JPWO2018055618A5 - - Google Patents
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- 230000015556 catabolic process Effects 0.000 claims description 10
- 230000004059 degradation Effects 0.000 claims description 10
- 238000006731 degradation reaction Methods 0.000 claims description 10
- 230000000007 visual effect Effects 0.000 claims description 6
- 208000004350 Strabismus Diseases 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims 12
- 230000000295 complement Effects 0.000 claims 1
- 230000004936 stimulating Effects 0.000 claims 1
- 230000000638 stimulation Effects 0.000 claims 1
- 210000004556 Brain Anatomy 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 201000009487 amblyopia Diseases 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 210000001747 Pupil Anatomy 0.000 description 2
- 230000001419 dependent Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 210000003128 Head Anatomy 0.000 description 1
- 241001059682 Stereopsis Species 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004424 eye movement Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Description
1.患者の両眼に同時適用される、別個で互いに無関係な2つの処理方法を使用し、視覚関係の疾病を測定及び/又は治療するための装置。
例えば、患者の各々に提示される画像には、以下の異なった処理を行う。
a.弱視でない眼の場合、当該処理は画像劣化の制御型測定子を有する領域を含み、患者に他眼、即ち弱い方の眼に多く依存させる。更にまた、劣化領域の位置は、弱視でない眼の視線の測定方向に対し画面上で移動させる。
b.弱視の眼の場合、当該処理は、画像を変更して同一の実在の3次元視差、即ち、できるだけ同様の画像を2つの眼に提示し、脳内の画像を組み合わせることを可能にすることを含む。
1. Apparatus for measuring and/or treating vision-related ailments using two separate and unrelated processing methods applied simultaneously to both eyes of a patient.
For example, the images presented to each of the patients undergo the following different processing.
a. For the non-amblyopic eye, the process includes regions with image degradation controlled probes, making the patient more dependent on the other eye, the weaker eye. Furthermore, the position of the degraded region is moved on the screen with respect to the measurement direction of the line of sight of the non-amblyopic eye.
b. In the case of amblyopic eyes, the process modifies the images to present the same real 3D parallax , i.e. as similar images as possible, to the two eyes, allowing the images in the brain to be combined. include.
(弱視の治療)
・両眼用画像(各々の眼に異なった画像)を映画、ゲーム、アニメーションなどの形態で固定式又は移動式に付与しているため、脳内の斜視処理を行える。この2つの画像は同一であっても、実際の奥行感覚を付与して斜視処理の更なる改善を行うことで斜視の補償を行うための表示特性を有するものであってもよい。
・斜位弱視(克服が困難な類の弱視)の場合、ここで示唆される装置は、眼視方向が異なるに伴って斜位角度が変化する場合でも、瞳孔上の溶融画像が両眼とも鮮明になることを可能にする唯一の解決策となる。この補償は、生身の眼の追跡データに基づく実時間の画像視差補償によって実現される。
・画像の性質は、弱視の眼を好適に使用するよう試行する一方、他眼を(低画質の画像又は部分画像を以って)刺激するような態様においては異なるため、弱視の眼から受け入れた視覚情報の場合には関連する脳の回路の運動となり、脳の視覚中心窩における斜視処理を行える。
・各々の眼に異なったサイズの画像を付与して非対称性弱視を治療するための固有の機能。
・単一又は複数のアイトラッカー(先行技術)により、捻じれ偏倚を含めた非対称の眼の動きの状態全てについての瞬間的な眼視方向に従って、2つの眼の中心窩領域に対する2つの画像の一貫性投影を保証する。
・可搬性ゴーグルの場合、「能動的な」治療を可能にする1つ又は2つの映像カメラによって画像が付与可能である。
・近位領域及び遠位領域で視力を訓練する機能。
・アイトラッキングフィードバックを使用した進捗状況モニタリング及び査定の自動化。
(Treatment of amblyopia)
・Because images for both eyes (different images for each eye) are provided in the form of movies, games, animations, etc., in a fixed or mobile manner, strabismus processing in the brain can be performed. The two images may be identical or may have display properties to compensate for strabismus by imparting a real depth sensation and further improving strabismus processing.
In the case of oblique amblyopia (a class of amblyopia that is difficult to overcome), the device suggested here will allow the fused image on the pupil to be visible to both eyes, even if the oblique angle changes with different viewing directions. It's the only solution that makes it possible to be sharp. This compensation is achieved by real-time image parallax compensation based on live eye tracking data.
Acceptable from amblyopic eyes because the nature of the image differs in ways that stimulate the other eye (with low-quality images or partial images) while attempting to favor the amblyopic eye. In the case of visual information, it becomes a movement of the relevant brain circuits, and strabismus processing can be performed in the visual fovea of the brain.
• A unique ability to treat asymmetric amblyopia by presenting different sized images to each eye.
- With a single or multiple eye trackers (prior art), two images for the foveal region of the two eyes according to the instantaneous eye viewing direction for all asymmetric eye movement conditions, including torsional deviation. Ensures consistent projection.
• In the case of portable goggles, images can be delivered by one or two video cameras that allow "active" treatment.
• Ability to train vision in the proximal and distal regions.
• Automated progress monitoring and assessment using eye-tracking feedback.
(各々の眼に対し別々の処理方法を使用して1つ以上の視界に関係する疾病の測定及び治療を同時に行うための装置)
例えば、患者の2つの眼の各々に提示される画像には、以下の異なった処理が実施される。
a.弱視でない眼の場合、当該処理は画像劣化の制御型計測器を有する領域を含み、患者に他眼、即ち弱い方の眼に多く依存させる。更にまた、劣化領域の位置は、弱視でない眼の視線の測定方向に応じて画面上で移動させる。
b.弱視の眼の場合、当該処理は、画像を変更して同一の実在の3次元視差、即ち2つの眼に対し同様の想定画像を提示し、脳内の画像を組み合わせることを可能にすることを含む。処理としては、垂直及び/又は水平方向への画像の移動、画像の倍率の変更(ズームイン又はズームアウト)、及び/又は画像の回転を含む。この処理は、弱視の眼の視線の測定方向に対応している。即ち、視線が垂直及び/又は水平方向に移動するに伴い、画面上に提示される画像も移動する。
Apparatus for Simultaneously Measuring and Treating One or More Vision-Related Diseases Using Separate Processing Methods for Each Eye
For example, images presented to each of the patient's two eyes undergo the following different processing.
a. For non-amblyopic eyes, the process includes areas with controlled instrumentation of image degradation, making the patient more dependent on the other eye, the weaker eye. Furthermore, the position of the degraded region is moved on the screen according to the measurement direction of the line of sight of the eye without amblyopia.
b. For amblyopic eyes, the process modifies the images to present the same real three-dimensional parallax , ie similar hypothetical images for the two eyes, allowing the images in the brain to be combined. include. Processing may include moving the image vertically and/or horizontally, changing the magnification of the image (zooming in or out), and/or rotating the image. This processing corresponds to the measurement direction of the line of sight of the amblyopic eye. That is, as the line of sight moves vertically and/or horizontally, the image presented on the screen also moves.
(立体視奥行の検査)
立体視は、2つの眼から派生する視覚情報に基づき得られる奥行知覚及び3次元構造の処理である。人の両眼は頭上部の異なった横方向の位置にあるため、両眼視界は、結果的に両眼の瞳孔に投影される2つの僅かに異なった画像を生成する。この差は、主に2つの画像において異なった対象の相対的な水平位置にある。これら位置の差は、水平視差とも呼ばれる。これらの視差は、奥行知覚を出力するため脳の視覚中心窩において処理される。
(Inspection of stereoscopic depth)
Stereopsis is the processing of depth perception and three-dimensional structure obtained based on visual information derived from two eyes. Since a person's eyes are at different lateral positions on the top of the head, binocular vision results in two slightly different images projected onto the pupils of both eyes. This difference is mainly in the relative horizontal position of different objects in the two images. These positional differences are also called horizontal parallax . These parallaxes are processed in the visual fovea of the brain to output depth perception.
両眼視差は、両眼で実在の3次元映像を見ている場合の差異において自然に存在するが、各々の眼に別々に2つの異なった画像を人工的に提示することによってもシミュレーション可能である。このような場合における奥行知覚は、「立体視奥行」とも呼ばれる。
Binocular parallax naturally exists in the difference when viewing a real 3D image with both eyes, but it can also be simulated by artificially presenting two different images separately to each eye. be. The depth perception in such cases is also called "stereoscopic depth".
人は、両眼視覚の水平視差効果によるだけでなく、関連対象サイズ、関連動作などの単眼用の読影糸口によっても3D印象を知覚する。当方の自動検査は幾つかの方法で実施される。以下、一例について詳述する。
Humans perceive 3D impressions not only by the horizontal parallax effect of binocular vision, but also by monocular reading cues such as relevant object size, relevant movement, and so on. Our automated inspection is implemented in several ways. An example will be described in detail below.
(先行技術の方法)
ここに示される検査は単眼用の読影糸口を有さないため、両眼視差、並びに視覚中心窩において実施される立体視処理から生ずる信頼性の高い立体視力査定を行う。この検査は、ランダムドット立体視画像(RDS)に基づく。図29参照。この技法は、通常、人の立体奥行のレベルを査定するのに使用される。また、直交方向に分極された2つの画像を有するため、2つの直交方向に分極されたフィルターを有するアイグラスを着用した人は、適切な眼で各画像を見られる。
(Prior Art Method)
Since the test presented here does not have monocular reading cues, it provides a reliable stereoscopic acuity assessment resulting from binocular parallax as well as stereoscopic processing performed at the visual fovea. This test is based on random dot stereoscopic images (RDS). See FIG. This technique is commonly used to assess a person's level of stereoscopic depth. Also, having two orthogonally polarized images, a person wearing eyeglasses with two orthogonally polarized filters can view each image with the appropriate eye.
これら2画像の一部は、両眼によって別々に確認される場合、表示レベルの手前又は背後に対象が現れた状態で奥行知覚を生成するような態様で所望の空間相違を生み出すように水平方向に移動する。正常な奥行知覚を有する人によって知覚された視覚の一例(図30)を参照。この移動領域により奥行感覚を付与するのに必要な両眼視差を生成する。移動の違いは奥行の違いに対応する。
Portions of these two images, when viewed separately by both eyes, are oriented horizontally to produce the desired spatial difference in a manner that produces a depth perception with objects appearing in front of or behind the display level. move to See an example of vision perceived by a person with normal depth perception (Fig. 30). This moving region creates the binocular parallax needed to provide depth perception. Differences in movement correspond to differences in depth.
画像内での関連部分の視差は、現在の手順で使用される標準値、例えば4,800~12.5秒の弧の速度に従って変わる可能性がある。被検者によって3D画像として見られるように認識された視差が低いほど、その被検者の立体視力は良くなる。
The parallax of the relevant part in the image can vary according to the standard values used in the current procedure, eg arc speed of 4,800-12.5 seconds. The lower the parallax perceived by a subject to be viewed as a 3D image, the better that subject's stereoscopic vision.
患者が対象を適切に追跡するに伴い、対象画像の水平方向の視差は、アイトラッカーによってこれ以上追跡対象がないと判定されるまで、最高視差からより低い視差まで徐々に変化する。患者が奥行知覚を有さなければ対象を追跡できない。
As the patient successfully tracks the object, the horizontal disparity of the object image gradually changes from the highest disparity to lower disparities until the eye tracker determines that there are no more objects to be tracked. Objects cannot be tracked unless the patient has depth perception.
(ステップ1)
(初期化段階において)高い視差を有するRDS対象を表示し、それを画面上に移動させる(831)。
(Step 1)
Display the RDS object with high parallax (at the initialization stage) and move it onto the screen (831).
(ステップ4)
対象視差パラメータが減少し、ステップ1に戻る(834)。
(Step 4)
Decrease the target parallax parameter and return to step 1 (834).
(ステップ5)
プロセッサにより、追跡された最後の対象視差、並びにその最後の視差を関連立体視力に関連付ける標準的な既存の表に基づき、立体視力を計算する(835)。
(Step 5)
A processor calculates 835 stereo acuity based on the last object disparity tracked and a standard pre-existing table relating that last disparity to the associated stereo acuity.
Claims (14)
2つの別々な処理方法を患者の両眼に提示される画像にそれぞれ同時に適用するための電子手段であって、該電子手段は、画像生成手段と、デジタル画像処理手段と、前記患者の両眼の視線の方向を測定するためのアイトラッカー手段と、前記患者の両眼に画像を提示する表示手段と、を備え、
前記2つの別々な処理方法は、
弱視でない眼に提示される画像に適用される第1の処理方法と、
弱視の眼に提示される画像に適用される第2の処理方法と、を備え、
前記第1の処理方法は、劣化領域の位置が、前記弱視でない眼の視線の前記測定方向に応じて移動する、制御された画像劣化を有する領域を生成し、
前記第2の処理方法は、前記弱視の眼の視線の測定方向に応じたものであり、これは、両眼の視線の測定方向の間に偏差がある時、生身の眼の追跡データに基づく実時間(リアルタイム)の画像視差補償のような前記画像の垂直方向及び又は水平方向の移動を含み、弱視の眼の視線が垂直方向及び又は水平方向に移動する時に前記表示手段に表された画像も同様に移動するようになっており、それにより、各々の眼が注視する方向において、中心窩領域に刺激中心が何ら残っていないことを保証する、装置。 In a device for screening, treating, monitoring and/or assessing visual deterioration,
Electronic means for simultaneously applying two separate processing methods respectively to images presented to both eyes of a patient, said electronic means comprising image generation means, digital image processing means and both eyes of said patient. eye tracker means for measuring the direction of gaze of the patient; and display means for presenting images to both eyes of the patient;
The two separate processing methods are:
a first processing method applied to an image presented to a non-amblyopic eye;
a second processing method applied to the image presented to the amblyopic eye;
The first processing method generates a region with controlled image degradation in which the position of the degraded region moves according to the measured direction of the line of sight of the non-amblyopic eye;
The second processing method is according to the measured direction of the line of sight of the amblyopic eye, which is based on live eye tracking data when there is a deviation between the measured directions of the line of sight of both eyes. including vertical and/or horizontal movement of the image, such as real-time image parallax compensation , the image presented on the display means as the line of sight of the amblyopic eye moves vertically and/or horizontally. is adapted to move as well, thereby ensuring that there are no remaining stimulation centers in the foveal region in the direction each eye gazes.
2. The apparatus of claim 1, wherein the first processing method and the second processing method are such that only the image presented to the amblyopic eye includes moving objects.
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2017
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- 2017-09-24 CN CN201780069048.XA patent/CN110381810B/en active Active
- 2017-09-24 JP JP2019515840A patent/JP2020509790A/en active Pending
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2021
- 2021-06-02 US US17/336,354 patent/US11678795B2/en active Active
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- 2022-09-08 US US17/940,477 patent/US20230000345A1/en active Pending
- 2022-11-21 JP JP2022186018A patent/JP2023022142A/en active Pending
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