JP2009534669A - 離散供給源のアレイおよび複数の平行ビームを用いた荷物および人間のx線画像化 - Google Patents
離散供給源のアレイおよび複数の平行ビームを用いた荷物および人間のx線画像化 Download PDFInfo
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Abstract
Description
Zhangら、A Multi−beam X−ray Imaging System Based on Carbon Nanotube Field Emitters, in Medical Imaging 2006, (Proceedings of SPIE, Vol. 6142, March 2, 2006) Chengら、 Dynamic radiography using a carbon−nanotube−based field−emission X−ray source, 75 Rev. Sci. Instruments, p. 3264 (2004) Zhangら、 Stationary scanning x−ray source based on carbon nanotube field emitters, 86 Appl. Phys. Lett., p. 184104 (2005) Zhangら、 A nanotube−based field emission X−ray source for microcomputed tomography, 76 Rev. Sci. Instruments, p. 94301 (2005)
a.空間的配向が変化するビームで対象を照射するように、離散X線供給源のアレイを所定の時間的パターンで起動するステップと、
b.対象との相互作用後に、ビームのX線を検出して、検出信号を生成するステップと、c.検出信号の時間変化に基づいて、対象の画像を構築するステップと
を伴う。
・このX線供給源は、特にX線放射の線に沿った寸法で非常に小型であり得る。
・X線ビームの線形アレイの使用が、単一の点供給源に関連する画像の歪みを有利に減少させる。
・このX線を生成するアプローチは、画像収集、形状、および設置面積において、現在の単一の点X線供給源ベースのシステムより遥かに優れた柔軟性を提供する。
・X線供給源の線形アレイの連続したトリガを使用することによって、供給源間のクロストーク無しに後方散乱画像が収集され得る。
・走査される人間の2つ以上の画像を同時に取得する構成に適用される場合、本発明は、検査される対象の処理量を有利に高める。
Claims (14)
- 対象を画像化するための方法であって、該方法は、
a.空間的配向が変化するビームで該対象を照射するように、離散X線供給源のアレイを所定の時間的パターンで起動するステップと、
b.該対象との相互作用後に、該ビームのX線を検出して検出信号を生成するステップと、
c.該検出信号の時間変化に基づいて、該対象の画像を構築するステップと
を包含する、方法。 - 前記離散X線供給源のアレイを移動させるステップをさらに含む、請求項1に記載の方法。
- 前記離散X線供給源のアレイを1つの軸の周囲で回転させるステップをさらに含む、請求項1に記載の方法。
- 前記離散X線供給源のアレイを平行移動させるステップをさらに含む、請求項1に記載の方法。
- 前記離散X線供給源のアレイは、アレイ軸を特徴とし、前記アレイを平行移動させるステップは、該アレイ軸を実質的に横断する方向に該アレイを平行移動させるステップを含む、請求項4に記載の方法。
- 前記所定の時間的パターンは、アダマール符号を構成する、請求項1に記載の方法。
- 前記対象との相互作用後に前記X線を検出するステップは、該対象によって散乱されたX線を検出するステップを含む、請求項1に記載の方法。
- 前記離散X線供給源を起動するステップは、電解放出供給源を起動するステップを含む、請求項1に記載の方法。
- 前記離散X線供給源を起動するステップは、複数の電解放出供給源を起動するステップを含み、それぞれの電解放出供給源は反射標的を含む、請求項8に記載の方法。
- 前記離散X線供給源を起動するステップは、複数の電解放出供給源を起動するステップを含み、それぞれの電解放出供給源は伝送標的を含む、請求項8に記載の方法。
- 対象を検査するための検査システムであって、該検査システムは、
a.複数の離散透過性放射線供給源の線形アレイと、
b.該検査される対象により散乱される透過性放射線の検出に基づいて、散乱信号を生成するように構成される少なくとも1つの散乱検出器と、
c.該散乱信号を受信して該対象の画像を生成するためのプロセッサと
を備える、検査システム。 - 前記離散透過性放射線供給源は、カーボンナノチューブX線供給源である、請求項11に記載の検査システム。
- 対象を検査するための方法であって、該方法は、
a.複数の離散透過性放射線供給源の線形アレイにより該対象を照射するステップと、
b.該検査される対象により散乱される透過性放射線の検出に基づいて、散乱信号を生成するステップと、
c.該対象の画像を生成するために該散乱信号を処理するステップと
を包含する、方法。 - 前記複数の線形アレイによる照射の際、前記対象を移動させるステップをさらに含む、請求項13に記載の方法。
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US79429506P | 2006-04-21 | 2006-04-21 | |
PCT/US2007/066936 WO2008063695A2 (en) | 2006-04-21 | 2007-04-19 | X-ray imaging of baggage and personnel using arrays of discrete sources and multiple collimated beams |
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JP2009534669A true JP2009534669A (ja) | 2009-09-24 |
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US (1) | US7505562B2 (ja) |
EP (1) | EP2010943A2 (ja) |
JP (1) | JP2009534669A (ja) |
KR (1) | KR20090015929A (ja) |
CN (1) | CN101467071B (ja) |
IL (1) | IL194851A (ja) |
MX (1) | MX2008013595A (ja) |
RU (1) | RU2411506C2 (ja) |
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EP2010943A2 (en) | 2009-01-07 |
RU2008146009A (ru) | 2010-05-27 |
IL194851A0 (en) | 2009-08-03 |
CN101467071B (zh) | 2012-06-13 |
CN101467071A (zh) | 2009-06-24 |
MX2008013595A (es) | 2009-03-06 |
IL194851A (en) | 2012-06-28 |
US20070258562A1 (en) | 2007-11-08 |
KR20090015929A (ko) | 2009-02-12 |
RU2411506C2 (ru) | 2011-02-10 |
WO2008063695A3 (en) | 2008-11-20 |
WO2008063695A2 (en) | 2008-05-29 |
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