NL1007611A1 - Werkwijze en inrichting voor het schroeflijnvormig computertomografie-scannen met asymmetrisch detectorstelsel. - Google Patents
Werkwijze en inrichting voor het schroeflijnvormig computertomografie-scannen met asymmetrisch detectorstelsel.Info
- Publication number
- NL1007611A1 NL1007611A1 NL1007611A NL1007611A NL1007611A1 NL 1007611 A1 NL1007611 A1 NL 1007611A1 NL 1007611 A NL1007611 A NL 1007611A NL 1007611 A NL1007611 A NL 1007611A NL 1007611 A1 NL1007611 A1 NL 1007611A1
- Authority
- NL
- Netherlands
- Prior art keywords
- computed tomography
- detector system
- tomography scanning
- helical computed
- asymmetric detector
- Prior art date
Links
- 238000002591 computed tomography Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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]
-
- 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)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US75936896A | 1996-11-27 | 1996-11-27 | |
US75936896 | 1996-11-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL1007611A1 true NL1007611A1 (nl) | 1998-05-28 |
NL1007611C2 NL1007611C2 (nl) | 1999-07-21 |
Family
ID=25055392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL1007611A NL1007611C2 (nl) | 1996-11-27 | 1997-11-25 | Werkwijze en inrichting voor het schroeflijnvormig computertomografie-scannen met asymmetrisch detectorstelsel. |
Country Status (9)
Country | Link |
---|---|
US (1) | US5828718A (nl) |
JP (1) | JP3609425B2 (nl) |
KR (1) | KR20000057284A (nl) |
CN (1) | CN1165261C (nl) |
BR (1) | BR9713327A (nl) |
DE (1) | DE19782117T1 (nl) |
NL (1) | NL1007611C2 (nl) |
TW (1) | TW352336B (nl) |
WO (1) | WO1998023209A1 (nl) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3588048B2 (ja) * | 1997-07-01 | 2004-11-10 | アナロジック コーポレーション | ヘリカルスキャン・立体的コンピュータ断層撮影システムのための改良検出器アレイ幾何学配列 |
US5946371A (en) * | 1997-12-08 | 1999-08-31 | Analogic Corporation | Method and apparatus for volumetric computed tomography scanning with offset symmetric or asymmetric detector system |
US6275561B1 (en) * | 1998-01-13 | 2001-08-14 | U.S. Philips Corporation | Computer tomagraphy method with helicoidal scanning of an examination area |
US6173032B1 (en) * | 1998-09-29 | 2001-01-09 | General Electric Company | Methods and apparatus for image reconstruction |
US6243437B1 (en) | 1998-11-25 | 2001-06-05 | General Electric Company | Coronary calcification detection using retrospective cardiac gating of imaging system |
US6275560B1 (en) | 1998-12-22 | 2001-08-14 | General Electric Company | Cardiac gated computed tomography system |
US6233308B1 (en) * | 1999-03-19 | 2001-05-15 | General Electric Company | Methods and apparatus for artifact compensation with variable angular sampling |
US6285732B1 (en) * | 1999-11-16 | 2001-09-04 | General Electric Company | Methods and apparatus for adaptive interpolation reduced view CT scan |
US6466640B1 (en) * | 1999-11-26 | 2002-10-15 | Kabushiki Kaisha Toshiba | Computed tomography system and method |
US6327325B1 (en) * | 2000-02-16 | 2001-12-04 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for adaptive interpolation reduced view CT scan |
US6980681B1 (en) | 2000-04-24 | 2005-12-27 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for helical reconstruction for multislice CT scan |
US6418184B1 (en) | 2000-12-29 | 2002-07-09 | Ge Medical Systems Global Technology Company, Llc | Helical rowwise view weighting of computed tomographic images |
US6522714B1 (en) * | 2001-11-09 | 2003-02-18 | Ge Medical Systems Global Technologies Company Llc | Row-wise full helical view weighting method and apparatus for CT scanners |
US6901131B2 (en) * | 2001-12-28 | 2005-05-31 | General Electric Company | Methods and apparatus for computed tomography imaging |
US6587537B1 (en) | 2002-04-01 | 2003-07-01 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for multi-slice image reconstruction |
US6775347B2 (en) * | 2002-05-29 | 2004-08-10 | Ge Medical Systems Global Technology Company | Methods and apparatus for reconstructing an image of an object |
EP1639547A2 (en) | 2003-06-18 | 2006-03-29 | Philips Intellectual Property & Standards GmbH | Computer tomography method using redundant measured values |
US7254215B2 (en) * | 2003-10-28 | 2007-08-07 | Ge Medical Systems Global Technology Company, Llc | Systems and methods for reducing radiation dosage |
JP2006000225A (ja) * | 2004-06-15 | 2006-01-05 | Canon Inc | X線ct装置 |
JP4772426B2 (ja) * | 2005-08-25 | 2011-09-14 | 株式会社東芝 | X線コンピュータ断層撮影装置 |
US7583781B2 (en) * | 2005-09-22 | 2009-09-01 | Kabushiki Kaisha Toshiba | X-Ray CT apparatus and method of controlling the same |
US7646842B2 (en) * | 2005-09-23 | 2010-01-12 | General Electric Company | Methods and apparatus for reconstructing thick image slices |
DE102005050858B3 (de) * | 2005-10-24 | 2007-03-22 | Siemens Ag | Verfahren zur Bestimmung von Mittelpunktskoordinaten eines Abbildes einer punktsymmetrischen Struktur |
JP4495109B2 (ja) * | 2006-04-06 | 2010-06-30 | 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 | X線ct装置 |
US8401144B2 (en) * | 2008-08-07 | 2013-03-19 | Koninklijke Philips Electronics N.V. | Method and apparatus for correcting artifacts in circular CT scans |
US8411814B2 (en) * | 2008-10-31 | 2013-04-02 | Analogic Corporation | Method of and apparatus for measuring center detector index on CT scanner with limited field of view access |
CN102362292A (zh) * | 2009-03-26 | 2012-02-22 | 皇家飞利浦电子股份有限公司 | 用于计算机断层摄影图像重建的方法和设备 |
WO2011030460A1 (ja) * | 2009-09-14 | 2011-03-17 | 三菱重工業株式会社 | 放射線断層撮影方法 |
US8155265B2 (en) * | 2010-07-15 | 2012-04-10 | General Electric Company | Asymmetric de-populated detector for computed tomography and method of making same |
TWI423656B (zh) * | 2010-12-31 | 2014-01-11 | Altek Corp | 數位影像之斜紋雜訊的檢測方法 |
CN103083031B (zh) * | 2011-10-31 | 2016-11-23 | Ge医疗系统环球技术有限公司 | Ct设备的螺旋扫描图像重建方法、装置和计算机程序产品 |
WO2016001836A2 (en) * | 2014-07-03 | 2016-01-07 | Koninklijke Philips N.V. | Multi-shot magnetic-resonance (mr) imaging system and method of operation thereof |
CN104545976B (zh) * | 2014-12-30 | 2017-04-19 | 上海优益基医疗器械有限公司 | 计算机体层摄影方法和装置 |
CN107714072B (zh) * | 2017-11-20 | 2019-09-20 | 中国科学院高能物理研究所 | 缺失数据的补偿方法、计算机断层扫描成像方法及系统 |
CN108226195B (zh) * | 2017-12-28 | 2023-10-13 | 清华大学 | Ct检查系统和ct成像方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2600266A1 (de) * | 1976-01-07 | 1977-07-14 | Philips Patentverwaltung | Anordnung zur ermittlung der absorption einer strahlung |
NL7908545A (nl) * | 1979-11-23 | 1981-06-16 | Philips Nv | Inrichting voor het bepalen van een stralingsabsorptie- verdeling in een vlak van een lichaam. |
US4547893A (en) * | 1981-06-12 | 1985-10-15 | Analogic Corporation | Continuous wave fan beam tomography system having a best-estimating filter |
US5524130A (en) * | 1992-08-28 | 1996-06-04 | Kabushiki Kaisha Toshiba | Computed tomography apparatus |
KR980700796A (ko) * | 1994-11-22 | 1998-03-30 | 토비 에취. 쿠스머 | 단층촬영 영상데이타의 정규화 (normalization of tomographic image data) |
US5668851A (en) * | 1996-06-21 | 1997-09-16 | Analogic Corporation | X-ray Tomography system with stabilized detector response |
-
1997
- 1997-03-31 US US08/829,062 patent/US5828718A/en not_active Expired - Fee Related
- 1997-11-10 DE DE19782117T patent/DE19782117T1/de not_active Withdrawn
- 1997-11-10 CN CNB971800405A patent/CN1165261C/zh not_active Expired - Fee Related
- 1997-11-10 WO PCT/US1997/021036 patent/WO1998023209A1/en not_active Application Discontinuation
- 1997-11-10 KR KR1019990704690A patent/KR20000057284A/ko not_active Application Discontinuation
- 1997-11-10 BR BR9713327-2A patent/BR9713327A/pt not_active Application Discontinuation
- 1997-11-10 JP JP52471698A patent/JP3609425B2/ja not_active Expired - Fee Related
- 1997-11-21 TW TW086117409A patent/TW352336B/zh active
- 1997-11-25 NL NL1007611A patent/NL1007611C2/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TW352336B (en) | 1999-02-11 |
CN1238669A (zh) | 1999-12-15 |
JP3609425B2 (ja) | 2005-01-12 |
US5828718A (en) | 1998-10-27 |
DE19782117T1 (de) | 1999-11-18 |
BR9713327A (pt) | 2000-01-25 |
JP2001506143A (ja) | 2001-05-15 |
KR20000057284A (ko) | 2000-09-15 |
CN1165261C (zh) | 2004-09-08 |
WO1998023209A1 (en) | 1998-06-04 |
NL1007611C2 (nl) | 1999-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AD1A | A request for search or an international type search has been filed | ||
RD2N | Patents in respect of which a decision has been taken or a report has been made (novelty report) |
Effective date: 19990316 |
|
PD2B | A search report has been drawn up | ||
VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20030601 |