JP6243453B2 - 血管内画像におけるマルチモーダルセグメンテーション - Google Patents
血管内画像におけるマルチモーダルセグメンテーション Download PDFInfo
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Description
本願は、2013年3月7日出願の米国仮特許出願第61/774,154号に基づく利益及び優先権を主張するものであり、参照により全内容を本願に援用する。
特許、特許出願、特許公開、ジャーナル、本、論文、ウェブコンテンツ等、他の文書が、本開示を通して参照及び引用される。そのような文書は全て、全内容が全ての目的のため参照により本願に援用される。
本発明は、その真意又は必須の特徴から逸脱することなく、他の特定の形で具体化されてもよい。上記の実施形態は、従って、あらゆる点で、本明細書において記載される本発明に対して限定的ではなく例示的であると考慮されることになる。本発明の範囲は、従って、上記の説明によってではなく、付随の特許請求の範囲によって示されており、従って、特許請求の範囲の同等物の意味及び範囲にある全ての変更が、その中に含まれると意図される。
Claims (19)
- プロセッサを含む、血管画像における関心のある特徴を検出するシステムの作動方法であって、
前記プロセッサが、第1のイメージングモダリティから情報を受け取り、さらに、前記第1のイメージングモダリティからの情報を第1の座標空間に変換するステップであり、前記第1のイメージングモダリティは、患者の血管内に置かれる血管内装置に付随した血管内イメージングモダリティを含む、ステップ、
前記プロセッサが、第2のイメージングモダリティから情報を受け取り、さらに、前記第2のイメージングモダリティからの情報を第2の座標空間に変換するステップであり、前記第2のイメージングモダリティは、超音波、光音響イメージング、バーチャルヒストロジー血管内超音波(VH−IVUS)、光干渉断層撮影(OCT)、X線血管造影、蛍光透視又は磁気共鳴画像処理(MRI)のうち少なくとも1つを含む、ステップ、
前記プロセッサが、前記第1の座標空間と前記第2の座標空間とを整列させ、その結果、前記第1のイメージングモダリティからの情報と前記第2のイメージングモダリティからの情報とを組み合わせて、組み合わされたデータセットにするステップ、及び、
前記プロセッサが、前記組み合わされたデータセットに基づき、血管画像における関心のある特徴を検出するステップであり、関心のある特徴の検出は、前記組み合わされたデータセットに基づき前記関心のある特徴を検出するためにアルゴリズムを訓練すること、及び、前記組み合わされたデータセットに基づき前記関心のある特徴に対する検索を初期化することを含む、ステップ、
を含む作動方法。 - 前記第1のイメージングモダリティは、前記第2のイメージングモダリティとは異なる、請求項1に記載の作動方法。
- 前記第1のイメージングモダリティ及び前記第2のイメージングモダリティから情報を受け取ることは、前記関心のある特徴に関する情報を受け取ることを含む、請求項1に記載の作動方法。
- 前記関心のある特徴は、生物学的な関心のある特徴を含む、請求項1に記載の作動方法。
- 前記生物学的な関心のある特徴は、血管又は管腔壁である、請求項4に記載の作動方法。
- 前記関心のある特徴は、非生物学的な関心のある特徴を含む、請求項1に記載の作動方法。
- 前記非生物学的な関心のある特徴はステントである、請求項6に記載の作動方法。
- 治療手技後の改善の程度を決定するシステムであって、
プロセッサと、
命令を含むコンピュータ可読記憶媒体と、
を含み、
前記命令は、実行された場合に、当該システムに、
患者の血管内に置かれる血管内装置に付随した血管内イメージングモダリティを含む第1のイメージングモダリティから情報を受け取らせ、さらに、前記第1のイメージングモダリティからの情報を第1の座標空間に変換させ、
超音波、光音響イメージング、バーチャルヒストロジー血管内超音波(VH−IVUS)、光干渉断層撮影(OCT)、X線血管造影、蛍光透視又は磁気共鳴画像処理(MRI)のうち少なくとも1つを含む第2のイメージングモダリティから情報を受け取らせ、さらに、前記第2のイメージングモダリティからの情報を第2の座標空間に変換させ、
前記第1の座標空間と前記第2の座標空間とを整列させ、その結果、前記第1のイメージングモダリティからの情報と前記第2のイメージングモダリティからの情報とを組み合わせて、組み合わされたデータセットにさせ、さらに、
前記組み合わされたデータセットに基づき、血管画像における関心のある特徴を検出させ、関心のある特徴の検出は、前記組み合わされたデータセットに基づき前記関心のある特徴を検出するためにアルゴリズムを訓練すること、及び、前記組み合わされたデータセットに基づき前記関心のある特徴に対する検索を初期化することを含む、システム。 - 情報を受け取らせることは、前記関心のある特徴に関する情報を受け取らせることを含む、請求項8に記載のシステム。
- 前記関心のある特徴は、生物学的な関心のある特徴を含む、請求項8に記載のシステム。
- 前記生物学的な関心のある特徴は、血管又は管腔壁である、請求項10に記載のシステム。
- 前記関心のある特徴は、非生物学的な関心のある特徴を含む、請求項8に記載のシステム。
- 前記非生物学的な関心のある特徴はステントである、請求項12に記載のシステム。
- 前記コンピュータ可読記憶媒体は、当該システムに前記アルゴリズムを訓練させるように作動可能な命令をさらに含み、
前記第1のイメージングモダリティを用いて第1の画像を取得させる、
前記第1の画像内の前記関心のある特徴を同定させる、
前記第1の画像内の関心のある特徴に関連する位置データを取得させる、
前記第2のイメージングモダリティを用いて第2の画像を取得させる、
前記第2の画像内の前記関心のある特徴を同定させる、
前記第2の画像内の関心のある特徴に関連する位置データを取得させる、
前記第1の画像からの前記位置データと前記第2の画像からの前記位置データとを組み合させる、さらに、
結果として生じるデータセットを使用させて、前記第1のイメージングモダリティ及び前記第2のイメージングモダリティのうち少なくとも1つにおいて前記関心のある特徴を前記アルゴリズムが検出するのを可能にする、
命令を含む、請求項8に記載のシステム。 - 前記コンピュータ可読記憶媒体は、前記アルゴリズムを訓練させる命令をさらに含み、前記アルゴリズムを訓練させることは、一連の反復ステップを含み、連続的なステップが、以前のステップにおいて評価されたデータと組み合わせて新たなデータを評価する、請求項8に記載のシステム。
- 血管画像における関心のある特徴を検出するシステムであって、
プロセッサと、
命令を含むコンピュータ可読記憶媒体と、
を含み、
前記命令は、実行された場合に、当該システムに、
患者の血管内に置かれる血管内装置に付随した血管内イメージングモダリティを含む第1のイメージングモダリティから位置データを受け取らせ、さらに、前記位置データを第1の座標のセットに変換させ、
前記第1のイメージングモダリティとは異なる第2のイメージングモダリティから位置データを受け取らせ、さらに、前記位置データを第2の座標のセットに変換させ、
前記第1の座標のセットと前記第2の座標のセットとを整列させることによって、組み合わされたデータセットを作成させ、さらに、
前記組み合わされたデータセットに基づき、血管画像における関心のある特徴を検出させる、
システム。 - 位置データは、前記関心のある特徴の位置に関するデータを含む、請求項16に記載のシステム。
- 前記第2のイメージングモダリティは、バーチャルヒストロジー血管内超音波(VH−IVUS)、光干渉断層撮影(OCT)、X線血管造影及び磁気共鳴画像処理(MRI)を含む群から選択される、請求項16に記載のシステム。
- 前記コンピュータ可読記憶媒体は、実行された場合に当該システムに、前記組み合わされたデータセットを使用して、前記関心のある特徴を検出するためにアルゴリズムを訓練させる命令をさらに含む、請求項16に記載のシステム。
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Application Number | Priority Date | Filing Date | Title |
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US201361774154P | 2013-03-07 | 2013-03-07 | |
US61/774,154 | 2013-03-07 | ||
PCT/US2014/021659 WO2014138555A1 (en) | 2013-03-07 | 2014-03-07 | Multimodal segmentation in intravascular images |
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JP2016525893A JP2016525893A (ja) | 2016-09-01 |
JP2016525893A5 JP2016525893A5 (ja) | 2017-06-22 |
JP6243453B2 true JP6243453B2 (ja) | 2017-12-06 |
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US (1) | US9770172B2 (ja) |
EP (1) | EP2965263B1 (ja) |
JP (1) | JP6243453B2 (ja) |
CN (2) | CN113705586A (ja) |
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WO2014162367A1 (ja) * | 2013-04-05 | 2014-10-09 | テルモ株式会社 | 画像診断装置及びプログラム |
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