JP7500564B2 - 組織中の発色団濃度の決定 - Google Patents
組織中の発色団濃度の決定 Download PDFInfo
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Description
この出願は、2018年12月5日に出願された「組織中の発色団濃度の決定」という名称の米国仮出願第62/775,463号の利益を主張する。前述の出願の開示は、その全体が参照により本明細書に援用される。
Claims (15)
- 外科デバイスを使用するときに手術されている外科シーンの状態に関するフィードバックを提示する撮像システムであって、
前記外科シーンの複数の画像を得る内視鏡カメラであって、前記複数の画像内の各画像は、対応する波長範囲内の電磁放射線による照明の下で得られ、前記対応する波長範囲は、前記外科シーン内に存在する発色団のセットに従って選択され、前記対応する波長範囲のうちの任意の2つは、少なくとも部分的に重なり合っていない、内視鏡カメラと、
1つ以上の処理デバイスと、を含み、
該処理デバイスは、
前記複数の画像に基づいて、前記外科シーンの様々な部分で前記セット内の1つ以上の発色団の各発色団の濃度を決定するように構成され、前記濃度を決定することは、
前記複数の画像内の複数の画像に亘る画素値のセットを特定することであって、前記セット内の各画素値は、実質的に前記外科シーンの特定の部分を表す、特定することと、
発色団モデルに基づいて、前記複数の画像に亘る前記画素値のセットに対応する前記1つ以上の発色団の各発色団の前記濃度を決定することであって、前記発色団モデルは、発色団濃度及び画素値の組み合わせの間の関係を表す、決定することと、を含み、
前記処理デバイスは、
前記1つ以上の発色団の各発色団の前記濃度に関する情報に基づいて、前記外科シーンの表現を生成し、
前記外科デバイスと関連付けられる出力デバイスに前記外科シーンの前記表現を提示させる、
ように構成される、
撮像システム。 - 前記対応する波長範囲は、前記発色団のセット内の前記発色団の吸収スペクトルに関する情報に基づいて選択される、請求項1に記載の撮像システム。
- 前記発色団のセットは、ヘモグロビン、酸素化ヘモグロビン、脂肪、及び水を含む、請求項1又は2に記載の撮像システム。
- 前記外科シーンの前記表現を生成することは、前記1つ以上の発色団の各発色団の前記濃度に関する前記情報に基づいて前記外科シーンのハイパースペクトル画像を予測することを含み、前記ハイパースペクトル画像は、前記複数の画像に対応する前記波長範囲の外側の波長に対応する情報を含む、請求項1乃至3のうちのいずれか1項に記載の撮像システム。
- 前記外科シーンの前記表現を生成することは、前記1つ以上の発色団の各発色団の前記濃度に関する前記情報に基づいて前記外科シーンの着色された可視範囲画像を生成することを含み、前記着色された可視範囲画像は、可視光による照明の下での前記外科シーンの外観を表す、請求項1乃至4のうちのいずれか1項に記載の撮像システム。
- 前記内視鏡カメラは、画素当たり3つよりも少ない画像センサを含む、請求項1乃至5のうちのいずれか1項に記載の撮像システム。
- 前記外科シーンの前記表現を生成することは、前記1つ以上の発色団の各発色団の前記濃度に関する前記情報に基づいて前記外科シーンの狭帯域画像を生成することを含み、前記狭帯域画像は、前記複数の画像に対応する前記波長範囲の外側の光による照明の下での前記外科シーンの外観を表す、請求項1乃至6のうちのいずれか1項に記載の撮像システム。
- 前記1つ以上の処理デバイスは、前記複数の画像に対応する前記波長範囲のうちの1つ以上の波長範囲の下での照明についての前記外科シーンに入射する照明の量を推定するように構成される、請求項1乃至7のうちのいずれか1項に記載の撮像システム。
- 前記1つ以上の処理デバイスは、前記外科シーンに入射する前記照明の量に関する情報に基づいて前記複数の画像のうちの1つ以上の画像に対してトーンマッピング操作を実行するように構成される、請求項1乃至8のうちのいずれか1項に記載の撮像システム。
- 前記1つ以上の処理デバイスは、少なくとも前記複数の画像のサブセットに基づいて、前記外科シーンの様々な部分についての散乱の量を推定するように構成される、請求項1乃至7のうちのいずれか1項に記載の撮像システム。
- 前記1つ以上の処理デバイスは、(i)前記外科シーンの様々な部分についての前記散乱の量に関する情報、及び(ii)前記1つ以上の発色団の各発色団の前記濃度に関する前記情報に基づいて、前記外科シーンでの2つの異なる組織タイプの間の境界を決定するように構成される、請求項10に記載の撮像システム。
- 前記1つ以上の処理デバイスは、(i)前記外科シーンの様々な部分についての前記散乱の量に関する情報、及び(ii)前記1つ以上の発色団の各発色団の前記濃度に関する前記情報に基づいて、前記外科シーンでの組織の疾病部分の境界を決定するように構成される、請求項10に記載の撮像システム。
- 前記1つ以上の処理デバイスは、(i)前記外科シーンの様々な部分についての前記散乱の量に関する情報、及び(ii)前記1つ以上の発色団の各発色団の前記濃度に関する前記情報に基づいて、前記外科シーンに存在する1つ以上の組織タイプを識別するように構成される、請求項10に記載の撮像システム。
- 前記1つ以上の処理デバイスは、前記出力デバイスに前記外科シーンの前記表現を提示することに応答してユーザ入力を受信するように構成され、前記ユーザ入力は、前記外科シーンで前記外科デバイスを作動させることに関する、請求項1乃至13のうちのいずれか1項に記載の撮像システム。
- 1つ以上の処理デバイスに動作を実行させるためのコンピュータ可読命令を符号化する1つ以上の機械可読格納デバイスであって、
前記動作は、
内視鏡カメラから、外科シーンの複数の画像を得ることであって、前記複数の画像内の各画像は、対応する波長範囲内の電磁放射線による照明の下で得られ、前記対応する波長範囲は、前記外科シーン内に存在する発色団のセットに従って選択され、前記対応する波長範囲のうちの任意の2つは、少なくとも部分的に重なり合っていない、前記外科シーンの複数の画像を得ることと、
前記複数の画像に基づいて、前記外科シーンの様々な部分で前記セット内の1つ以上の発色団の各発色団の濃度を決定することを含み、前記濃度を決定することは、
前記複数の画像内の複数の画像に亘る画素値のセットを特定することであって、前記セット内の各画素値は、実質的に前記外科シーンの特定の部分を表す、特定することと、
発色団モデルに基づいて、前記複数の画像に亘る前記画素値のセットに対応する前記1つ以上の発色団の各発色団の前記濃度を決定することであって、前記発色団モデルは、発色団濃度及び画素値の組み合わせの間の関係を表す、決定することと、を含み、
前記動作は、
前記1つ以上の発色団の各発色団の前記濃度に関する情報に基づいて、前記外科シーンの表現を生成することと、
外科デバイスと関連付けられる出力デバイスに前記外科シーンの前記表現を提示させることとを含む、
1つ以上の機械可読格納デバイス。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024091538A JP2024107129A (ja) | 2018-12-05 | 2024-06-05 | 組織中の発色団濃度の決定 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862775463P | 2018-12-05 | 2018-12-05 | |
| US62/775,463 | 2018-12-05 | ||
| PCT/US2019/064542 WO2020117982A1 (en) | 2018-12-05 | 2019-12-04 | Determining chromophore concentrations in tissues |
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| WO2018043728A1 (ja) | 2016-09-02 | 2018-03-08 | Hoya株式会社 | 内視鏡システム及び特徴量算出方法 |
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