピック傾斜および頂点は、正確な位置から直接決定することができる。
他の実施形態
１．所定のフレームおよび所定の着用者についての眼科パラメータを決定するための方法であって、
ａ）前記所定の着用者が、前記所定のフレームを装着する工程；
ｂ）前記着用者の顔面上に光放射のパターンを投影することができる第１の投影手段、光放射の前記パターンを記録することができる第１のカメラ、前記着用者の顔の深度マップを生成するために前記パターンの画像を処理することができる処理装置、前記第１のカメラによって記録された画像を表示することができるスクリーン、および、前記着用者の瞳孔を照射することができる光源、を備えるモバイル装置を提供する工程；
ｃ）前記光源が前記着用者の瞳孔を照射している間に、前記着用者の顔の深度マップおよび前記着用者の顔の画像を同時に記録する工程；
ｄ）前記着用者の瞳孔の位置を自動的に決定する工程；
ｅ）前記着用者の瞳孔の位置を３Ｄ深度マップ内のそれぞれの座標に関連付ける工程；
ｆ）前記着用者の瞳孔のそれぞれの座標から前記眼科パラメータを決定する工程
を含む、方法。
２．工程ｄ）で得られた前記瞳孔の位置が、前記着用者の顔の前記記録された画像と共にスクリーン上に表示され、前記位置を補正することができる工程をさらに含むことを特徴とする、実施形態１に記載の方法。
３．前記フレームの位置が、前記着用者の顔の記録された画像から計算され、前記位置が３Ｄ深度マップにおけるそれぞれの座標に関連付けられる工程をさらに含むことを特徴とする、実施形態１に記載の方法。
４．前記フレームの位置が、前記着用者の顔の前記記録された画像と共にスクリーン上に表示され、前記位置を補正することができる工程をさらに含むことを特徴とする、実施形態１に記載の方法。
５．前記光学パラメータが、遠方視瞳孔間距離、近方視瞳孔間距離、頂点、パントスコピック傾斜、フレームラップ、近方視フィッティング高さおよび遠方視フィッティング高さを含む群から選択されることを特徴とする、実施形態１に記載の方法。
６．前記着用者が、腕の長さおよび眼の高さで前記モバイル装置を保持していることを特徴とする、実施形態１に記載の方法。
７．前記着用者が、読書距離で前記モバイル装置を保持していることを特徴とする、実施形態１に記載の方法。
８．工程ｃ）の前に、前記第１の投影手段によって前記着用者の顔を光放射のパターンで照射し前記パターンを含む第２の画像を記録することによって得られる深度マップから前記着用者の注視方向を決定することを含む工程をさらに含むことを特徴とする、実施形態１に記載の方法。
９．工程ｃ）の前に、前記第１の投影手段によって前記着用者の顔を光放射のパターンで照射し前記パターンを含む第２の画像を記録することによって得られる深度マップから前記着用者の頭部傾斜を決定することを含む工程をさらに含むことを含む工程をさらに含むことを特徴とする、実施形態１に記載の方法。
１０．前記スクリーンが、工程ｃ）の間に焦点を表示することを特徴とする、実施形態１に記載の方法。
１１．前記焦点が、赤色の円であることを特徴とする、実施形態１～１０のいずれかに記載の方法。
１２．前記焦点が、前記カメラに近いことを特徴とする、実施形態１０に記載の方法。
１３．前記焦点が、前記カメラの右、左、上または下にシフトされることを特徴とする、実施形態１０に記載の方法。
１４．前記スクリーンが、工程ｃ）の間に横断線を表示することを特徴とする、実施形態１に記載の方法。
１５．前記光源が、工程ｃ）の間に前記スクリーン上に白色の形態を表示することによって得られることを特徴とする、実施形態１に記載の方法。
１６．前記スクリーンが、前記カメラによって記録された画像を表示することを特徴とする、実施形態１に記載の方法。
１７．装置、好ましくはモバイル装置であって、
フレームを着用している個人の顔面上に光放射のパターンを投影することができる第１の投影手段、光放射の前記パターンを記録することができる第１のカメラ、前記個人の顔の深度マップを生成するために前記パターンの画像を処理することができる処理装置、前記第１のカメラによって記録された画像を表示することができるスクリーン、前記着用者の瞳孔を照射することができる光源
を備え、
前記モバイル装置はさらに、実施形態１に記載の方法を実施することができるソフトウェアを含むことを特徴とする、装置。 The pantoscopic tilt and apex can then be determined directly from the precise position.
Other embodiment
1. A method for determining ophthalmic parameters for a given frame and a given wearer comprising:
a) wearing said predetermined frame by said predetermined wearer;
b) a first projection means capable of projecting a pattern of light radiation onto said wearer's face, a first camera capable of recording said pattern of light radiation, a depth map of said wearer's face; a processing device capable of processing the image of the pattern to produce a screen capable of displaying the image recorded by the first camera and a light source capable of illuminating the pupil of the wearer; providing a mobile device comprising;
c) simultaneously recording a depth map of the wearer's face and an image of the wearer's face while the light source is illuminating the pupils of the wearer;
d) automatically determining the position of the wearer's pupil;
e) associating the positions of the wearer's pupils with respective coordinates in a 3D depth map;
f) determining said ophthalmic parameters from the coordinates of each of said wearer's pupils;
A method, including
2. An implementation characterized in that it further comprises a step in which the position of the pupil obtained in step d) is displayed on a screen together with the recorded image of the wearer's face so that the position can be corrected. A method according to aspect 1.
3. 2. The method of embodiment 1, further comprising calculating positions of the frames from recorded images of the wearer's face, and associating the positions with respective coordinates in a 3D depth map. .
4. 2. The method of embodiment 1, further comprising displaying the position of the frame on a screen along with the recorded image of the wearer's face so that the position can be corrected.
5. wherein said optical parameter is selected from the group comprising far vision interpupillary distance, near vision interpupillary distance, vertex, pantoscopic tilt, frame wrap, near vision fitting height and far vision fitting height. 2. The method of embodiment 1 .
6. 2. The method of embodiment 1, wherein the wearer holds the mobile device at arm's length and eye level.
7. 2. The method of embodiment 1, wherein the wearer holds the mobile device at a reading distance.
8. Before step c), the wearer's gaze from a depth map obtained by illuminating the wearer's face with a pattern of light radiation by the first projection means and recording a second image containing the pattern. 2. The method of embodiment 1, further comprising the step of determining orientation.
9. before step c), from a depth map obtained by illuminating the wearer's face with a pattern of light radiation by the first projection means and recording a second image containing the pattern; 2. The method of embodiment 1, further comprising the step of determining a slope.
10. 2. The method of embodiment 1, wherein the screen displays focus during step c).
11. 11. The method of any of embodiments 1-10, wherein the focal point is a red circle.
12. 11. The method of embodiment 10, wherein the focal point is near the camera.
13. 11. The method of embodiment 10, wherein the focus is shifted to the right, left, up or down of the camera.
14. 2. The method of embodiment 1, wherein the screen displays transverse lines during step c).
15. 2. A method according to embodiment 1, characterized in that said light source is obtained by displaying a white form on said screen during step c).
16. 2. The method of embodiment 1, wherein the screen displays images recorded by the camera.
17. A device, preferably a mobile device,
A first projection means capable of projecting a pattern of light radiation onto the face of an individual wearing the frame, a first camera capable of recording said pattern of light radiation, a depth map of said individual's face. a screen capable of displaying the image recorded by the first camera; a light source capable of illuminating the pupil of the wearer.
with
An apparatus, wherein the mobile apparatus further comprises software capable of implementing the method of embodiment 1.

Claims

A method for determining ophthalmic parameters for a given frame and a given wearer comprising:
a) wearing said predetermined frame by said predetermined wearer;
b) a first projection means capable of projecting a pattern of light radiation onto said wearer's face, a first camera capable of recording said pattern of light radiation, a depth map of said wearer's face; a processing device capable of processing the image of the pattern to produce a screen capable of displaying the image recorded by the first camera and a light source capable of illuminating the pupil of the wearer; providing a mobile device comprising;
c) simultaneously recording a depth map of the wearer's face and an image of the wearer's face while the light source is illuminating the pupils of the wearer;
d) automatically determining the position of the wearer's pupil;
e) associating the positions of the wearer's pupils with respective coordinates in a 3D depth map;
f) determining said ophthalmic parameters from the coordinates of each of said wearer's pupils.

Claim characterized in that it further comprises a step in which the pupil position obtained in step d) is displayed on a screen together with the recorded image of the wearer's face so that the position can be corrected. Item 1. The method according to item 1.

2. A method according to claim 1, further comprising the step of calculating positions of said frames from recorded images of said wearer's face, and associating said positions with respective coordinates in a 3D depth map. .

2. The method of claim 1, further comprising the step of displaying the position of the frame on a screen together with the recorded image of the wearer's face so that the position can be corrected.

wherein said optical parameter is selected from the group comprising far vision interpupillary distance, near vision interpupillary distance, vertex, pantoscopic tilt, frame wrap, near vision fitting height and far vision fitting height. 2. The method of claim 1, wherein

2. The method of claim 1, wherein the wearer holds the mobile device at arm's length and eye level.

2. The method of Claim 1, wherein the wearer holds the mobile device at a reading distance.

Before step c), the wearer's gaze from a depth map obtained by illuminating the wearer's face with a pattern of light radiation by the first projection means and recording a second image containing the pattern. 2. The method of claim 1, further comprising the step of determining orientation.

before step c), from a depth map obtained by illuminating the wearer's face with a pattern of light radiation by the first projection means and recording a second image containing the pattern; 2. The method of claim 1, further comprising the step of further comprising determining a slope.

2. The method of claim 1, wherein the screen displays focus during step c).

A method according to any one of claims 1 to 10, characterized in that said focus is a red circle.

11. The method of claim 10, wherein said focal point is near said camera.

11. Method according to claim 10, characterized in that the focus is shifted to the right, left, up or down of the camera.

2. The method of claim 1, wherein the screen displays transverse lines during step c).

2. A method according to claim 1, characterized in that said light source is obtained by displaying a white form on said screen during step c).

2. The method of claim 1, wherein said screen displays images recorded by said camera.

a mobile device,
A first projection means capable of projecting a pattern of light radiation onto the face of an individual wearing the frame, a first camera capable of recording said pattern of light radiation, a depth map of said individual's face. a screen capable of displaying the image recorded by the first camera; a light source capable of illuminating the pupil of the wearer. ,
A mobile device, further comprising software capable of implementing the method of claim 1.