JP6902625B2 - 確率マップに基づいた超音波検査 - Google Patents
確率マップに基づいた超音波検査 Download PDFInfo
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Description
Claims (15)
- 関心の対象に超音波信号を伝送し、
前記伝送された超音波信号に関連付けられたエコー情報を受信する
ように構成されたプローブと、
前記受信したエコー情報を機械学習アルゴリズムを使用して処理して、前記関心の対象に関連付けられた確率情報を生成し、当該確率情報は、処理された前記エコー情報に関連する部分または画像の画素が前記関心の対象内にある値を含むように構成され、
前記関心の対象を識別するために前記確率情報を処理し、ここで、当該確率情報を処理するとき、少なくとも1つの処理デバイスは、前記確率情報を二値化または分類するか、またはルックアップテーブルを前記確率情報に適用するように構成され、
前記処理された確率情報に基づいて前記関心の対象に対応する画像情報を出力する
ように構成された少なくとも1つの処理デバイスと、を備えるシステム。 - 前記確率情報を処理するとき、前記少なくとも1つの処理デバイスが、前記確率情報を二値化するように構成され、前記少なくとも1つの処理デバイスが、
前記二値化された確率情報に基づいて、前記関心の対象に関連付けられた容積、長さ、高さ、幅、深さ、直径、又は面積のうちの少なくとも1つを推定するようにさらに構成される、請求項1に記載のシステム。 - 前記機械学習アルゴリズムが、畳み込みニューラル・ネットワーク・アルゴリズムを含み、
前記画像情報を受信し、前記画像情報を表示するように構成されたディスプレイをさらに備える、請求項1または請求項2に記載のシステム。 - 前記ディスプレイが、
前記受信したエコー情報に対応するBモード画像データと、前記関心の対象に対応する出力画像情報とを同時に表示するようにさらに構成される、請求項3に記載のシステム。 - 前記関心の対象が膀胱を含み、
前記少なくとも1つの処理デバイスが、
前記プローブを前記関心の対象に向けるために照準命令を生成するようにさらに構成される、請求項1に記載のシステム。 - 前記少なくとも1つの処理デバイスが、
被験者の性別情報、前記被験者が子供であることを示す情報、前記被験者の年齢情報、前記被験者の年齢の範囲情報、前記被験者の肥満度指数情報、前記被験者の対象の病歴情報または前記被験者の身体検査によって得られた情報のうちの少なくとも1つを含む情報を受信し、
前記受信した情報に基づいて前記受信したエコー情報を処理するようにさらに構成される、請求項1に記載のシステム。 - 前記少なくとも1つの処理デバイスが、
被験者の人口統計学的情報、前記被験者の臨床情報、又は前記プローブに関連付けられたデバイス情報のうちの少なくとも1つを自動的に判定し、
前記自動的に判定された情報に基づいて前記受信したエコー情報を処理するようにさらに構成される、請求項1に記載のシステム。 - 前記受信したエコー情報を処理するとき、前記少なくとも1つの処理デバイスが、
前記受信したエコー情報を処理して、出力画像データを生成し、
前記出力画像データに関連付けられた画素を処理し、
処理された画素それぞれの値を判定し、
ピーク値を特定し、
前記ピーク値に関連付けられた点の周りの区域を埋めて、前記関心の対象の一部を特定するように構成される、請求項1に記載のシステム。 - 前記受信したエコー情報を処理するとき、前記少なくとも1つの処理デバイスが、
前記伝送された超音波信号に関連付けられた周波数に関連する高次高調波情報を特定し、
前記確率情報を処理するとき、前記少なくとも1つの処理デバイスが、前記特定された高次高調波情報に基づいて前記確率情報を生成するように構成される、請求項1に記載のシステム。 - 前記プローブが、前記受信したエコー情報を、無線インタフェースを介して前記少なくとも1つの処理デバイスに伝送するように構成される、請求項1に記載のシステム。
- 前記関心の対象が、大動脈、前立腺、心臓、子宮、腎臓、血管、羊水、又は胎児のうちの1つを含む、請求項1に記載のシステム。
- 超音波スキャナを介して、超音波信号を関心の対象に伝送するステップと、
前記伝送された超音波信号に関連付けられたエコー情報を受信するステップと、
前記受信したエコー情報を機械学習アルゴリズムを使用して処理して、前記関心の対象に関連付けられた確率情報を生成するステップであって、当該確率情報は、処理された前記エコー情報に関連する部分または画像の画素が前記関心の対象内にある値を含むように構成される、ステップと、
前記関心の対象を識別するために前記確率情報を処理するステップであって、当該確率情報を処理するとき、少なくとも1つの処理デバイスは、前記確率情報を二値化または分類するか、またはルックアップテーブルを前記確率情報に適用するように構成される、ステップと、
前記処理された確率情報に基づいて前記関心の対象に対応する画像情報を出力するステップと、を含む方法。 - 前記確率情報を分類するステップが、前記確率情報を二値化することを含み、前記方法が、
前記二値化された確率情報に基づいて、前記関心の対象に関連付けられた容積、長さ、高さ、幅、深さ、直径、又は面積のうちの少なくとも1つを推定するステップと、
前記容積、長さ、高さ、幅、深さ、直径、又は面積のうちの前記少なくとも1つをディスプレイに出力するステップと、をさらに含む、請求項12に記載の方法。 - 前記エコー情報に対応するBモード画像データと、前記関心の対象に対応する出力画像情報とを同時に表示するステップをさらに含む、請求項12に記載の方法。
- 被験者の性別情報、前記被験者の年齢情報、前記被験者の年齢の範囲情報、前記被験者の肥満度指数情報、前記被験者の対象の病歴情報または前記被験者の身体検査によって得られた情報のうちの少なくとも1つを含む情報を受信するステップと、
前記受信した情報に基づいて前記受信したエコー情報を処理するステップと、をさらに含む、請求項12に記載の方法。
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