JP7145073B2 - コード化パターンプロジェクタ - Google Patents
コード化パターンプロジェクタ Download PDFInfo
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- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- Physics & Mathematics (AREA)
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- Blocking Light For Cameras (AREA)
- Lenses (AREA)
- Led Device Packages (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Communication System (AREA)
Description
本願は、2015年10月21日に出願され「Coded Pattern Projector(コード化パターンプロジェクタ)」と題された米国仮特許出願番号第62/244,397号の非仮出願である。米国仮特許出願番号第62/244,397号の内容全体を引用により本明細書に援用する。
多くの撮像アプリケーションは、構造化光を発生させる照明系の恩恵を受ける。構造化光の既知のパターンの光がシーン上に投影されると、当該パターンの変形によって、当該シーン内のオブジェクトについてのさまざまな表面および深度情報が与えられる。たとえば、3D撮像およびジェスチャ認識アプリケーションに用いられるような光学系は、コード化パターン投影を用いる。構造化光を用いる光学系への高まる需要を満たすために、構造化光照明源および方法の改善が必要である。
添付の図面に示すような本教示の例示的な実施形態を参照して本教示を以下により詳細に説明する。本教示をさまざまな実施形態および例に関連して説明するが、本教示をそのような実施形態に限定することを意図していない。反対に、本教示は当業者によって認識されるように、さまざまな代案、変更および均等物を含む。本明細書の教示に接した当業者は、付加的な実現例、変更、および実施形態、および他の使用分野を認識するであろう。それらは本明細書に記載の本開示の範囲内にある。
出願人の教示をさまざまな実施形態に関連して説明しているが、出願人の教示がそのような実施形態に限定されることを意図していない。反対に、出願人の教示は当業者によって認識されるように、さまざまな代案、変更および均等物を含み、これらは教示の精神および範囲から逸脱することなく本明細書においてなされ得る。
Claims (5)
- コード化パターンプロジェクタ装置であって、
a) 複数の発光体を含む発光体の面発光アレイを備え、前記複数の発光体の各々は、前記複数の発光体の各々の各自の電気入力に印加される電気駆動信号に応答して複数の光ビームの1本を発生させ、前記コード化パターンプロジェクタ装置はさらに、
b) 前記発光体の面発光アレイによって発生する前記複数の光ビームの光路内に位置決めされる単一の第1の光学素子を備え、前記第1の光学素子は、前記発光体の面発光アレイによって発生する前記複数の光ビームの各々を投影し、前記コード化パターンプロジェクタ装置はさらに、
c) 前記複数の光ビームの前記光路内に位置決めされる単一の第2の光学素子を備え、前記第2の光学素子は、前記複数の光ビームが少なくとも1つのストライプパターンを形成するように、第1の次元において前記複数の光ビームをコリメートし、第2の次元において前記複数の光ビームを発散させ、前記コード化パターンプロジェクタ装置はさらに、
d) 隣接する投影ストライプパターンが部分的に重なり合い、前記隣接する投影ストライプパターンをより大きなストライプパターンに合体させるように、前記少なくとも1つのストライプパターンの各々を複製し、複製した各ストライプパターンを対応する角度で投影する第3の光学素子をさらに備え、
e)複数の電気出力を有するコントローラを備え、前記複数の電気出力の各々は前記複数の発光体の各々の各自の電気入力に接続され、前記コントローラは、所望のコード化ストライプパターンを生成する所望の電気駆動信号を発生させるよう動作可能である、コード化パターンプロジェクタ装置。 - 前記第2の光学素子は、前記複数の光ビームの前記光路内の前記第1の光学素子の後に位置決めされる、請求項1に記載のコード化パターンプロジェクタ装置。
- 前記第1の光学素子は、前記複数の光ビームの前記光路内の前記第2の光学素子の後に位置決めされる、請求項1に記載のコード化パターンプロジェクタ装置。
- 前記複数の発光体の少なくとも3つは、前記少なくとも1つのストライプパターンの少なくとも1つが均一のストライプパターンを含むように、前記発光体の面発光アレイの1行を形成するように位置決めされる、請求項1に記載のコード化パターンプロジェクタ装置。
- 前記発光体の面発光アレイと前記第1の光学素子との間に位置決めされるマイクロプリズムアレイをさらに備え、前記マイクロプリズムアレイは、各々が前記複数の発光体のうちの各自の発光体と整列している複数のマイクロ光学プリズム素子を含み、前記マイクロプリズムアレイは、前記複数の光ビームが前記第1の光学素子のアパーチャを通って伝播するように前記複数の光ビームを曲げる、請求項1に記載のコード化パターンプロジェクタ装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562244397P | 2015-10-21 | 2015-10-21 | |
US62/244,397 | 2015-10-21 | ||
PCT/US2016/055938 WO2017069954A1 (en) | 2015-10-21 | 2016-10-07 | Coded pattern projector |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2018534592A JP2018534592A (ja) | 2018-11-22 |
JP2018534592A5 JP2018534592A5 (ja) | 2019-06-20 |
JP7145073B2 true JP7145073B2 (ja) | 2022-09-30 |
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JP2018534592A (ja) | 2018-11-22 |
WO2017069954A1 (en) | 2017-04-27 |
EP3365729A4 (en) | 2019-10-23 |
US20180203247A1 (en) | 2018-07-19 |
KR20180088647A (ko) | 2018-08-06 |
CN108604053A (zh) | 2018-09-28 |
CN108604053B (zh) | 2021-11-02 |
US20170115497A1 (en) | 2017-04-27 |
US9946089B2 (en) | 2018-04-17 |
EP3365729A1 (en) | 2018-08-29 |
US10353215B2 (en) | 2019-07-16 |
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