WO2004031755A2 - Folded array ct baggage scanner - Google Patents
Folded array ct baggage scanner Download PDFInfo
- Publication number
- WO2004031755A2 WO2004031755A2 PCT/US2003/031718 US0331718W WO2004031755A2 WO 2004031755 A2 WO2004031755 A2 WO 2004031755A2 US 0331718 W US0331718 W US 0331718W WO 2004031755 A2 WO2004031755 A2 WO 2004031755A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- detectors
- scanner
- check
- ray
- distance
- Prior art date
Links
- 230000004907 flux Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 18
- 238000012552 review Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 238000007689 inspection Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 description 9
- 238000000429 assembly Methods 0.000 description 9
- 230000009977 dual effect Effects 0.000 description 9
- 239000011295 pitch Substances 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 238000003491 array Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- 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
- G01N23/02—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 by transmitting the radiation through the material
- G01N23/04—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 by transmitting the radiation through the material and forming images of the material
- G01N23/046—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 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
- G01V5/224—Multiple energy techniques using one type of radiation, e.g. X-rays of different energies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
- G01V5/226—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/40—Imaging
- G01N2223/419—Imaging computed tomograph
Definitions
- Fig. 2 is a perspective view of a CT scanner according to an embodiment of the present invention.
- the host computer 400 includes a motherboard 410 and a data acquisition card 420.
- the data acquisition card 420 includes inputs from the imaging array 423, the conveyor belt encoder 422, and the gantry encoder. 421. It also includes a field programmable gate array card 424 for retrieving the data and forwarding it to the motherboard 410.
- the motherboard 410 includes a processor 411, such as a Pentium processor from Intel, a large RAM 412, and a back-projection accelerator card 520 for processing the data. It also includes a Host/PCI bridge for sending and receiving information from the data acquisition card and other computers. The data retrieved from the CT scanner is transferred to the detection algorithm computer 500. An ethernet connection allows quick transfer of the large amounts of data.
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Pulmonology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004541702A JP4538321B2 (en) | 2002-10-02 | 2003-10-02 | Folded array CT luggage scanner |
EP03774607A EP1549934B1 (en) | 2002-10-02 | 2003-10-02 | Folded array ct baggage scanner |
AU2003282723A AU2003282723B2 (en) | 2002-10-02 | 2003-10-02 | Folded array CT baggage scanner |
DE60335814T DE60335814D1 (en) | 2002-10-02 | 2003-10-02 | COMPACT CT SCANNER FOR LUGGAGE PANELS WITH DETECTOR ARRANGEMENTS IN VARIOUS DISTANCE TO THE X-RAY SOURCE |
CA002500642A CA2500642A1 (en) | 2002-10-02 | 2003-10-02 | Folded array ct baggage scanner |
AT03774607T ATE496291T1 (en) | 2002-10-02 | 2003-10-02 | COMPACT CT SCANNER FOR LUGGAGE WITH DETECTOR ARRANGEMENTS AT DIFFERENT DISTANCES FROM THE X-RAY SOURCE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41539102P | 2002-10-02 | 2002-10-02 | |
US60/415,391 | 2002-10-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004031755A2 true WO2004031755A2 (en) | 2004-04-15 |
WO2004031755A9 WO2004031755A9 (en) | 2004-06-24 |
WO2004031755A3 WO2004031755A3 (en) | 2004-07-29 |
Family
ID=32069850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/031718 WO2004031755A2 (en) | 2002-10-02 | 2003-10-02 | Folded array ct baggage scanner |
Country Status (10)
Country | Link |
---|---|
US (3) | US7164747B2 (en) |
EP (1) | EP1549934B1 (en) |
JP (2) | JP4538321B2 (en) |
KR (1) | KR20050083718A (en) |
CN (1) | CN1708686A (en) |
AT (1) | ATE496291T1 (en) |
AU (1) | AU2003282723B2 (en) |
CA (1) | CA2500642A1 (en) |
DE (1) | DE60335814D1 (en) |
WO (1) | WO2004031755A2 (en) |
Cited By (10)
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US7016459B2 (en) | 2002-10-02 | 2006-03-21 | L-3 Communications Security And Detection Systems, Inc. | Folded array CT baggage scanner |
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US7440537B2 (en) | 2003-10-02 | 2008-10-21 | Reveal Imaging Technologies, Inc. | Folded array CT baggage scanner |
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US10591424B2 (en) | 2003-04-25 | 2020-03-17 | Rapiscan Systems, Inc. | X-ray tomographic inspection systems for the identification of specific target items |
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US11796711B2 (en) | 2003-04-25 | 2023-10-24 | Rapiscan Systems, Inc. | Modular CT scanning system |
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US10901112B2 (en) | 2003-04-25 | 2021-01-26 | Rapiscan Systems, Inc. | X-ray scanning system with stationary x-ray sources |
US10591424B2 (en) | 2003-04-25 | 2020-03-17 | Rapiscan Systems, Inc. | X-ray tomographic inspection systems for the identification of specific target items |
US9618648B2 (en) | 2003-04-25 | 2017-04-11 | Rapiscan Systems, Inc. | X-ray scanners |
US10175381B2 (en) | 2003-04-25 | 2019-01-08 | Rapiscan Systems, Inc. | X-ray scanners having source points with less than a predefined variation in brightness |
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US10295483B2 (en) | 2005-12-16 | 2019-05-21 | Rapiscan Systems, Inc. | Data collection, processing and storage systems for X-ray tomographic images |
US9048061B2 (en) | 2005-12-16 | 2015-06-02 | Rapiscan Systems, Inc. | X-ray scanners and X-ray sources therefor |
US10976271B2 (en) | 2005-12-16 | 2021-04-13 | Rapiscan Systems, Inc. | Stationary tomographic X-ray imaging systems for automatically sorting objects based on generated tomographic images |
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Also Published As
Publication number | Publication date |
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JP2009258117A (en) | 2009-11-05 |
WO2004031755A3 (en) | 2004-07-29 |
AU2003282723A1 (en) | 2004-04-23 |
KR20050083718A (en) | 2005-08-26 |
CA2500642A1 (en) | 2004-04-15 |
US20040120454A1 (en) | 2004-06-24 |
US7016459B2 (en) | 2006-03-21 |
US7123681B2 (en) | 2006-10-17 |
EP1549934B1 (en) | 2011-01-19 |
JP2006502386A (en) | 2006-01-19 |
WO2004031755A9 (en) | 2004-06-24 |
US20050169423A1 (en) | 2005-08-04 |
AU2003282723B2 (en) | 2009-04-23 |
CN1708686A (en) | 2005-12-14 |
DE60335814D1 (en) | 2011-03-03 |
EP1549934A2 (en) | 2005-07-06 |
JP4538321B2 (en) | 2010-09-08 |
ATE496291T1 (en) | 2011-02-15 |
US7164747B2 (en) | 2007-01-16 |
US20050249330A1 (en) | 2005-11-10 |
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