JP2004500915A5 - - Google Patents

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JP2004500915A5
JP2004500915A5 JP2001577820A JP2001577820A JP2004500915A5 JP 2004500915 A5 JP2004500915 A5 JP 2004500915A5 JP 2001577820 A JP2001577820 A JP 2001577820A JP 2001577820 A JP2001577820 A JP 2001577820A JP 2004500915 A5 JP2004500915 A5 JP 2004500915A5
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JP
Japan
Prior art keywords
imaging system
input signal
ultrasonic imaging
medical ultrasonic
soft tissue
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JP2001577820A
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English (en)
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JP2004500915A (ja
JP5048903B2 (ja
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Priority claimed from US09/556,354 external-priority patent/US6398733B1/en
Priority claimed from US09/791,405 external-priority patent/US6579238B1/en
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Publication of JP2004500915A publication Critical patent/JP2004500915A/ja
Publication of JP2004500915A5 publication Critical patent/JP2004500915A5/ja
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Publication of JP5048903B2 publication Critical patent/JP5048903B2/ja
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２つの信号は、これらの信号のスケールファクタが等しいか、またはスケールファクタが等しくないにかかわらず、「比較可能である」と言われる。「軟組織」という語は、分解不能な微細構造のためにスペックルを形成する任意の目標物のことを表す。

Claims (4)

  1. 受信入力信号を取得して出力信号を表示する医用超音波イメージングシステムにおける適応形の対応付け方法において、
    （ａ） 前記入力信号のばらつきの統計的尺度を決定し、
    （ｂ） 少なくとも部分的に、前記の（ａ）の統計的尺度に基づいて、軟組織に相応する入力信号の部分を識別し（２７ｂ）、
    （ｃ） 前記の（ｂ）で識別された入力信号の部分を、出力信号値の軟組織レンジに対応付ける（２７ｅ）ことを特徴とする、
    医用超音波イメージングシステムにおける適応形の対応付け方法。
  2. エコー信号パラメタを表す入力信号を取得して出力信号を表示する医用超音波イメージングシステムにおける適応形の対応付け方法において、
    （ａ） 前記入力信号の振幅のばらつきの統計的尺度を決定し、
    （ｂ） 少なくとも部分的に、前記の（ａ）の統計的尺度に基づいて、実質的に軟組織に相応する入力信号の部分を識別し（２７ｂ）、
    （ｃ） 前記の（ｂ）で識別された入力信号の部分の平均振幅を、実質的に目標表示値で表示することを特徴とする、
    医用超音波イメージングシステムにおける適応形の対応付け方法。
  3. 医用超音波イメージングシステムにおける適応形の対応付け方法において、
    （ａ） 超音波画像における軟組織平均振幅を、前記画像の複数の個所にて決定し（１１０）、
    （ｂ） 前記画像の軟組織平均振幅に曲面を当てはめ（１１６）、
    （ｃ） 少なくとも部分的に前記の（ｂ）で当てはめられた曲面に基づいて、前記システムのゲインを適応的に変更する（１１８）ことを特徴とする、
    医用超音波イメージングシステムにおける適応形の対応付け方法。
  4. 医用超音波イメージングシステムにおける適応形の対応付け方法において、
    （ａ） 超音波画像における軟組織平均振幅を、前記画像の複数の個所にて決定し（２７ｂ）、
    （ｂ） 前記の画像の複数の個所にてノイズ値を決定し（２７ｂ）、
    （ｃ） 少なくとも部分的に、前記の（ａ）の軟組織平均振幅および（ｂ）のノイズ値に基づいて、前記システムのゲインを適応的に変更する（１１８）ことを特徴とする、
    医用超音波イメージングシステムにおける適応形の対応付け方法。
JP2001577820A 2000-04-24 2001-04-17 適応形多次元バックエンドマッピングを有する医用超音波イメージングシステム Expired - Lifetime JP5048903B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/556,354 US6398733B1 (en) 2000-04-24 2000-04-24 Medical ultrasonic imaging system with adaptive multi-dimensional back-end mapping
US09/556,354 2000-04-24
US09/791,405 US6579238B1 (en) 2000-04-24 2001-02-23 Medical ultrasonic imaging system with adaptive multi-dimensional back-end mapping
US09/791,405 2001-02-23
PCT/US2001/012438 WO2001080714A2 (en) 2000-04-24 2001-04-17 Medical ultrasonic imaging system with adaptive multi-dimensional back-end mapping

Publications (3)

Publication Number Publication Date
JP2004500915A JP2004500915A (ja) 2004-01-15
JP2004500915A5 true JP2004500915A5 (ja) 2012-04-12
JP5048903B2 JP5048903B2 (ja) 2012-10-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001577820A Expired - Lifetime JP5048903B2 (ja) 2000-04-24 2001-04-17 適応形多次元バックエンドマッピングを有する医用超音波イメージングシステム

Country Status (5)

Country Link
US (1) US6579238B1 (ja)
JP (1) JP5048903B2 (ja)
AU (1) AU2001253580A1 (ja)
DE (1) DE10196119B4 (ja)
WO (1) WO2001080714A2 (ja)

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