WO2002080100A3 - A method of reducing artifacts in object images - Google Patents
A method of reducing artifacts in object images Download PDFInfo
- Publication number
- WO2002080100A3 WO2002080100A3 PCT/IB2002/000593 IB0200593W WO02080100A3 WO 2002080100 A3 WO2002080100 A3 WO 2002080100A3 IB 0200593 W IB0200593 W IB 0200593W WO 02080100 A3 WO02080100 A3 WO 02080100A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data signals
- object images
- reducing artifacts
- detector
- carrying
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 6
- 238000005259 measurement Methods 0.000 abstract 2
- 238000002591 computed tomography Methods 0.000 abstract 1
- 238000004590 computer program Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration using local operators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S378/00—X-ray or gamma ray systems or devices
- Y10S378/901—Computer tomography program or processor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02712196A EP1433137B1 (en) | 2001-03-29 | 2002-02-25 | A method of reducing artifacts in object images |
DE60214022T DE60214022T2 (en) | 2001-03-29 | 2002-02-25 | METHOD FOR REDUCING ARTEFACT IN OBJECT IMAGES |
JP2002578247A JP4330881B2 (en) | 2001-03-29 | 2002-02-25 | Method for reducing artifacts in target images |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01201180.5 | 2001-03-29 | ||
EP01201180 | 2001-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002080100A2 WO2002080100A2 (en) | 2002-10-10 |
WO2002080100A3 true WO2002080100A3 (en) | 2004-04-29 |
Family
ID=8180085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2002/000593 WO2002080100A2 (en) | 2001-03-29 | 2002-02-25 | A method of reducing artifacts in object images |
Country Status (6)
Country | Link |
---|---|
US (1) | US6542571B2 (en) |
EP (1) | EP1433137B1 (en) |
JP (1) | JP4330881B2 (en) |
AT (1) | ATE336760T1 (en) |
DE (1) | DE60214022T2 (en) |
WO (1) | WO2002080100A2 (en) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10201321B4 (en) * | 2002-01-15 | 2011-02-24 | Siemens Ag | Computed tomography device and method with active adaptation of the measuring electronics |
US6529575B1 (en) * | 2002-04-29 | 2003-03-04 | Ge Medical Systems Global Technology Company, Llc | Adaptive projection filtering scheme for noise reduction |
US7376255B2 (en) | 2004-06-23 | 2008-05-20 | General Electric Company | System and method for image reconstruction |
EP1765174A1 (en) * | 2004-07-07 | 2007-03-28 | Koninklijke Philips Electronics N.V. | Streak artifact reduction in cardiac cone beam ct reconstruction |
US20090174554A1 (en) | 2005-05-11 | 2009-07-09 | Eric Bergeron | Method and system for screening luggage items, cargo containers or persons |
US7991242B2 (en) | 2005-05-11 | 2011-08-02 | Optosecurity Inc. | Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality |
US7899232B2 (en) | 2006-05-11 | 2011-03-01 | Optosecurity Inc. | Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same |
US8494210B2 (en) | 2007-03-30 | 2013-07-23 | Optosecurity Inc. | User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same |
US7738729B2 (en) * | 2006-08-02 | 2010-06-15 | Morpho Detection, Inc. | Systems and methods for reducing an artifact within an image |
US8244016B2 (en) * | 2009-07-20 | 2012-08-14 | Wisconsin Alumni Research Foundation | Method for suppressing streak artifacts in images produced with an x-ray imaging system |
JP6025849B2 (en) | 2011-09-07 | 2016-11-16 | ラピスカン システムズ、インコーポレイテッド | X-ray inspection system that integrates manifest data into imaging / detection processing |
EP3772702A3 (en) | 2016-02-22 | 2021-05-19 | Rapiscan Systems, Inc. | Methods for processing radiographic images |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19853143A1 (en) * | 1998-11-18 | 1999-06-17 | Vamp Verfahren Und Apparate De | Medical computer tomograph unit with reduced patient dose and reduced pixel noise |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5416815A (en) * | 1993-07-02 | 1995-05-16 | General Electric Company | Adaptive filter for reducing streaking artifacts in x-ray tomographic images |
US5818896A (en) * | 1996-11-18 | 1998-10-06 | General Electric Company | Methods and apparatus for three-dimensional and maximum intensity projection image reconstruction in a computed tomography system |
DE19736242A1 (en) * | 1997-08-20 | 1999-02-25 | Siemens Ag | Post-processing method for computer tomograph of medical X=ray diagnosis |
US6215841B1 (en) * | 1998-09-29 | 2001-04-10 | General Electric Company | Methods and apparatus for 3D artifact reduction |
-
2002
- 2002-02-25 EP EP02712196A patent/EP1433137B1/en not_active Expired - Lifetime
- 2002-02-25 JP JP2002578247A patent/JP4330881B2/en not_active Expired - Lifetime
- 2002-02-25 DE DE60214022T patent/DE60214022T2/en not_active Expired - Lifetime
- 2002-02-25 WO PCT/IB2002/000593 patent/WO2002080100A2/en active IP Right Grant
- 2002-02-25 AT AT02712196T patent/ATE336760T1/en not_active IP Right Cessation
- 2002-03-26 US US10/107,007 patent/US6542571B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19853143A1 (en) * | 1998-11-18 | 1999-06-17 | Vamp Verfahren Und Apparate De | Medical computer tomograph unit with reduced patient dose and reduced pixel noise |
Non-Patent Citations (1)
Title |
---|
HSIEH J: "ADAPTIVE STREAK ARTIFACT REDUCTION IN COMPUTED TOMOGRAPHY RESULTINGFROM EXCESSIVE X-RAY PHOTON NOISE", MEDICAL PHYSICS, AMERICAN INSTITUTE OF PHYSICS. NEW YORK, US, vol. 25, no. 11, November 1998 (1998-11-01), pages 2139 - 2147, XP000865065, ISSN: 0094-2405 * |
Also Published As
Publication number | Publication date |
---|---|
JP2004531306A (en) | 2004-10-14 |
US6542571B2 (en) | 2003-04-01 |
DE60214022T2 (en) | 2007-03-29 |
EP1433137A2 (en) | 2004-06-30 |
ATE336760T1 (en) | 2006-09-15 |
JP4330881B2 (en) | 2009-09-16 |
EP1433137B1 (en) | 2006-08-16 |
WO2002080100A2 (en) | 2002-10-10 |
DE60214022D1 (en) | 2006-09-28 |
US20020150200A1 (en) | 2002-10-17 |
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