KR20080077078A - 방사선을 이용하여 액체형태물품에 대한 보안검사를수행하는 방법 및 장치 - Google Patents
방사선을 이용하여 액체형태물품에 대한 보안검사를수행하는 방법 및 장치 Download PDFInfo
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- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
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Claims (18)
- 방사선을 이용하여 액체형태물품에 대한 보안검사를 수행하는 방법에 있어서,환경 초기 정보를 취득하는 절차와,방사선 빔을 방출하여 상기 액체형태물품을 투과시키는 절차와,상기 액체형태물품을 투과한 방사선 빔을 수신하여 다각도 투영 데이터를 형성하는 절차와,상기 환경 초기 정보와 상기 액체형태 물품의 균일성에 의해, 상기 다각도 투영 데이터에 대한 역연산을 하는 것으로써, 액체형태 피검체의 방사선 흡수계수를 계산하고 취득하는 절차와,상기 방사선흡수계수를 미리 설정한 데이터와 비교하여 액체형태 피검체에 관한 정보를 취득하는 절차를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 환경 초기 정보는 액체형태 피검체의 기하학적 경계정보를 포함하는 것을 특징으로 하는 방법.
- 제2항에 있어서,상기 기하학적 경계정보는 방사선 사진기술 또는 스캔 결상기술에 의해 취득 되는 것임을 특징으로 하는 방법.
- 제2항에 있어서,상기 액체형태 피검체는 방사선 흡수에 대하여 균일성을 나타내는 것을 특징으로 하는 방법.
- 방사선을 이용하여 액체물품에 대한 보안검사를 수행하는 장치에 있어서,방사선 빔을 방출하는 방사선 소스(10)와,액체형태 피검체를 방사선 빔이 투과하도록 적재하는 적재수단(30)과,환경 초기 정보 및 상기 액체형태 피검체의 다각도 투영 데이터를 취득하는 검지 및 채취수단(40)과,컴퓨터 데이터 프로세서(60, 60')를 구비하고,상기 컴퓨터 데이터 프로세서(60, 60')는,액체형태 피검체의 환경 초기 정보 및 액체형태 피검체의 균일성을 한정조건으로 하고, 취득한 다각도 투영 데이터에 대한 역연산을 하고, 상기 액체형태 피검체의 방사선 흡수계수를 계산하고 취득하기 위한 수단과,상기 방사선 흡수계수를 미리 설정한 데이터와 비교하여 액체형태 피검체에 관한 정보를 취득하는 수단을 포함하는 것을 특징으로 하는 장치.
- 제5항에 있어서,상기 방사선 소스(10)는 X선기기 또는 동위원소 소스인 것을 특징으로 하는 장치.
- 제6항에 있어서,상기 방사선 소스(10)는 1개 또는 복수개인 것을 특징으로 하는 장치.
- 제6항에 있어서,상기 방사선 소스(10)의 방사선 에너지가 조정될 수 있는것을 특징으로 하는 장치.
- 제5항에 있어서,상기 검지 및 채취수단은 검지기와 데이터 채취기를 일체화 하여 형성된 것임을 특징으로 하는 장치.
- 제9항에 있어서,상기 검지기는 고체 검지기, 액체 검지기, 기체 검지기 또는 반도체 검지기인 것을 특징으로 하는 장치.
- 제9항에 있어서,상기 검지기는 1개 또는 복수개인 것을 특징으로 하는 장치.
- 제9항에 있어서,상기 검지기는 1차원 배열 또는 2차원 배열의 형식을 구비하고 있는 것을 특징으로 하는 장치.
- 제9항에 있어서,상기 검지기가 에너지 선택기능을 구비하고 있는 것을 특징으로 하는 장치.
- 제9항에 있어서,상기 검지기가 적분모드 또는 펄스 모드에서 동작하는 것을 특징으로 하는 장치.
- 제9항에 있어서,상기 다각도 투영 데이터는 액체형태 피검체를 회전시키거나 또는 방사선 소스와 검지 및 채취수단을 회전시켜 취득한 것임을 특징으로 하는 장치.
- 제9항에 있어서,상기 다각도 투영 데이터는 각도 투영수를 증가시키거나 또는 검지기를 검지기 유닛의 사이즈의 1/4의 오프셋으로 장착하여 취득된 것임을 특징으로 하는 장치.
- 제5항에 있어서,상기 컴퓨터 데이터 프로세서가 소정의 식별 알고리듬에 의해 상기 비교를 수행하는 것을 특징으로 하는 장치.
- 제5항에 있어서,상기 방사선 소스(10), 검지 및 채취수단(40), 적재수단(30) 및 컴퓨터 데이터 프로세서(60, 60')의 협동 동작이 스캔제어기(50)에 의해 제어되는 것을 특징으로 하는 장치.
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CNB2006101276527A CN100483120C (zh) | 2006-09-05 | 2006-09-05 | 一种用射线对液态物品进行安全检查的方法及设备 |
CN200610127652.7 | 2006-09-05 |
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KR20080077078A true KR20080077078A (ko) | 2008-08-21 |
KR100963186B1 KR100963186B1 (ko) | 2010-06-14 |
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KR1020087002570A KR100963186B1 (ko) | 2006-09-05 | 2006-12-07 | 방사선을 이용하여 액체형태물품에 대한 보안검사를수행하는 방법 및 장치 |
Country Status (14)
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US (1) | US7634055B2 (ko) |
EP (1) | EP2085771B1 (ko) |
JP (1) | JP4944892B2 (ko) |
KR (1) | KR100963186B1 (ko) |
CN (1) | CN100483120C (ko) |
AU (1) | AU2006252041B2 (ko) |
BR (1) | BRPI0614513B1 (ko) |
DE (1) | DE102006000529A1 (ko) |
FR (1) | FR2905466A1 (ko) |
HK (1) | HK1117231A1 (ko) |
IT (1) | ITTO20060890A1 (ko) |
PL (1) | PL2085771T3 (ko) |
RU (1) | RU2372610C1 (ko) |
WO (1) | WO2008037133A1 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008034232A1 (en) | 2006-09-18 | 2008-03-27 | Optosecurity Inc. | Method and apparatus for assessing characteristics of liquids |
US8676744B2 (en) * | 2007-10-25 | 2014-03-18 | Lawrence Livermore National Security, Llc | Physics-based, Bayesian sequential detection method and system for radioactive contraband |
US8867816B2 (en) | 2008-09-05 | 2014-10-21 | Optosecurity Inc. | Method and system for performing X-ray inspection of a liquid product at a security checkpoint |
WO2010028474A1 (en) * | 2008-09-15 | 2010-03-18 | Optosecurity Inc. | Method and apparatus for assessing properties of liquids by using x-rays |
US8831331B2 (en) * | 2009-02-10 | 2014-09-09 | Optosecurity Inc. | Method and system for performing X-ray inspection of a product at a security checkpoint using simulation |
EP2443441B8 (en) | 2009-06-15 | 2017-11-22 | Optosecurity Inc. | Method and apparatus for assessing the threat status of luggage |
US8879791B2 (en) | 2009-07-31 | 2014-11-04 | Optosecurity Inc. | Method, apparatus and system for determining if a piece of luggage contains a liquid product |
JP5850059B2 (ja) * | 2011-10-04 | 2016-02-03 | 株式会社ニコン | X線を用いた形状測定装置、形状計測方法、及び構造物の製造方法 |
CN102901740B (zh) * | 2012-07-30 | 2014-10-22 | 公安部第一研究所 | 一种通道式四视角x射线液态物品安全检查系统 |
CN103162627A (zh) * | 2013-03-28 | 2013-06-19 | 广西工学院鹿山学院 | 一种利用柑橘类果实果皮镜面反射进行果实体积估测的方法 |
JP6147852B2 (ja) * | 2013-05-10 | 2017-06-14 | 株式会社ニコン | X線装置及び構造物の製造方法 |
EP3190402B1 (en) * | 2014-09-02 | 2023-10-18 | Nikon Corporation | Measurement processing device, x-ray inspection apparatus, method for manufacturing a structure, measurement processing method and measurement processing program |
CN107076683B (zh) | 2014-09-02 | 2021-05-07 | 株式会社尼康 | 测量处理装置、测量处理方法、测量处理程序和用于制造该装置的方法 |
DE102016217984A1 (de) * | 2016-09-20 | 2018-04-05 | Siemens Healthcare Gmbh | Sinogrammbasierte Streustrahlenkorrektur in der Computertomographie |
CN106959309A (zh) * | 2017-03-24 | 2017-07-18 | 中国农业科学院农业信息研究所 | 一种剩余食物的监测系统 |
CN109884721A (zh) * | 2018-12-10 | 2019-06-14 | 深圳极视角科技有限公司 | 基于人工智能的安检违禁物品检测方法、装置及电子设备 |
EP3764089A1 (en) * | 2019-07-11 | 2021-01-13 | Direct Conversion AB | X-ray weld inspection |
US11276542B2 (en) | 2019-08-21 | 2022-03-15 | Varex Imaging Corporation | Enhanced thermal transfer nozzle and system |
US11733182B2 (en) * | 2019-12-20 | 2023-08-22 | Varex Imaging Corporation | Radiographic inspection system for pipes and other structures using radioisotopes |
CN114706120B (zh) * | 2022-04-15 | 2023-03-31 | 电子科技大学 | 一种降低高效采集可控震源补炮率的方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4035647A (en) * | 1972-05-17 | 1977-07-12 | E M I Limited | Radiography |
US4663711A (en) * | 1984-06-22 | 1987-05-05 | Shell Oil Company | Method of analyzing fluid saturation using computerized axial tomography |
JPS61226022A (ja) * | 1985-03-30 | 1986-10-07 | 株式会社東芝 | 画像処理装置 |
US4920491A (en) * | 1988-05-16 | 1990-04-24 | General Electric Company | Enhancement of image quality by utilization of a priori information |
SU1636748A1 (ru) * | 1988-12-16 | 1991-03-23 | Харьковский государственный университет им.А.М.Горького | Устройство дл рентгенофлуоресцентного анализа жидкостей |
JPH04276600A (ja) * | 1991-03-04 | 1992-10-01 | Nippon Steel Corp | X線画像撮影装置及びこの装置を利用したx線ct装置 |
JP3291410B2 (ja) * | 1995-05-31 | 2002-06-10 | 株式会社日立製作所 | 対象物の組成分析方法および装置 |
RU2095795C1 (ru) * | 1995-08-29 | 1997-11-10 | Виктор Михайлович Федосеев | Рентгеновский способ обнаружения вещества по значению его эффективного атомного номера |
EP0825457A3 (en) * | 1996-08-19 | 2002-02-13 | Analogic Corporation | Multiple angle pre-screening tomographic systems and methods |
JP2001520376A (ja) * | 1997-10-10 | 2001-10-30 | アナロジック コーポレーション | 法線曲面を用いたct目標物の検出 |
US6026171A (en) | 1998-02-11 | 2000-02-15 | Analogic Corporation | Apparatus and method for detection of liquids in computed tomography data |
US6320193B1 (en) * | 1999-02-26 | 2001-11-20 | The United States Of America As Represented By The United States Department Of Energy | Method for non-intrusively identifying a contained material utilizing uncollided nuclear transmission measurements |
US6418189B1 (en) | 2000-01-24 | 2002-07-09 | Analogic Corporation | Explosive material detection apparatus and method using dual energy information of a scan |
JP3870105B2 (ja) | 2002-02-22 | 2007-01-17 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 逆投影方法およびx線ct装置 |
JP2004177138A (ja) * | 2002-11-25 | 2004-06-24 | Hitachi Ltd | 危険物探知装置および危険物探知方法 |
JP2004325183A (ja) * | 2003-04-23 | 2004-11-18 | M & C:Kk | 放射線検出方法、放射線検出器、及び、この検出器を搭載した放射線撮像システム |
US7092485B2 (en) | 2003-05-27 | 2006-08-15 | Control Screening, Llc | X-ray inspection system for detecting explosives and other contraband |
DE10347971B3 (de) * | 2003-10-15 | 2005-06-09 | Siemens Ag | Verfahren und Vorrichtung zur Bestimmung des Flüssigkeitstyps einer Flüssigkeitsansammlung in einem Objekt |
JP2005121528A (ja) * | 2003-10-17 | 2005-05-12 | Rigaku Corp | 2次元イメージ素子及びそれを利用した2次元イメージ検出装置並びにx線分析装置 |
US7203267B2 (en) * | 2004-06-30 | 2007-04-10 | General Electric Company | System and method for boundary estimation using CT metrology |
CN1779451B (zh) | 2004-11-26 | 2010-04-28 | 清华大学 | 一种用放射源对液体进行背散射安全检测的装置 |
CN1779444B (zh) | 2004-11-26 | 2010-04-14 | 清华大学 | 一种用射线源对液体进行ct安全检测的装置 |
CN1779443B (zh) * | 2004-11-26 | 2010-09-15 | 清华大学 | 一种用放射源对液体进行安全检测的方法及其装置 |
GB2420683B (en) | 2004-11-26 | 2009-03-18 | Univ Tsinghua | A computer tomography method and apparatus for identifying a liquid article based on the density of the liquid article |
US20060234902A1 (en) | 2005-04-19 | 2006-10-19 | Unilever Home & Personal Care Usa | Fabric care article and method |
JP4127699B2 (ja) * | 2005-04-25 | 2008-07-30 | アンリツ産機システム株式会社 | 濃度データ変換方法および装置並びにx線検査システム |
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2006
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- 2006-12-05 US US11/634,330 patent/US7634055B2/en active Active
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- 2006-12-07 WO PCT/CN2006/003327 patent/WO2008037133A1/zh active Application Filing
- 2006-12-07 PL PL06817965T patent/PL2085771T3/pl unknown
- 2006-12-07 EP EP06817965.4A patent/EP2085771B1/en active Active
- 2006-12-07 KR KR1020087002570A patent/KR100963186B1/ko active IP Right Grant
- 2006-12-07 BR BRPI0614513-2A patent/BRPI0614513B1/pt active IP Right Grant
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Publication number | Publication date |
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PL2085771T3 (pl) | 2014-02-28 |
RU2372610C1 (ru) | 2009-11-10 |
EP2085771A4 (en) | 2010-01-27 |
WO2008037133A8 (fr) | 2008-07-24 |
CN100483120C (zh) | 2009-04-29 |
US20080056443A1 (en) | 2008-03-06 |
KR100963186B1 (ko) | 2010-06-14 |
JP2009503557A (ja) | 2009-01-29 |
WO2008037133A1 (en) | 2008-04-03 |
BRPI0614513B1 (pt) | 2018-06-05 |
FR2905466A1 (fr) | 2008-03-07 |
ITTO20060890A1 (it) | 2008-03-06 |
EP2085771B1 (en) | 2013-09-11 |
AU2006252041A1 (en) | 2008-03-20 |
BRPI0614513A2 (pt) | 2016-11-01 |
AU2006252041B2 (en) | 2009-08-27 |
EP2085771A1 (en) | 2009-08-05 |
JP4944892B2 (ja) | 2012-06-06 |
HK1117231A1 (en) | 2009-01-09 |
CN101140247A (zh) | 2008-03-12 |
US7634055B2 (en) | 2009-12-15 |
RU2008103176A (ru) | 2009-08-10 |
DE102006000529A1 (de) | 2008-03-27 |
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