IL127122A - Filters for single slice helical image reconstruction in a computed tomography system - Google Patents
Filters for single slice helical image reconstruction in a computed tomography systemInfo
- Publication number
- IL127122A IL127122A IL12712298A IL12712298A IL127122A IL 127122 A IL127122 A IL 127122A IL 12712298 A IL12712298 A IL 12712298A IL 12712298 A IL12712298 A IL 12712298A IL 127122 A IL127122 A IL 127122A
- Authority
- IL
- Israel
- Prior art keywords
- filters
- computed tomography
- image reconstruction
- tomography system
- single slice
- Prior art date
Links
- 238000002591 computed tomography 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]
- A61B6/032—Transmission computed tomography [CT]
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Pulmonology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (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)
- Image Processing (AREA)
- Image Generation (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/977,440 US5963614A (en) | 1997-11-26 | 1997-11-26 | Filters for single slice helical image reconstruction in a computed tomography system |
Publications (2)
Publication Number | Publication Date |
---|---|
IL127122A0 IL127122A0 (en) | 1999-09-22 |
IL127122A true IL127122A (en) | 2003-03-12 |
Family
ID=25525128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL12712298A IL127122A (en) | 1997-11-26 | 1998-11-18 | Filters for single slice helical image reconstruction in a computed tomography system |
Country Status (5)
Country | Link |
---|---|
US (1) | US5963614A (zh) |
JP (1) | JPH11226003A (zh) |
CN (1) | CN1218935A (zh) |
DE (1) | DE19854471A1 (zh) |
IL (1) | IL127122A (zh) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19835296A1 (de) * | 1998-08-05 | 2000-02-10 | Philips Corp Intellectual Pty | Computertomograph mit kegelförmigen Strahlenbündel und helixförmiger Abtastbahn |
US7456820B1 (en) * | 1999-05-25 | 2008-11-25 | Silverbrook Research Pty Ltd | Hand drawing capture via interface surface |
US6878941B2 (en) | 2002-04-09 | 2005-04-12 | Elgems Ltd. | Gamma camera and CT system |
WO2000075691A1 (en) * | 1999-06-06 | 2000-12-14 | Elgems Ltd. | Gamma camera and ct system |
EP1420269A1 (en) * | 1999-06-06 | 2004-05-19 | Elgems Ltd. | Gamma camera and CT system |
DE10201321B4 (de) * | 2002-01-15 | 2011-02-24 | Siemens Ag | Computertomographie-Gerät und Verfahren mit aktiver Anpassung der Mess-Elektronik |
US7356115B2 (en) | 2002-12-04 | 2008-04-08 | Varian Medical Systems Technology, Inc. | Radiation scanning units including a movable platform |
US6647084B1 (en) | 2002-11-11 | 2003-11-11 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for filtering projection data of a helical scan |
US7672426B2 (en) * | 2002-12-04 | 2010-03-02 | Varian Medical Systems, Inc. | Radiation scanning units with reduced detector requirements |
US7239730B2 (en) * | 2003-01-29 | 2007-07-03 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for volume scoring calcification concentrations of a CT scan |
JP5535598B2 (ja) * | 2009-11-27 | 2014-07-02 | 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 |
US8478013B2 (en) * | 2010-05-25 | 2013-07-02 | Kabushiki Kaisha Toshiba | Automatic motion map generation in helical CT |
CN104337527B (zh) * | 2013-08-07 | 2018-08-03 | 上海联影医疗科技有限公司 | 控制切片灵敏度分布的方法及装置 |
KR101844513B1 (ko) * | 2016-08-11 | 2018-04-02 | 삼성전자주식회사 | 단층 영상 처리 장치 및 단층 영상 처리 방법 |
CN107981877B (zh) * | 2016-10-27 | 2021-01-05 | 北京东软医疗设备有限公司 | 扫描设备的采样方法和采样装置 |
CN114593699B (zh) * | 2022-03-07 | 2023-06-23 | 中国石油大学(华东) | 一种基于重构模型螺旋线的结构尺寸测量方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5430783A (en) * | 1992-08-07 | 1995-07-04 | General Electric Company | Reconstruction method for helical scanning computed tomography apparatus with multi-row detector array employing overlapping beams |
-
1997
- 1997-11-26 US US08/977,440 patent/US5963614A/en not_active Expired - Lifetime
-
1998
- 1998-11-18 IL IL12712298A patent/IL127122A/xx not_active IP Right Cessation
- 1998-11-19 JP JP10328941A patent/JPH11226003A/ja not_active Withdrawn
- 1998-11-25 DE DE19854471A patent/DE19854471A1/de not_active Withdrawn
- 1998-11-25 CN CN98122587A patent/CN1218935A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US5963614A (en) | 1999-10-05 |
JPH11226003A (ja) | 1999-08-24 |
CN1218935A (zh) | 1999-06-09 |
IL127122A0 (en) | 1999-09-22 |
DE19854471A1 (de) | 1999-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Patent granted | ||
KB | Patent renewed | ||
KB | Patent renewed | ||
MM9K | Patent not in force due to non-payment of renewal fees |