JP2018537132A - 関心領域の動的設定可能な2次元x線検出器、これを含むコーンビームct装置及びその動作方法 - Google Patents
関心領域の動的設定可能な2次元x線検出器、これを含むコーンビームct装置及びその動作方法 Download PDFInfo
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Abstract
【選択図】
Description
110、201、601:X線源
120、202、600、400:2次元X線検出器
130:投影映像(投影データ)
203:回転中心軸
603:対象体の関心領域
604:対象体内部の中心点
605、401:関心領域
606:関心領域の中心点
402:関心領域の座標
403:関心領域の幅
404:関心領域の高さ
405:水平方向
Claims (10)
- フレームごとに関心領域の位置及びサイズの設定可能な関心領域テーブルと、
前記関心領域テーブルに基づいて前記関心領域を制御する関心領域制御部と、
を含む2次元X線検出器。 - 前記関心領域制御部は、前記関心領域に照射されたX線によって投影される関心領域投影データを取得して送信する、請求項1に記載の2次元X線検出器。
- 関心以外の領域に照射されたX線によって投影される関心領域以外の投影データにビニング方法を適用して投影データ量を縮小するビニング処理部をさらに含む、請求項1に記載の2次元X線検出器。
- フレームごとに関心領域(region−of−interest:ROI)の位置及びサイズの設定可能な関心領域テーブルに基づいて前記関心領域を制御し、前記制御された関心領域に照射されたX線によって投影される投影データを処理する2次元X線検出器と、
前記投影データに映像再構成アルゴリズムを適用して断層映像を再構成する映像処理部と、
を含むコーンビームCT装置。 - 前記2次元X線検出器は、
フレームごとに前記関心領域の位置及びサイズの設定可能な関心領域テーブルと、
前記関心領域テーブルに基づいて前記関心領域を制御する関心領域制御部と、
を含む、請求項4に記載のコーンビームCT装置。 - 前記関心領域制御部は、前記関心領域に照射されたX線によって投影される関心領域投影データを取得して送信する、請求項5に記載のコーンビームCT装置。
- 前記2次元X線検出器は、関心以外の領域に照射されたX線によって投影される関心領域以外の投影データにビニング方法を適用して投影データ量を縮小するビニング処理部をさらに含む、請求項5に記載のコーンビームCT装置。
- 前記2次元X線検出器は、前記関心領域に投影された関心領域投影データ、及び関心以外の領域に投影された関心領域以外の投影データを結合して前記投影データを処理する、請求項4に記載のコーンビームCT装置。
- 前記映像処理部は、前記ビニング方法が適用された関心領域以外の投影データに補間法を適用して仮想の高解像度データに復元した後前記断層映像を再構成する、請求項7に記載のコーンビームCT装置。
- 関心領域の動的設定可能な2次元X線検出器とこれを含むコーンビームCT装置の動作方法において、
フレームごとに前記関心領域の位置及びサイズの設定可能な関心領域テーブルに基づいて前記関心領域を制御するステップと、
前記関心領域に照射されたX線によって投影される関心領域投影データ、及び関心以外の領域に照射されたX線によって投影される関心領域以外の投影データを含む投影データを処理するステップと、
前記投影データに映像再構成アルゴリズムを適用して断層映像を再構成するステップと、
を含む、関心領域の動的設定可能な2次元X線検出器とこれを含むコーンビームCT装置の動作方法。
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KR1020160134132A KR101873109B1 (ko) | 2016-10-17 | 2016-10-17 | 관심 영역의 동적 설정이 가능한 2차원 엑스선 디텍터와 이를 포함하는 콘빔 ct 장치 및 그 동작 방법 |
KR10-2016-0134132 | 2016-10-17 | ||
PCT/KR2016/012986 WO2018074650A1 (ko) | 2016-10-17 | 2016-11-11 | 관심 영역의 동적 설정이 가능한 2차원 엑스선 디텍터와 이를 포함하는 콘빔 ct 장치 및 그 동작 방법 |
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US10674992B2 (en) * | 2017-09-29 | 2020-06-09 | General Electric Company | Selectable ROI and flexible detector for X-ray imaging |
CN112107326A (zh) * | 2020-09-10 | 2020-12-22 | 上海联影医疗科技股份有限公司 | 医疗设备系统的数据处理方法、系统及ct系统数据无线传输方法 |
CN113311009A (zh) * | 2021-05-08 | 2021-08-27 | 东软医疗系统股份有限公司 | 扫描信息处理方法、探测器、扫描设备、介质和电子设备 |
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