JP2021530303A - 深層学習による超音波イメージング、並びに関連デバイス、システム、及び方法 - Google Patents
深層学習による超音波イメージング、並びに関連デバイス、システム、及び方法 Download PDFInfo
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Abstract
Description
Claims (26)
- プロセッサを含む、超音波イメージングシステムであって、前記プロセッサは、
超音波トランスデューサから生成された被検者の解剖学的構造を表す超音波チャネルデータを受信し、
前記超音波チャネルデータに予測ネットワークを適用して前記被検者の解剖学的構造の画像を生成し、
前記被検者の解剖学的構造の前記画像を、プロセッサと通信するディスプレイに出力する、
超音波イメージングシステム。 - 前記超音波トランスデューサは、音響素子のアレイを含み、前記超音波チャネルデータは、複数の超音波エコーチャネルデータストリームを含み、前記複数の超音波エコーチャネルデータストリームのそれぞれは、前記音響素子のアレイの1つの音響素子から生成される、請求項1に記載の超音波イメージングシステム。
- 前記複数の超音波エコーチャネルデータストリームは、前記被検者の解剖学的構造を表す無線周波数(RF)データを含む、請求項2に記載の超音波イメージングシステム。
- 前記プロセッサはさらに、
前記予測ネットワークを適用する前に、前記RFデータを同相直交位相(IQ)データに変換する、請求項3に記載の超音波イメージングシステム。 - 前記プロセッサはさらに、
前記予測ネットワークを適用する前に、前記超音波エコーチャネルデータストリームに対してビーム形成処理を行う、請求項2に記載の超音波イメージングシステム。 - 前記画像は、前記被検者の解剖学的構造の形態学的情報、前記被検者の解剖学的構造の機能情報、又は前記被検者の解剖学的構造の定量的測定値の少なくとも1つを含む、請求項1に記載の超音波イメージングシステム。
- 前記画像は、前記被検者の解剖学的構造のBモード情報、前記被検者の解剖学的構造のストレス情報、前記被検者の解剖学的構造の弾性情報、前記被検者の解剖学的構造の組織ドップラー情報、又は前記被検者の解剖学的構造の血流ドップラー情報の少なくとも1つを含む、請求項1に記載の超音波イメージングシステム。
- 前記予測ネットワークは、
テスト超音波チャネルデータ、及び、テスト物体を表す対応するテスト画像を提供することと、
前記テスト超音波チャネルデータから前記テスト画像を生成するように前記予測ネットワークをトレーニングすることと、
によってトレーニングされる、請求項1に記載の超音波イメージングシステム。 - 前記テスト画像は、前記テスト超音波チャネルデータに対して、ビーム形成処理、Bモード処理、ドップラー処理、又はスキャン変換処理の少なくとも1つを行うことによって、前記テスト超音波チャネルデータから生成される、請求項8に記載の超音波イメージングシステム。
- 前記テスト超音波チャネルデータは、超音波トランスデューサ構成パラメータに基づいて前記テスト画像から生成される、請求項8に記載の超音波イメージングシステム。
- 前記テスト超音波チャネルデータは、無線周波数(RF)データ、同相直交位相(IQ)データ、又はビーム形成済みデータの少なくとも1つを含む、請求項8に記載の超音波イメージングシステム。
- 前記超音波トランスデューサを含む超音波イメージングプローブをさらに含み、前記プロセッサは、前記超音波トランスデューサと通信し、前記超音波トランスデューサから前記超音波チャネルデータを受信する、請求項1に記載の超音波イメージングシステム。
- 前記超音波イメージングプローブが、前記プロセッサを含む、請求項12に記載の超音波イメージングシステム。
- 超音波トランスデューサから生成された被検者の解剖学的構造を表す超音波チャネルデータを受信するステップと、
前記超音波チャネルデータに予測ネットワークを適用して、前記被検者の解剖学的構造の画像を生成するステップと、
ディスプレイによって前記被検者の解剖学的構造の前記画像を表示するステップと、
を含む、超音波イメージング方法。 - 前記超音波トランスデューサは、音響素子のアレイを含み、前記超音波チャネルデータは、複数の超音波エコーチャネルデータストリームを含み、前記複数の超音波エコーチャネルデータストリームのそれぞれは、前記音響素子のアレイの1つの音響素子から生成される、請求項14に記載の超音波イメージング方法。
- 前記複数の超音波エコーチャネルデータストリームは、前記被検者の解剖学的構造を表す無線周波数(RF)データを含む、請求項15に記載の超音波イメージング方法。
- 前記予測ネットワークを適用する前に、前記RFデータを同相直交位相(IQ)データに変換するステップをさらに含む、請求項16に記載の超音波イメージング方法。
- 前記予測ネットワークを適用する前に、前記超音波エコーチャネルデータストリームに対してビーム形成処理を行うステップをさらに含む、請求項15に記載の超音波イメージング方法。
- 前記画像は、前記被検者の解剖学的構造の形態学的情報、前記被検者の解剖学的構造の機能情報、又は前記被検者の解剖学的構造の定量的測定値の少なくとも1つを含む、請求項14に記載の超音波イメージング方法。
- 前記画像は、前記被検者の解剖学的構造のBモード情報、前記被検者の解剖学的構造のストレス情報、前記被検者の解剖学的構造の弾性情報、前記被検者の解剖学的構造の組織ドップラー情報、又は前記被検者の解剖学的構造の血流ドップラー情報の少なくとも1つを含む、請求項14に記載の超音波イメージング方法。
- 画像を生成するためのシステムであって、
少なくとも1つの機械学習ネットワークを記憶するメモリと、
前記メモリと通信するプロセッサと、
を含み、
前記プロセッサは、
超音波トランスデューサから生成された生のチャネルデータを受信し、
前記機械学習ネットワークを前記生のチャネルデータに適用して1つ以上の画像処理ステップを置換し、それによって修正データを生成し、
前記修正データを使用して画像を生成し、
前記機械学習ネットワークは、1つ以上のターゲット画像の複数の超音波画像を使用してトレーニングされ、
生成された前記画像は、前記1つ以上のターゲット画像の特徴を含む、
システム。 - 前記複数の超音波画像は、シミュレートされる、請求項21に記載のシステム。
- 前記1つ以上の画像処理ステップは、ビーム形成処理、フィルタリング処理、ダイナミックレンジ適用処理、及び圧縮処理を含む、請求項21に記載のシステム。
- 前記1つ以上のターゲット画像は、写真画像を含む、請求項21に記載のシステム。
- 前記特徴は、約1波長以下の解像度を含む、請求項21に記載のシステム。
- 前記特徴は、ある量のスペックルを含む、請求項21に記載のシステム。
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CN113499096B (zh) * | 2021-06-21 | 2022-10-25 | 西安交通大学 | 一种超声跨尺度和多参量检测的成像平台及方法 |
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