JP4846937B2 - マルチスライス型ctスキャンのハイピッチ再構成 - Google Patents
マルチスライス型ctスキャンのハイピッチ再構成 Download PDFInfo
- Publication number
- JP4846937B2 JP4846937B2 JP2001245827A JP2001245827A JP4846937B2 JP 4846937 B2 JP4846937 B2 JP 4846937B2 JP 2001245827 A JP2001245827 A JP 2001245827A JP 2001245827 A JP2001245827 A JP 2001245827A JP 4846937 B2 JP4846937 B2 JP 4846937B2
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- JP
- Japan
- Prior art keywords
- projection
- detector
- angle
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- conjugate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
-
- 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
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Theoretical Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pulmonology (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/639368 | 2000-08-15 | ||
| US09/639,368 US6381297B1 (en) | 2000-08-15 | 2000-08-15 | High pitch reconstruction of multislice CT scans |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2002153453A JP2002153453A (ja) | 2002-05-28 |
| JP2002153453A5 JP2002153453A5 (enExample) | 2008-09-25 |
| JP4846937B2 true JP4846937B2 (ja) | 2011-12-28 |
Family
ID=24563804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001245827A Expired - Fee Related JP4846937B2 (ja) | 2000-08-15 | 2001-08-14 | マルチスライス型ctスキャンのハイピッチ再構成 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6381297B1 (enExample) |
| JP (1) | JP4846937B2 (enExample) |
| DE (1) | DE10139832A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6452996B1 (en) * | 2001-03-16 | 2002-09-17 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus utilizing generalized helical interpolation algorithm |
| US6873676B2 (en) * | 2003-03-05 | 2005-03-29 | Ge Medical Systems Global Technology Company, Llc | Convolution reconstruction algorithm for multi-slice CT |
| US6850585B2 (en) * | 2003-03-05 | 2005-02-01 | Ge Medical Systems Global Technology Company, Llc | Progressive updating approach for volumetric CT image reconstruction |
| US6977984B2 (en) * | 2003-10-07 | 2005-12-20 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for dynamical helical scanned image production |
| DE102004020861B4 (de) * | 2004-04-28 | 2009-10-01 | Siemens Ag | Verfahren zur Rekonstruktion von Projektionsdatensätzen bei Dosis-reduzierter abschnittsweiser spiralförmiger Abtastung in der Computertomographie |
| US7372937B2 (en) * | 2004-07-16 | 2008-05-13 | University Of Iowa Research Foundation | Systems and methods of non-standard spiral cone-beam computed tomograpy (CT) |
| US7840249B2 (en) * | 2004-11-24 | 2010-11-23 | University Of Iowa Research Foundation | Clinical micro-CT (CMCT) methods, techniques and apparatus |
| WO2006119603A1 (en) | 2005-05-11 | 2006-11-16 | Optosecurity Inc. | 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 |
| US20070041613A1 (en) * | 2005-05-11 | 2007-02-22 | Luc Perron | Database of target objects suitable for use in screening receptacles or people and method and apparatus for generating same |
| CN100464707C (zh) * | 2005-09-16 | 2009-03-04 | 北京大学 | 三维锥束ct图像重建的处理系统 |
| JP2007236662A (ja) * | 2006-03-09 | 2007-09-20 | Ge Medical Systems Global Technology Co Llc | X線ct装置およびそのx線ct画像再構成方法、x線ct画像撮影方法。 |
| 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 |
| US8086010B2 (en) * | 2006-06-30 | 2011-12-27 | Kabushiki Kaisha Toshiba | Medical image diagnosis apparatus and the control method thereof |
| 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 |
| PL2753920T3 (pl) | 2011-09-07 | 2018-09-28 | Rapiscan Systems, Inc. | System badania rentgenowskiego integrujący dane manifestu z przetwarzaniem obrazowania/detekcji |
| US10302807B2 (en) | 2016-02-22 | 2019-05-28 | Rapiscan Systems, Inc. | Systems and methods for detecting threats and contraband in cargo |
| CN110327069B (zh) * | 2019-07-01 | 2023-05-05 | 赛诺威盛科技(北京)股份有限公司 | 一种缩小ct螺旋扫描范围的方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59111738A (ja) | 1982-12-16 | 1984-06-28 | 株式会社東芝 | X線断層撮影装置 |
| US4580219A (en) | 1983-05-02 | 1986-04-01 | General Electric Company | Method for reducing image artifacts due to projection measurement inconsistencies |
| US4852132A (en) | 1985-08-30 | 1989-07-25 | Yokogawa Medical Systems | Method of collecting data for x-ray tomograph |
| US5233518A (en) | 1989-11-13 | 1993-08-03 | General Electric Company | Extrapolative reconstruction method for helical scanning |
| US5559847A (en) * | 1995-12-06 | 1996-09-24 | General Electric Company | Systems, methods and apparatus for reconstructing images in a CT system implementing a helical scan |
| US5848117A (en) | 1996-11-27 | 1998-12-08 | Analogic Corporation | Apparatus and method for computed tomography scanning using halfscan reconstruction with asymmetric detector system |
| US5974110A (en) * | 1997-11-26 | 1999-10-26 | General Electric Company | Helical reconstruction algorithm |
| US6055291A (en) * | 1998-08-25 | 2000-04-25 | General Electric Company | Systems, methods and apparatus for reconstructing images |
| US6272200B1 (en) * | 1999-07-28 | 2001-08-07 | Arch Development Corporation | Fourier and spline-based reconstruction of helical CT images |
-
2000
- 2000-08-15 US US09/639,368 patent/US6381297B1/en not_active Expired - Fee Related
-
2001
- 2001-08-14 JP JP2001245827A patent/JP4846937B2/ja not_active Expired - Fee Related
- 2001-08-14 DE DE10139832A patent/DE10139832A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE10139832A1 (de) | 2002-07-04 |
| JP2002153453A (ja) | 2002-05-28 |
| US6381297B1 (en) | 2002-04-30 |
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