JP2020062371A - 医用画像処理装置、方法及びプログラム - Google Patents
医用画像処理装置、方法及びプログラム Download PDFInfo
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Abstract
Description
12 計算装置
14 CTスキャナ
15 スキャナ再構成回路
16 表示スクリーン
18 入力デバイス
20 メモリ
22 中央処理装置(CPU)
24 部分再構成回路
25 セグメンテーション回路
26 レジストレーション回路
28 画像生成回路
Claims (18)
- 血管に存在する特徴領域を含む第1データセットと、前記血管に関する造影領域を含む、複数の心時相に関する複数の第2データセットとを取得する取得部と、
前記第1データセットと前記複数の第2データセットとに基づいて、前記複数の心時相間の動きの補正と前記特徴領域の補正とを実行する補正部と、
を具備する医用画像処理装置。 - 前記補正部は、データ収集期間が前記複数の第2データセット間で異なる差分期間のデータに基づいて前記複数の心時相間の前記血管の動き量を計算する、請求項1記載の医用画像処理装置。
- 前記補正部は、前記第1データセットに部分再構成を実行して第1部分再構成画像を生成し、前記複数の第2データセットに部分再構成を実行して複数の第2部分再構成画像を生成し、前記第1部分再構成画像と前記複数の第2部分再構成画像とに基づいて前記複数の心時相間の前記血管の動き量を計算する、請求項1記載の医用画像処理装置。
- 前記複数の心時相のうちの第1の心時相に関する第2データセットと第2の心時相に関する第2データセットとは、データ収集期間が互いに重複しない第1の差分期間と第2の差分期間とを有し、
前記補正部は、前記第1の差分期間の第2データセットに基づく第2部分再構成画像と、前記第1の差分期間の第1データセットに基づく第1部分再構成画像との第1の差分画像を生成し、前記第2の差分期間の第2データセットに基づく第2部分再構成画像と、前記第2の差分期間の第1データセットに基づく第1部分再構成画像との第2の差分画像を生成し、前記第1の差分画像と前記第2の差分画像との差分画像に基づいて前記第1の心時相と前記第2の心時相との間の前記動き量を計算する、
請求項3記載の医用画像処理装置。 - 前記複数の第2データセットの1つは、医用スキャナによる第1スキャン期間における撮像領域の測定値を表し、
前記複数の第2データセットの他の1つは、前記医用スキャナによる前記第1スキャン期間に重複する第2スキャン期間における前記撮像領域の測定値を表し、
前記補正部は、
前記第1スキャン期間と前記第2スキャン期間との重なり中に取得された前記測定値を表すデータを前記1つと前記他の1つとから除き、少なくとも、前記1つと前記他の1つとに基づいて、前記第1スキャン期間と前記第2スキャン期間との間の動き量を計算する、請求項1記載の医用画像処理装置。 - 前記補正部は、前記動き量の空間分布を表すワープフィールドを決定し、前記ワープフィールドを前記複数の第2データセットに適用する、請求項1記載の医用画像処理装置。
- 前記補正部は、前記特徴領域の補正のために、前記複数の第2データセットから前記第1データセットを減算する、請求項1記載の医用画像処理装置。
- 前記特徴領域は、石灰化、ステント及びプラークの少なくとも1つを含む、請求項1記載の医用画像処理装置。
- 前記補正部は、前記動きの補正のため、レジストレーションと非剛体レジストレーションとの少なくとも一方を実行する、請求項1記載の医用画像処理装置。
- 前記複数の第2データセットのうちの前記動きの補正と前記特徴領域の補正とが施された第2データセットを用いて画像を再構成する画像生成部を更に備える、請求項1記載の医用画像処理装置。
- 前記画像に含まれる前記血管をセグメント化するセグメンテーション部を更に備え、請求項10記載の医用画像処理装置。
- 前記動きの補正と前記特徴領域の補正とは、前記画像に由来する少なくとも1つの制約を受ける、請求項10記載の医用画像処理装置。
- 前記動きの補正と前記特徴領域の補正とは、前記画像に由来する少なくとも1つのパラメータの値を最適化する制約を受けて実行される、請求項10記載の医用画像処理装置。
- 前記動きの補正と前記特徴領域の補正とが施された前記複数の第2データセットを用いて冠血流予備量比を算出する算出部を更に備える、請求項1記載の医用画像処理装置。
- 前記第1データセットは、非造影スキャンにより収集され、
前記複数の第2データセットは、造影スキャンにより収集される、
請求項1記載の医用画像処理装置。 - 前記第1データセットは、カルシウムスコアリングスキャンにより収集され、
前記複数の第2データセットは、冠動脈造影スキャンにより収集される、
請求項1記載の医用画像処理装置。 - 血管に存在する特徴領域を含む第1データセットと、前記血管に関する造影領域を含む、複数の心時相に関する複数の第2データセットとを取得し、
前記第1データセットと前記複数の第2データセットとに基づいて、前記複数の心時相間の動きの補正と前記特徴領域の補正とを実行する、
ことを具備する医用画像処理方法。 - コンピュータに、
血管に存在する特徴領域を含む第1データセットと、前記血管に関する造影領域を含む、複数の心時相に関する複数の第2データセットとを取得する機能と、
前記第1データセットと前記複数の第2データセットとに基づいて、前記複数の心時相間の動きの補正と前記特徴領域の補正とを実行する機能と、
を実現させる医用画像処理プログラム。
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US16/161,134 | 2018-10-16 | ||
US16/161,134 US10854329B2 (en) | 2018-10-16 | 2018-10-16 | Motion estimation method and apparatus |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012030089A (ja) * | 2011-09-26 | 2012-02-16 | Toshiba Corp | X線診断装置 |
JP2012200285A (ja) * | 2011-03-23 | 2012-10-22 | Toshiba Corp | 画像処理装置、x線ct装置、及び画像処理方法 |
JP2015506774A (ja) * | 2012-02-14 | 2015-03-05 | コーニンクレッカ フィリップス エヌ ヴェ | 画像解像度向上 |
JP2016005549A (ja) * | 2014-05-29 | 2016-01-14 | 東芝メディカルシステムズ株式会社 | 医用画像処理装置 |
JP2017508541A (ja) * | 2014-03-26 | 2017-03-30 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 冠状血管の医用イメージングのためのデバイス及び方法 |
JP2018020120A (ja) * | 2016-08-02 | 2018-02-08 | 東芝メディカルシステムズ株式会社 | 医用画像処理装置及び医用画像処理プログラム |
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WO2007060572A2 (en) | 2005-11-24 | 2007-05-31 | Philips Intellectual Property & Standards Gmbh | Motion compensated ct reconstruction of high contrast objects |
US8194937B2 (en) | 2007-12-20 | 2012-06-05 | Wisconsin Alumni Research Foundation | Method for dynamic prior image constrained image reconstruction |
US8761478B2 (en) | 2009-12-15 | 2014-06-24 | General Electric Company | System and method for tomographic data acquisition and image reconstruction |
US8611630B1 (en) | 2010-06-04 | 2013-12-17 | University Of Central Florida Research Foundation, Inc. | Algorithm for motion estimation from the tomographic data |
US8638999B2 (en) | 2012-04-16 | 2014-01-28 | General Electric Company | Methods for generating a reconstructed tree structure from medical image data |
WO2016083068A1 (en) * | 2014-11-25 | 2016-06-02 | Koninklijke Philips N.V. | Digital subtraction angiography |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012200285A (ja) * | 2011-03-23 | 2012-10-22 | Toshiba Corp | 画像処理装置、x線ct装置、及び画像処理方法 |
JP2012030089A (ja) * | 2011-09-26 | 2012-02-16 | Toshiba Corp | X線診断装置 |
JP2015506774A (ja) * | 2012-02-14 | 2015-03-05 | コーニンクレッカ フィリップス エヌ ヴェ | 画像解像度向上 |
JP2017508541A (ja) * | 2014-03-26 | 2017-03-30 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 冠状血管の医用イメージングのためのデバイス及び方法 |
JP2016005549A (ja) * | 2014-05-29 | 2016-01-14 | 東芝メディカルシステムズ株式会社 | 医用画像処理装置 |
JP2018020120A (ja) * | 2016-08-02 | 2018-02-08 | 東芝メディカルシステムズ株式会社 | 医用画像処理装置及び医用画像処理プログラム |
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