JP2015517324A - 撮像温度測定 - Google Patents
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Abstract
Description
Claims (25)
- 被検体の関心ボリューム又は関心領域を表す画像データボクセル又はピクセルに関する温度マップを、前記関心ボリューム又は関心領域内の温度変化を指し示すボクセル又はピクセルを含んだ温度測定画像データと、温度に対する値の変化の所定のルックアップテーブルと、に基づいて生成する温度マップ生成部と、
前記温度マップを前記関心ボリューム又は関心領域の画像データとともに視覚的に提示するディスプレイと、
を有するコンピューティング装置。 - 前記温度変化は、介入手順による加熱に対応し、視覚的に提示される前記温度マップは、前記介入手順が完了したかを指し示す、請求項1に記載のコンピューティング装置。
- 視覚的に提示される前記温度マップは、介入手順マージンが適切であるかを指し示す、請求項2に記載のコンピューティング装置。
- ベースライン画像データと、その後に収集された間欠画像データとに基づいて温度測定画像データを生成する温度測定画像生成部であり、前記関心ボリューム又は関心領域が、前記ベースライン画像データの収集と前記間欠画像データの収集との間に加熱される、温度測定画像生成部、
を更に有する請求項1乃至3の何れかに記載のコンピューティング装置。 - 前記ベースライン画像データ及び前記間欠画像データは、低い、あるいは高い解像度の画像データを含み、前記温度測定画像生成部は、低い、あるいは高い画像データ解像度アルゴリズムを用いて前記温度測定画像データを生成する、請求項4に記載のコンピューティング装置。
- 前記温度測定画像生成部は、ロンスキー変化ディテクタアルゴリズムを用いて前記温度測定画像データを生成する、請求項4又は5に記載のコンピューティング装置。
- 前記ベースライン画像データと前記間欠画像データとを受信してレジストレーションする画像レジストレーション部であり、レジストレーションされた画像データに基づいて前記温度測定画像生成部が前記温度測定画像データを生成する、画像レジストレーション部、
を更に有する請求項4乃至6の何れかに記載のコンピューティング装置。 - 前記画像レジストレーション部は、デフォーマブルレジストレーションアルゴリズムを用いて、前記ベースライン画像データと前記間欠画像データとをレジストレーションする、請求項7に記載のコンピューティング装置。
- 前記デフォーマブルレジストレーションアルゴリズムは、前記ベースライン画像データ及び前記間欠画像データを取得するための収集の間の前記関心ボリューム又は関心領域の動きを補償する、請求項8に記載のコンピューティング装置。
- 前記関心ボリューム又は関心領域は、治療されるべき組織内に位置する介入装置針の周りに定められたマージンを含む、請求項1乃至9の何れかに記載のコンピューティング装置。
- 前記温度マップは、前記関心ボリューム又は関心領域の異なる領域間の相対的な温度差を指し示す所定のグレースケールを用いて表示される、請求項1乃至10の何れかに記載のコンピューティング装置。
- 前記温度マップは、灰色レベルを対応する温度値にマッピングする凡例を含む、請求項11に記載のコンピューティング装置。
- 前記温度マップは、前記関心ボリューム又は関心領域の異なる領域間の相対的な温度差を指し示す所定のカラーマップを用いて表示される、請求項1乃至10の何れかに記載のコンピューティング装置。
- 前記温度マップは、色を対応する温度値にマッピングする凡例を含む、請求項13に記載のコンピューティング装置。
- 被検体の関心ボリューム又は関心領域を表す画像データボクセル又はピクセルに関する温度マップを、前記関心ボリューム又は関心領域内の温度変化を指し示すボクセル又はピクセルを含んだ温度測定画像データと、温度に対するボクセル値又はピクセル値の変化の所定のルックアップテーブルと、に基づいて生成する、
ことを有する方法。 - 前記温度マップを前記関心ボリューム又は関心領域の画像データとともに視覚的に提示する、
ことを更に有する請求項15に記載の方法。 - 前記温度マップは、前記関心ボリューム又は関心領域の異なる領域間の相対的な温度差を指し示す所定のグレースケール又はカラーマッピングを用いて表示される、請求項16に記載の方法。
- 灰色レベル又は色を対応する温度値にマッピングする凡例を、前記温度マップとともに視覚的に提示する、
ことを更に有する請求項17に記載の方法。 - 前記温度マップを用いて、前記関心ボリューム又は関心領域の治療組織に関する介入手順の計画を調整する、
ことを更に有する請求項15乃至17の何れかに記載の方法。 - 前記調整は、前記介入手順を続けること又は前記介入手順を終了することのうちの少なくとも一方を含む、請求項15乃至17の何れかに記載の方法。
- 前記関心ボリューム又は関心領域に熱が投与される前に収集されたベースライン画像データと、前記関心ボリューム又は関心領域に熱が投与された後に収集された間欠画像データとに基づいて、温度測定画像データを生成する、
ことを更に有する請求項15乃至18の何れかに記載の方法。 - 前記温度測定画像データを生成することは、ロンスキー変化ディテクタアルゴリズムを用いて前記温度測定画像データを生成する、請求項21に記載の方法。
- 当該方法は更に、前記ベースライン画像データと前記間欠画像データとをレジストレーションすることを有し、レジストレーションされた画像データに基づいて前記温度測定画像データが生成される、請求項21又は22に記載の方法。
- 前記レジストレーションすることは、前記関心ボリューム又は関心領域の動きを補償するデフォーマブルレジストレーションアルゴリズムを用いて、前記ベースライン画像データと前記間欠画像データとをレジストレーションする、請求項23に記載の方法。
- コンピュータ読み取り可能命令をエンコードしたコンピュータ読み取り可能記憶媒体であって、前記コンピュータ読み取り可能命令は、プロセッサによって実行されるときに該プロセッサに、介入手順中の被検体の関心ボリューム又は関心領域を表す画像データボクセル又はピクセルに関する温度マップを、前記関心ボリューム又は関心領域内の温度変化を指し示すボクセル又はピクセルを含んだ温度測定画像データと、温度に対するボクセル値又はピクセル値の変化の所定のルックアップテーブルと、に基づいて生成させて表示させる、コンピュータ読み取り可能記憶媒体。
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