JP6306703B2 - カラー画像を生成する方法及びシステム - Google Patents
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Description
本明細書で言及されるすべての発行物、特許、および特許出願は、個々の発行物、特許、または特許出願のそれぞれが、参照によって組み込まれるものとして具体的かつ個別に示されているのと同程度に、参照によって本明細書に組み込まれている。
Claims (24)
- 対象物の合焦3次元カラー画像を生成するシステムであって、
第1の波長を含む光と、前記第1の波長と異なる第2の波長を含む光と、を生成する多色光源と、
単色光を生成する単色光源と、
前記多色光源及び前記単色光源と光学的に結合された光学系であって、
前記多色光源の前記第1の波長を第1の波長の焦点距離で合焦させ、前記第1の波長の焦点距離を、複数の異なる第1の波長の焦点距離にわたってスキャンすることと、
前記多色光源の前記第2の波長を第2の波長の焦点距離で合焦させ、前記第2の波長の焦点距離を、複数の異なる第2の波長の焦点距離にわたってスキャンすることと、
前記単色光を単色の焦点距離で合焦させ、前記単色の焦点距離を、それぞれの場所における前記対象物から反射された前記単色光の分析に基づいて、複数の異なる単色の焦点距離にわたってスキャンすることと、を行うように動作可能な前記光学系と、
前記複数の第1の波長の焦点距離について、前記対象物から反射された前記第1の波長の光に対応する第1の波長の色画像データを収集し、前記複数の第2の波長の焦点距離について、前記対象物から反射された前記第2の波長の光に対応する第2の波長の色画像データを収集し、前記対象物に対して合焦された単色トポグラフィデータを収集するように構成された検出器と、
前記合焦カラー画像内の複数の異なる場所のそれぞれについて、
前記複数の第1の波長の焦点距離のうちの、前記第1の波長が前記対象物に対して前記それぞれの場所で合焦する、第1の波長の焦点距離を選択することと、
前記複数の第2の波長の焦点距離のうちの、前記第2の波長が前記対象物に対して前記それぞれの場所で合焦する、第2の波長の焦点距離を選択することと、
前記複数の単色の焦点距離のうちの、前記単色光が前記対象物に対して前記それぞれの場所で合焦する、単色の焦点距離を選択することと、
前記それぞれの場所に対して前記選択された第1の波長の焦点距離に対応する前記第1の波長の画像データと、前記それぞれの場所に対して前記選択された第2の波長の焦点距離に対応する前記第2の波長の画像データと、前記それぞれの場所に対する前記単色の焦点距離と、を組み合わせて、前記対象物の前記合焦3次元カラー画像の為の、前記それぞれの画像化場所の合焦3次元トポロジ及びカラー画像データを生成することと、を行うように構成された処理装置と、
を備えるシステム。 - 前記光学系は、
前記第1の波長の焦点距離を前記複数の第1の波長の焦点距離にわたってスキャンすることと、
前記第2の波長の焦点距離を前記複数の第2の波長の焦点距離にわたってスキャンすることと、を行うように構成された可動光学的構成要素を含む、
請求項1に記載のシステム。 - 前記光源は、前記第1及び第2の波長と異なる第3の波長を含む光を生成し、
前記光学系は、前記第3の波長を第3の波長の焦点距離で合焦させ、前記第3の波長の焦点距離を、複数の異なる第3の波長の焦点距離にわたってスキャンするように動作可能であり、
前記検出器は、前記複数の第3の波長の焦点距離について、前記対象物から反射された前記第3の波長の光に対応する第3の波長の画像データを収集するように構成されており、
前記処理装置は、前記合焦カラー画像内の前記複数の異なる場所のそれぞれについて、
前記複数の第3の波長の焦点距離のうちの、前記第3の波長が前記対象物に対して前記それぞれの場所で合焦する、第3の波長の焦点距離を選択することと、
前記それぞれの場所に対して前記選択された第1の波長の焦点距離に対応する前記第1の波長の画像データと、前記それぞれの場所に対して前記選択された第2の波長の焦点距離に対応する前記第2の波長の画像データと、前記それぞれの場所に対して前記選択された第3の波長の焦点距離に対応する前記第3の波長の画像データと、を組み合わせて、前記対象物の前記合焦カラー画像の為の、前記それぞれの画像化場所の合焦色画像データを生成することと、を行うように構成されている、
請求項1に記載のシステム。 - 前記第1の波長の画像データ、前記第2の波長の画像データ、及び前記第3の波長の画像データのうちの少なくとも1つが、前記複数の前記それぞれの少なくとも1つの波長の焦点距離のそれぞれについて前記それぞれの波長の強度データを含む、請求項3に記載のシステム。
- 前記第1の波長は赤の光の波長であり、
前記第2の波長は緑の光の波長であり、
前記第3の波長は青の光の波長である、
請求項4に記載のシステム。 - 前記少なくとも1つの波長の画像データの各々は、前記検出器内の複数の画素に対応する位置データを含む、請求項4に記載のシステム。
- 前記光源は白色光源を含み、前記検出器はカラー画像検出器を含む、請求項1に記載のシステム。
- 前記選択された第1の波長の焦点距離、及び前記選択された第2の波長の焦点距離のうちの少なくとも一方が、前記合焦カラー画像内の前記複数の異なる場所に対して、少なくとも2つの異なる焦点距離を含む、請求項1に記載のシステム。
- 前記対象物の前記表面トポロジデータ及び前記合焦カラー画像は、共通基準フレームに並べられる、請求項1に記載のシステム。
- 全体又は一部分が手持ち式装置に組み込まれる、請求項1に記載のシステム。
- 前記光源は、前記第1及び第2の波長を同時に含む光を生成する、請求項1に記載のシステム。
- 前記選択された、前記対象物に対して合焦する個々の波長のそれぞれの焦点距離は、結果として錯乱円の直径を0.4mm以下にする、請求項1に記載のシステム。
- 前記選択された、前記対象物に対して合焦する個々の波長のそれぞれの焦点距離は、結果として錯乱円の直径を0.2mm以下にする、請求項12に記載のシステム。
- 前記第1及び第2の波長の焦点距離の選択は、(a)前記対象物から反射された光の強度、及び(b)前記対象物から反射された前記第1及び第2の波長のうちの少なくとも一方の波長の画像化部分の空間周波数成分のうちの少なくとも一方に基づく、請求項1に記載のシステム。
- 対象物の合焦3次元カラー画像を生成する、コンピュータで実施される方法であって、
前記対象物から反射された、複数の異なる焦点距離の多色光源の第1の波長の光に対応する検出器からの画像信号を、第1の波長の画像データが生成されるように処理するステップと、
前記対象物から反射された、複数の異なる焦点距離の多色光源の第2の波長の光に対応する前記検出器からの画像信号を、第2の波長の画像データが生成されるように処理するステップであって、前記第2の波長は、前記第1の波長と異なる、前記ステップと、
前記対象物から反射された、複数の異なる焦点距離の単色光源の光に対応する前記検出器からの画像信号を、前記対象物の表面トポロジデータが生成されるように処理するステップと、
前記合焦カラー画像内の複数の異なる場所のそれぞれについて、
前記複数の第1の波長の焦点距離のうちの、前記第1の波長が前記対象物に対して前記それぞれの場所で合焦する、第1の波長の焦点距離を選択し、
前記複数の第2の波長の焦点距離のうちの、前記第2の波長が前記対象物に対して前記それぞれの場所で合焦する、第2の波長の焦点距離を選択し、
前記複数の単色の焦点距離のうちの、前記単色光が前記対象物に対して前記それぞれの場所で合焦する、単色の焦点距離を、それぞれの場所における前記対象物から反射された前記単色光の分析に基づいて、選択し、
前記それぞれの場所に対して前記選択された第1の波長の焦点距離に対応する前記第1の波長の画像データと、前記それぞれの場所に対して前記選択された第2の波長の焦点距離に対応する前記第2の波長の画像データと、前記表面トポロジデータと、を組み合わせて、前記対象物の前記合焦3次元カラー画像の為の、前記それぞれの画像化場所の合焦3次元トポロジ及びカラー画像データを生成するステップと、
を含む方法。 - 前記対象物から反射された、第3の波長を含む光を前記対象物に照射する為に使用される複数の異なる焦点距離の前記第3の波長の光に対応する画像信号を、第3の波長の画像データが生成されるように処理するステップであって、前記第3の波長は、前記第1の波長及び前記第2の波長と異なる、前記ステップと、
前記合焦カラー画像内の前記複数の異なる場所のそれぞれについて、
前記複数の第3の波長の焦点距離のうちの、前記第3の波長が前記対象物に対して前記それぞれの場所で合焦する、第3の波長の焦点距離を選択し、
前記それぞれの場所に対して前記選択された第1の波長の焦点距離に対応する前記第1の波長の画像データと、前記それぞれの場所に対して前記選択された第2の波長の焦点距離に対応する前記第2の波長の画像データと、前記それぞれの場所に対して前記選択された第3の波長の焦点距離に対応する前記第3の波長の画像データと、を組み合わせて、前記対象物の前記合焦カラー画像の為の、前記それぞれの画像化場所の合焦色画像データを生成するステップと、
を更に含む、請求項15に記載の方法。 - 前記第1の波長の光は、約465nmから約485nmの波長を含み、前記第2の波長の光は、約500nmから約520nmの波長を含み、前記第3の波長の光は、約640nmから約660nmの波長を含む、請求項16に記載の方法。
- 前記第1の波長の画像データ、前記第2の波長の画像データ、及び前記第3の波長の画像データのうちの少なくとも1つが、前記複数の前記それぞれの少なくとも1つの波長の焦点距離のそれぞれについて前記それぞれの波長の強度データを含む、請求項16に記載の方法。
- 前記画像信号は、前記対象物の白色光照射によって発生する前記対象物からの反射に対する応答として生成される、請求項15に記載の方法。
- 前記対象物の前記表面トポロジデータ及び前記合焦カラー画像は、共通基準フレームに並べられる、請求項15に記載の方法。
- 前記選択された、前記対象物に対して合焦する個々の波長のそれぞれの焦点距離は、結果として錯乱円の直径を0.4mm以下にする、請求項15に記載の方法。
- 前記選択された、前記対象物に対して合焦する個々の波長のそれぞれの焦点距離は、結果として錯乱円の直径を0.2mm以下にする、請求項21に記載の方法。
- 前記第1及び第2の波長の焦点距離の選択は、(a)前記対象物から反射された光の強度、及び(b)前記対象物から反射された前記第1及び第2の波長のうちの少なくとも一方の波長の画像化部分の空間周波数成分のうちの少なくとも一方に基づく、請求項15に記載の方法。
- 非過渡的コンピュータ可読命令を保存する有形媒体であって、前記命令は、1つ以上の処理装置を含む画像化システムによって実行された場合に、請求項15から23のいずれか一項に記載の方法を前記画像化システムに実施させる、前記有形媒体。
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