JP2014064935A - カラー内視鏡検査のための装置および方法 - Google Patents
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Abstract
【解決手段】電子放射を構造物に提供する。少なくとも2つの導波路を有する第一の構成を含み、導波路は、互いに少なくとも部分的に区別される波長をもつ少なくとも2つの電磁放射を提供できる。また、分散用の第二の構成を含み、第二の構成は、電磁放射を受け、個々の電磁放射と関連した少なくとも2つの分散された放射を構造物の少なく一つの領域に送る。導波路は、分散用の構成に対して構造化されおよび/または空間的に配置され、構造物上での分散された放射の部分的な重なりを容易にする。少なくとも2つのさらなる導波路を含む他の構成が提供される。さらなる導波路は、分散用の構成から電磁放射を受ける。各々の導波路は、分散用の構成に対して構造化されおよび/または空間的に配置されて、波長に応じてそのような電磁放射の一つを受ける。
【選択図】図4
Description
本出願は、2008年7月14日出願の米国特許出願第61/080,534号と関連し、その出願の優先権を主張するものであり、かつその米国出願のすべての開示は引用することにより本明細書の一部である。
例えば、図8Aは、赤光800,緑光810,および青光815を運ぶ、3つのシングルまたはマルチモードの光ファイバを例示的に用いた、例示的な実施態様を叙述している。ファイバは、横方向にオフセットの状態で構成されうる。光は、ファイバ800、810および/または815のいずれかによって検出されうるか、または、光はさらに、プローブ805、806内に存在できるシングルモードまたはマルチモードの他のファイバによって検出することもできる。図8Bは、赤の導波性領域820、緑の導波性領域825および青の導波性領域830を含む単一のファイバを含む他の例示的な実施態様を示している。光は、ファイバの、他のクラッドまたは導波性領域であると考えられる、他の導波性領域835から集められうる。
一つの例示的な実施において、ラインスキャンカメラが、例えば2次元10ビット単色像(例えば、約2048×500ピクセル/像)を作ることができる。暗電流雑音レベルまたはそれ以下のピクセル強度を、最初にゼロに設定できる。次いで、原画像を、赤、緑および青色を表す、3つの単色像(500×500ピクセル/像)に分割できる。各スペクトルコード化ラインは、光源および光学構成要素の光スループット変化のための不均一性を補償され、そして以下の処理によってガンマ補償されることができる。色C(Cは、赤、緑または青でありうる)のための分割されたイメージのスペクトルコード化されたライン上のi’番のピクセルにおける10ビットのグレースケール強度Iは、以下の式により、8ビットグレースケール値pへと変換できる。
p(i,C)=pw[I(i,C)/Iw(i,C)]1/2.2
ここで、pwは、ホワイトの参照カード(例えば、Gretag Macbeth(登録商標) Color Checker(登録商標) White balanceカード、X−Rite社、米国ミシガン州;OD=0.05)のための参照8ビットグレースケール値であり、Iwは、ホワイトの参照カードのために測定された10ビットグレースケール強度である。参照スペクトルIwは、ホワイトの参照カードを前もってイメージングすることにより得ることができ、そしてpwは、製造業者から提供された参照値に合わせて243に設定できる。次いで、3つの加工された8ビットグレースケールイメージは、組み合わされ、赤、緑および青のチャンネルによって併合することにより、24ビットのカラーイメージを形成する。
Claims (23)
- 電磁放射と構造物に提供するための装置であって、
互いに少なくとも部分的に区別される波長をもつ、少なくとも2つの個別の電磁放射が、そこを通って提供されるように構成された少なくとも2つの導波路を含む第一の構成、および
該電磁放射を受け、そして該個別の電磁放射に関連した少なくとも2つの分散された電磁放射を該構造物の少なくとも一つの領域に送るように構成された分散用の第二の構成、
(ここで、該少なくとも2つの導波路は、該構造物上での分散された放射の少なくとも部分的な重なりを容易とするように、該分散用の構成に対して、少なくとも構造化または空間的に配置されている)、
を含む装置。 - 少なくとも2つの導波路が、互いに空間的にオフセットの位置になるように空間配置されている、請求項1に記載の装置。
- 少なくとも2つの導波路が、該導波路から出る個々の電磁放射が互いに異なった角度になるように構成されている、請求項1に記載の装置。
- 分散用の構成が少なくとも一つのグリズムまたは回析格子を含む、請求項1に記載の装置。
- 分散用の構成が、レンズを含む請求項1に記載の装置。
- 少なくとも一つの導波路または分散用の構成が、構造物に対して回転するように構成されている、請求項1に記載の装置。
- 少なくとも一つの導波路が、少なくとも一つの(i)シングルモードファイバ、(ii)マルチモードファイバ、(iii)マルチクラッドファイバ、または(iv)ファイバ束内のファイバである、請求項1に記載の装置。
- さらに、分散用の第二の構成を通じて構造物から提供されるさらなる電磁放射と受けるように構成された第三の構成を含む、請求項1に記載の装置、
(ここで、該第三の構成は、該さらなる放射を受けるさらなる導波路を含み、かつ、該さらなる放射は、分散された電磁波と関連している)。 - 少なくとも一つのさらなる導波路が、少なくとも一つの(i)シングルモードファイバ、(ii)マルチモードファイバ、(iii)マルチクラッドファイバ、または(iv)ファイバ束内のファイバである、請求項8に記載の装置。
- 請求項1に記載の装置であって、
(ここで、分散用の第二の構成は、受けた電磁放射に基づいてさらなる個々の電磁放射を作り出すように構成されている)、さらに、
第二の電磁放射を受けるように構成されている、少なくともさらに2つの導波路を含む特別の構成、
(ここで、該少なくとも2つのさらなる導波路の各々は、分散用の第二の構成に対して、少なくとも構造化または空間的に配置されて、波長に応じて該さらなる個々の電磁放射の区別された一つの受取りを促進する)、
を含む装置。 - 互いに少なくとも部分的に区別された波長をもつ、少なくとも2つの第一の電磁放射を受けるように構成された分散用の第一の構成、
(ここで、該第一の電磁放射は、構造物の少なくとも一つの領域において影響しそして少なくとも部分的に重なる特定の放射と関連しており、該分離用の第一の構成は、受けた第一の電磁放射に基づいて第二の個々の電磁放射を作り出す、および
第二の電磁放射を受けるように構成された、少なくとも2つの導波路を含む第二の構成(ここで、該少なくも2つの導波路の各々は、分散用の構成に対して、少なくとも構造化されまたは空間的に配置されて、波長に応じて該第二の個々の電磁放射の区別された一つを受けることを容易にする)、
を含む、構造物の情報を取得するための装置。 - 少なくとも一つの追加の導波路が、少なくとも一つの(i)シングルモードファイバ、(ii)マルチモードファイバ、(iii)マルチクラッドファイバ、または(iv)ファイバ束内のファイバである、請求項11に記載の装置。
- さらに、構造物に特別の放射を伝搬するように構成された第四の構成、
(ここで、第四の構成は、特別の放射を提供する、特別の導波路を含む)、
を含む、請求項11に記載の装置。 - 少なくとも一つの特別の導波路が、少なくとも一つの(i)シングルモードファイバ、(ii)マルチモードファイバ、(iii)マルチクラッドファイバ、または(iv)ファイバ束内のファイバである、請求項13に記載の装置。
- さらに、第二の電磁放射に応じて、構造物の少なくとも一つの部分のために少なくとも一つのイメージを作るように構成された第五の構成を含む、請求項11に記載の装置。
- 第五の構成が、少なくとも一つの電荷結合素子(CCD)、直線配列の検出器、または単一の検出器を含む、請求項15に記載の装置。
- 第五の構成が、少なくとも一つの分散用の構造を含む、請求項15に記載の装置。
- 第五の構成が、さらに、第二の電磁放射と関連したデータを加工して、構造物の少なくとも一つの部分の少なくとも一つのカラーイメージを作るように構成されている、請求項15に記載の装置。
- 第五の構成が、構造物と関連したイメージ情報を得て、そして該イメージ情報および第二の電磁放射に基づいて、少なくとも一つのイメージを作る、請求項15に記載の方法。
- 構造物が、均一の反射特性を持っている、請求項19に記載の装置。
- 少なくとも一つのイメージが色情報を含む、請求項19に記載の装置。
- 第五の構成が、(i)第二の電磁放射に基づいて、構造物の少なくとも一つの部分のためのデータを作り、そして(ii)該データにガンマ補償処理を行って少なくとも一つのイメージを作る、請求項15に記載の装置。
- 第五の構成が、第二の電磁放射に基づいて、構造物の少なくとも一つの部分のためにデータを作る一つのみの電荷結合素子(CCD)を含む、
(ここで、第五の構成はさらに、該データを、少なくとも2つのさらなるデータに分割し、該さらなるデータのそれぞれが、構造物の少なくとも一つの部分と関連した異なった色に対応するように構成されている)、
請求項15に記載の装置。
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JP5667051B2 (ja) | 2015-02-12 |
JP5829667B2 (ja) | 2015-12-09 |
JP2011527930A (ja) | 2011-11-10 |
WO2010009136A3 (en) | 2010-04-08 |
US10835110B2 (en) | 2020-11-17 |
WO2010009136A2 (en) | 2010-01-21 |
EP2309923A2 (en) | 2011-04-20 |
EP2309923B1 (en) | 2020-11-25 |
US20160206184A1 (en) | 2016-07-21 |
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