JPWO2020084447A5 - - Google Patents

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JPWO2020084447A5
JPWO2020084447A5 JP2021546055A JP2021546055A JPWO2020084447A5 JP WO2020084447 A5 JPWO2020084447 A5 JP WO2020084447A5 JP 2021546055 A JP2021546055 A JP 2021546055A JP 2021546055 A JP2021546055 A JP 2021546055A JP WO2020084447 A5 JPWO2020084447 A5 JP WO2020084447A5
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一つまたは複数のデジタルプロセッサによって自動的に実装され、ライトフィールド成形要素（ＬＦＳＥ）配列を有するデジタルディスプレイの画素の集合を介して前記デジタルディスプレイ上にレンダリングされる入力画像のユーザ知覚を自動的に調整する、コンピュータ実装方法であって、前記方法は、
指定された画像知覚調整をユーザに提供するように指定された調整画像平面上に前記入力画像をデジタルマッピングし、
前記画素の少なくとも一部の所与の画素のそれぞれについて、デジタル的に、
前記所与の画素及びユーザ瞳孔位置間のベクトルを計算し、
前記ベクトルと交わる所与のＬＦＳＥに基づいて、前記所与の画素によって発せられるライトフィールドの方向を近似し、
前記方向を与えられた所与の調整画像位置で前記調整画像平面と交わるように前記所与の画素及び前記所与のＬＦＳＥ間の調整画像光線追跡を投影し、
前記マッピングに基づいて、前記所与の調整画像位置について指定された調整画像画素値を前記所与の画素に関連付け、
前記所与の画素のそれぞれを、前記調整画像画素値に従ってレンダリングし、それによって知覚的に調整されたバージョンの前記入力画像をレンダリングする、コンピュータ実装方法。 automatically implemented by one or more digital processors to automatically user perception of an input image rendered on a digital display via a set of pixels of the digital display having a light field shaping element (LFSE) array; A computer-implemented method of adjusting, said method comprising:
digitally mapping the input image onto a designated adjusted image plane to provide a user with a specified image perceptual adjustment;
for each given pixel of at least a portion of said pixels, digitally:
calculating a vector between the given pixel and a user pupil position;
approximating the direction of the light field emitted by the given pixel based on a given LFSE that intersects the vector;
projecting an adjusted image ray trace between the given pixel and the given LFSE to intersect the adjusted image plane at a given adjusted image position given the direction;
Associating a specified adjusted image pixel value for the given adjusted image location with the given pixel based on the mapping;
A computer-implemented method of rendering each of said given pixels according to said adjusted image pixel value, thereby rendering a perceptually adjusted version of said input image. 前記調整画像平面は、前記ユーザ瞳孔位置から指定された距離でデジタルディスプレイに対して仮想的に配置された仮想イメージ平面であり、
前記調整画像光線追跡は、前記仮想イメージ平面と交わる前記所与の画素及び前記所与のＬＦＳＥ間の仮想イメージベクトルを含む、請求項１に記載の方法。 the adjusted image plane is a virtual image plane virtually positioned relative to the digital display at a specified distance from the user pupil position;
2. The method of claim 1, wherein the adjusted image ray trace includes a virtual image vector between the given pixel and the given LFSE that intersects the virtual image plane. 前記調整画像平面を、ユーザ網膜面として指定し、
前記調整画像光線追跡は、入力されたユーザアイフォーカス収差パラメータに従って前記瞳孔位置が与えられた前記調整画像光線追跡を方向変更することによって前記ユーザ網膜面と交わるように投影する、請求項１に記載の方法。 designating the adjusted image plane as the user retinal plane;
2. The adjusted image ray trace of claim 1, wherein the adjusted image ray trace projects to intersect the user's retinal plane by redirecting the adjusted image ray trace given the pupil position according to an input user eye focus aberration parameter. the method of. 前記方法は、さらに、前記調整画像光線追跡が入力されたユーザ瞳孔位置に関連付けられた入力瞳孔領域と交わることを確認することを含む、請求項１に記載の方法。 2. The method of claim 1, further comprising verifying that the adjusted image raytrace intersects an input pupil region associated with an input user pupil position. 前記所与の画素のそれぞれは副画素の集合を含み、前記計算、識別、及び投影の少なくとも一部を、前記副画素のそれぞれについて、独立して実行し、
前記関連付けは、前記副画素のそれぞれについて、対応する副画素の色チャネル値を前記調整画像画素値に関連付けることを含む、請求項１に記載の方法。 each of said given pixels comprises a set of sub-pixels, and performing at least a portion of said calculation, identification and projection independently for each of said sub-pixels;
2. The method of claim 1, wherein said associating comprises, for each of said sub-pixels, associating a corresponding sub-pixel color channel value with said adjusted image pixel value. 前記ユーザ瞳孔位置を、瞳孔または眼球追跡器を介して動的に追跡する、請求項１に記載の方法。 2. The method of claim 1, wherein the user pupil position is dynamically tracked via a pupil or eye tracker. 前記ユーザ知覚を、少なくとも部分的にユーザの視力低下に対処するように調整する、請求項１に記載の方法。 3. The method of claim 1, wherein the user perception is adjusted to at least partially address a user's vision loss. 一つまたは複数のデジタルプロセッサによって自動的に実装され、ライトフィールド成形要素（ＬＦＳＥ）配列を有するデジタルディスプレイの画素の集合を介して前記デジタルディスプレイ上にレンダリングされる入力画像のユーザ知覚を自動的に調整する、デジタル命令を含む非一時的なコンピュータ可読媒体であって、前記命令は、
指定された画像知覚調整をユーザに提供するように指定された調整画像平面上に前記入力画像をデジタルマッピングし、
前記画素の少なくとも一部の所与の画素のそれぞれについて、デジタル的に、
前記所与の画素及びユーザ瞳孔位置間のベクトルを計算し、
前記ベクトルと交わる所与のＬＦＳＥに基づいて、前記所与の画素によって発せられるライトフィールドの方向を近似し、
前記方向を与えられた所与の調整画像位置で前記調整画像平面と交わるように前記所与の画素及び前記所与のＬＦＳＥ間の調整画像光線追跡を投影し、
前記マッピングに基づいて、前記所与の調整画像位置について指定された調整画像画素値を前記所与の画素に関連付け、
前記所与の画素のそれぞれを、前記調整画像画素値に従ってレンダリングし、それによって知覚的に調整されたバージョンの前記入力画像をレンダリングする、非一時的なコンピュータ可読媒体。 automatically implemented by one or more digital processors to automatically user perception of an input image rendered on a digital display via a set of pixels of the digital display having a light field shaping element (LFSE) array; A non-transitory computer-readable medium containing digital instructions to adjust, the instructions comprising:
digitally mapping the input image onto a designated adjusted image plane to provide a user with a specified image perceptual adjustment;
for each given pixel of at least a portion of said pixels, digitally:
calculating a vector between the given pixel and a user pupil position;
approximating the direction of the light field emitted by the given pixel based on a given LFSE that intersects the vector;
projecting an adjusted image ray trace between the given pixel and the given LFSE to intersect the adjusted image plane at a given adjusted image position given the direction;
Associating a specified adjusted image pixel value for the given adjusted image location with the given pixel based on the mapping;
A non-transitory computer-readable medium that renders each of the given pixels according to the adjusted image pixel values, thereby rendering a perceptually adjusted version of the input image. 前記調整画像平面は、前記ユーザ瞳孔位置から指定された距離でデジタルディスプレイに対して仮想的に配置された仮想イメージ平面であり、
前記調整画像光線追跡は、前記仮想イメージ平面と交わる前記所与の画素及び前記所与のＬＦＳＥ間の仮想イメージベクトルを含む、請求項８に記載の非一時的なコンピュータ可読媒体。 the adjusted image plane is a virtual image plane virtually positioned relative to the digital display at a specified distance from the user pupil position;
9. The non-transitory computer-readable medium of claim 8, wherein the adjusted image ray trace includes a virtual image vector between the given pixel and the given LFSE that intersects the virtual image plane. 前記調整画像平面を、ユーザ網膜面として指定し、
前記調整画像光線追跡は、入力されたユーザアイフォーカス収差パラメータに従って前記瞳孔位置が与えられた前記調整画像光線追跡を方向変更することによって前記ユーザ網膜面と交わるように投影する、請求項８に記載の非一時的なコンピュータ可読媒体。 designating the adjusted image plane as the user retinal plane;
9. The adjusted image ray trace of claim 8, wherein the adjusted image ray trace projects to intersect the user's retinal plane by redirecting the adjusted image ray trace given the pupil position according to an input user eye focus aberration parameter. non-transitory computer-readable medium. 前記命令は、さらに、前記調整画像光線追跡が前記入力されたユーザ瞳孔位置に関連付けられた入力瞳孔領域と交わることを確認することが実行可能である、請求項８に記載の非一時的なコンピュータ可読媒体。 9. The non-transitory computer of claim 8, wherein the instructions are further executable to verify that the adjusted image raytrace intersects an input pupil region associated with the input user pupil position. readable medium. 前記所与の画素のそれぞれは副画素の集合を含み、前記計算、識別、及び投影の少なくとも一部を、前記副画素のそれぞれについて、独立して実行し、
前記関連付けは、前記副画素のそれぞれについて、対応する副画素の色チャネル値を前記調整画像画素値に関連付けることを含む、請求項８に記載の非一時的なコンピュータ可読媒体。 each of said given pixels comprises a set of sub-pixels, and performing at least a portion of said calculation, identification and projection independently for each of said sub-pixels;
9. The non-transitory computer-readable medium of claim 8, wherein said associating comprises, for each of said sub-pixels, associating a corresponding sub-pixel color channel value with said adjusted image pixel value. 前記ユーザ瞳孔位置を、瞳孔または眼球追跡器を介して動的に追跡する、請求項８に記載の非一時的なコンピュータ可読媒体。 9. The non-transitory computer readable medium of claim 8, wherein the user pupil position is dynamically tracked via a pupil or eye tracker. 前記ユーザ知覚を、少なくとも部分的にユーザの視力低下に対処するように調整する、請求項８に記載の非一時的コンピュータ可読媒体。 9. The non-transitory computer-readable medium of claim 8, wherein the user perception is adjusted to at least partially address a user's vision loss. レンダリングされる入力画像のユーザ知覚を自動的に調節するように動作可能なデジタルディスプレイ装置であって、前記装置は、
画素配列を含み、それに応じて画素化画像をレンダリングするように動作可能なデジタルディスプレイ媒体と、
前記画素の少なくとも一部から発するライトフィールドを成形することにより、前記ディスプレイ媒体からユーザに向かうその投影を少なくとも部分的に管理するライトフィールド成形要素（ＬＦＳＥ）配列と、
前記入力画像の画素データについて前記入力画像のユーザ知覚を調整するためレンダリングされる調整画像画素データを出力するように動作可能なハードウェアプロセッサと、を含み、
前記ハードウェアプロセッサは、
指定された画像知覚調整をユーザに提供するように指定された調整画像平面上に前記入力画像をデジタルマッピングし、
前記画素の少なくとも一部の所与の画素のそれぞれについて、デジタル的に、
前記所与の画素及びユーザ瞳孔位置間のベクトルを計算し、
前記ベクトルと交わる所与のＬＦＳＥに基づいて、前記所与の画素によって発せられるライトフィールドの方向を近似し、
前記方向を与えられた所与の調整画像位置で前記調整画像平面と交わるように前記所与の画素及び前記所与のＬＦＳＥ間の調整画像光線追跡を投影し、
前記マッピングに基づいて、前記所与の調整画像位置について指定された調整画像画素値を前記所与の画素に関連付け、
前記所与の画素のそれぞれを、前記調整画像画素値に従ってレンダリングし、それによって知覚的に調整されたバージョンの前記入力画像をレンダリングする、デジタルディスプレイ装置。 A digital display device operable to automatically adjust user perception of a rendered input image, said device comprising:
a digital display medium comprising an array of pixels and operable to render a pixelated image accordingly;
a light field shaping element (LFSE) array for shaping a light field emanating from at least some of said pixels, thereby at least partially managing its projection from said display medium towards a user;
a hardware processor operable to output adjusted image pixel data rendered to adjust user perception of the input image with respect to the input image pixel data;
The hardware processor is
digitally mapping the input image onto a designated adjusted image plane to provide a user with a specified image perceptual adjustment;
for each given pixel of at least a portion of said pixels, digitally:
calculating a vector between the given pixel and a user pupil position;
approximating the direction of the light field emitted by the given pixel based on a given LFSE that intersects the vector;
projecting an adjusted image ray trace between the given pixel and the given LFSE to intersect the adjusted image plane at a given adjusted image position given the direction;
Associating a specified adjusted image pixel value for the given adjusted image location with the given pixel based on the mapping;
A digital display device that renders each of said given pixels according to said adjusted image pixel values, thereby rendering a perceptually adjusted version of said input image. 前記調整画像平面は、前記ユーザ瞳孔位置から指定された距離でデジタルディスプレイに対して仮想的に配置された仮想イメージ平面であり、
前記調整画像光線追跡は、前記仮想イメージ平面と交わる前記所与の画素及び前記所与のＬＦＳＥ間の仮想イメージベクトルを含み、
前記指定された距離は、前記知覚的に調整されたバージョンの前記入力画像がユーザの低下した視力に適応するように調整される指定された最小視距離を含む、請求項１５に記載のデジタルディスプレイ装置。 the adjusted image plane is a virtual image plane virtually positioned relative to the digital display at a specified distance from the user pupil position;
the adjusted image ray trace includes a virtual image vector between the given pixel and the given LFSE that intersects the virtual image plane;
16. The digital display of claim 15, wherein the specified distance comprises a specified minimum viewing distance at which the perceptually adjusted version of the input image is adjusted to accommodate a user's reduced visual acuity. Device. 視力が低下した視聴者が見るために、前記知覚的に調整されたバージョンの前記入力画像は、少なくとも部分的に視聴者の低下した視力を補償するように、前記入力画像のユーザ知覚を調整する動作が可能なデジタルディスプレイ装置であって、
前記装置は、さらに、前記最小視距離を動的に調整するためのユーザインターフェースを備える、請求項１６に記載のデジタルディスプレイ装置。 For viewing by a viewer with reduced vision, the perceptually adjusted version of the input image adjusts user perception of the input image to at least partially compensate for the viewer's reduced vision. A digital display device operable to
17. The digital display device of claim 16, said device further comprising a user interface for dynamically adjusting said minimum viewing distance. 前記調整画像平面を、ユーザ網膜面として指定し、
前記調整画像光線追跡は、入力されたユーザアイフォーカス収差パラメータに従って前記瞳孔位置が与えられた前記調整画像光線追跡を方向変更することによって前記ユーザ網膜面と交わるように投影する、請求項１５に記載のデジタルディスプレイ装置。 designating the adjusted image plane as the user retinal plane;
16. The adjusted image ray trace of claim 15, wherein the adjusted image ray trace projects to intersect the user's retinal plane by redirecting the adjusted image ray trace given the pupil position according to an input user eye focus aberration parameter. digital display device. さらに、前記入力されたユーザアイフォーカス収差パラメータを動的に調整するためのユーザインターフェースを含む、請求項１８に記載のデジタルディスプレイ装置。 19. The digital display device of Claim 18, further comprising a user interface for dynamically adjusting said input user eye focus aberration parameter. 前記所与の画素のそれぞれは副画素の集合を含み、前記計算、識別、及び投影の少なくとも一部を、前記副画素のそれぞれについて、独立して実行し、
前記関連付けは、前記副画素のそれぞれについて、対応する副画素の色チャネル値を前記調整画像画素値に関連付けることを含む、請求項１５に記載のデジタルディスプレイ装置。 each of said given pixels comprises a set of sub-pixels, and performing at least a portion of said calculation, identification and projection independently for each of said sub-pixels;
16. The digital display device of Claim 15, wherein said associating comprises, for each of said sub-pixels, associating a corresponding sub-pixel color channel value with said adjusted image pixel value. さらに、前記ユーザ瞳孔位置の変化を動的に追跡し、自動的に適応するように動作可能な、瞳孔もしくは眼球追跡器または瞳孔もしくは眼球追跡インターフェースを備える、請求項１５に記載のデジタルディスプレイ装置。 16. The digital display device of claim 15, further comprising a pupil or eye tracker or pupil or eye tracking interface operable to dynamically track changes in the user pupil position and automatically adapt. 前記ハードウェアプロセッサは、グラフィックス処理ユニット（ＧＰＵ）を含み、前記計算、識別、投影、及び関連付けは、前記ＧＰＵにより、前記画素の少なくとも部分集合である前記所与の画素ごとに並行して実施される、請求項１５に記載のデジタルディスプレイ装置。 The hardware processor includes a graphics processing unit (GPU), and the computation, identification, projection, and association are performed by the GPU in parallel for the given pixel, which is at least a subset of the pixels. 16. The digital display device of claim 15, wherein: 前記ＬＦＳＥの少なくとも一部は、回折光学要素を含む、請求項１５に記載のデジタルディスプレイ装置。 16. The digital display device of Claim 15, wherein at least part of said LFSE comprises a diffractive optical element. 前記ＬＦＳＥの少なくとも一部は、マイクロレンズを含む、請求項１５に記載のデジタルディスプレイ装置。 16. The digital display device of Claim 15, wherein at least part of said LFSE comprises a microlens. 前記ＬＦＳＥ配列は、前記画素に対して配置されたライトフィールド成形層（ＬＦＳＬ）によって形成される、請求項１５に記載のデジタルディスプレイ装置。 16. The digital display device of Claim 15, wherein the LFSE array is formed by a light field shaping layer (LFSL) disposed relative to the pixels. 前記ＬＦＳＬは、デジタルスクリーンオーバーレイを含む、請求項２５に記載のデジタルディスプレイ装置。 26. The digital display device of claim 25, wherein said LFSL includes a digital screen overlay. 前記ＬＦＳＥの少なくとも一部は、デジタルディスプレイ媒体と一体的に形成または製造されている、請求項１５に記載のデジタルディスプレイ装置。 16. The digital display device of Claim 15, wherein at least a portion of said LFSE is integrally formed or manufactured with a digital display medium. 前記ＬＦＳＥの少なくとも一部は、テクスチャードもしくはマスク加工されたガラス板、またはビーム成形光源のうちの少なくとも一つを含む、請求項２７に記載のデジタルディスプレイ装置。 28. The digital display device of Claim 27, wherein at least a portion of said LFSE comprises at least one of a textured or masked glass plate, or a beam shaping light source.
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US16/259,845 US10394322B1 (en) 2018-10-22 2019-01-28 Light field display, adjusted pixel rendering method therefor, and vision correction system and method using same
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US16/510,673 US10474235B1 (en) 2018-10-22 2019-07-12 Light field display, adjusted pixel rendering method therefor, and vision correction system and method using same
US16/551,572 US10636116B1 (en) 2018-10-22 2019-08-26 Light field display, adjusted pixel rendering method therefor, and vision correction system and method using same
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