DK389889D0 - Fremgangsmaade og apparat til estimering af legemskonturer i viftestraaleberegnede tomografisystemer - Google Patents
Fremgangsmaade og apparat til estimering af legemskonturer i viftestraaleberegnede tomografisystemerInfo
- Publication number
- DK389889D0 DK389889D0 DK389889A DK389889A DK389889D0 DK 389889 D0 DK389889 D0 DK 389889D0 DK 389889 A DK389889 A DK 389889A DK 389889 A DK389889 A DK 389889A DK 389889 D0 DK389889 D0 DK 389889D0
- Authority
- DK
- Denmark
- Prior art keywords
- procedure
- body contacts
- tomography systems
- estimating body
- tomographic
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000003325 tomography Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
-
- 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]
- A61B6/037—Emission tomography
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
-
- 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)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Optics & Photonics (AREA)
- Algebra (AREA)
- High Energy & Nuclear Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Biophysics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Nuclear Medicine (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/230,064 US4984159A (en) | 1988-08-09 | 1988-08-09 | Method and apparatus for estimating elliptical body contours in fan beam computed tomographic systems |
Publications (2)
Publication Number | Publication Date |
---|---|
DK389889D0 true DK389889D0 (da) | 1989-08-09 |
DK389889A DK389889A (da) | 1990-02-10 |
Family
ID=22863813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK389889A DK389889A (da) | 1988-08-09 | 1989-08-09 | Fremgangsmaade og apparat til estimering af legemskonturer i viftestraaleberegnede tomografisystemer |
Country Status (5)
Country | Link |
---|---|
US (1) | US4984159A (da) |
EP (1) | EP0354763A3 (da) |
JP (1) | JPH02125371A (da) |
DK (1) | DK389889A (da) |
IL (1) | IL90806A0 (da) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2957623B2 (ja) * | 1990-01-31 | 1999-10-06 | 株式会社東芝 | Spect装置用のアーチファクト乃至感度補正装置 |
US5335255A (en) * | 1992-03-24 | 1994-08-02 | Seppi Edward J | X-ray scanner with a source emitting plurality of fan beams |
US5420787A (en) * | 1992-10-26 | 1995-05-30 | The United States Of America As Represented By The Secretary Of The Department Of Human Services | System and method for separating a multi-unit signal into single-unit signals |
FR2700259A1 (fr) * | 1993-01-13 | 1994-07-13 | Gen Electric Cgr | Dispositif automatique de collimation d'un faisceau de rayons X d'un scanner et procédé de mise en Óoeuvre. |
EP0843868A1 (en) * | 1995-07-27 | 1998-05-27 | Imperial Cancer Research Technology Limited | Raw data segmentation and analysis in image tomography |
US5754618A (en) * | 1995-12-22 | 1998-05-19 | Matsushita Electric Industrial | Image processing apparatus and image processing method for favorably enhancing continuous boundaries which are affected by noise |
US5739539A (en) * | 1996-03-28 | 1998-04-14 | Adac Laboratories | Use of body boundary information to perform iterative reconstruction in medical imaging system |
JPH11155881A (ja) * | 1997-09-26 | 1999-06-15 | Olympus Optical Co Ltd | 手術経路検索装置 |
US6539103B1 (en) * | 1997-11-12 | 2003-03-25 | The University Of Utah | Method and apparatus for image reconstruction using a knowledge set |
DE10048193A1 (de) * | 2000-09-28 | 2002-04-18 | Siemens Ag | Verfahren zur Rekonstruktion von Bildinformation aus mittels eines CT-Geräts gewonnenen Messdaten |
US6850589B2 (en) * | 2002-03-27 | 2005-02-01 | Agilent Technologies, Inc. | Tomography of curved surfaces |
JP5242052B2 (ja) * | 2003-06-17 | 2013-07-24 | ブラウン ユニバーシティ | 投影データ中の構造体のモデル・ベース検出のための方法および装置 |
US7203267B2 (en) * | 2004-06-30 | 2007-04-10 | General Electric Company | System and method for boundary estimation using CT metrology |
JP2006177799A (ja) * | 2004-12-22 | 2006-07-06 | Hamamatsu Photonics Kk | ポジトロンct装置 |
US20090290773A1 (en) * | 2008-05-21 | 2009-11-26 | Varian Medical Systems, Inc. | Apparatus and Method to Facilitate User-Modified Rendering of an Object Image |
CN103258335B (zh) * | 2012-02-20 | 2015-12-16 | 上海理工大学 | 基于普通c臂机的脊柱横断面图像合成方法 |
CN103258336B (zh) * | 2012-02-20 | 2015-12-09 | 上海理工大学 | 基于扇束虚拟平移的脊柱横断面图像合成方法 |
US9572549B2 (en) * | 2012-08-10 | 2017-02-21 | Maui Imaging, Inc. | Calibration of multiple aperture ultrasound probes |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044240A (en) * | 1975-11-28 | 1977-08-23 | Picker Corporation | Tomography system having an ultra high speed processing unit |
GB1594751A (en) * | 1977-01-31 | 1981-08-05 | Tokyo Shibaura Electric Co | Method and apparatus for tomography by means of penetrating radiation |
US4293912A (en) * | 1977-09-30 | 1981-10-06 | Technicare Corporation | Tomographic apparatus |
DE2924423A1 (de) * | 1979-06-16 | 1980-12-18 | Philips Patentverwaltung | Verfahren zur ermittlung der raeumlichen verteilung der absorption von strahlung in einem ebenen bereich |
US4506327A (en) * | 1981-11-23 | 1985-03-19 | General Electric Company | Limited-angle imaging using multiple energy scanning |
US4703424A (en) * | 1985-01-03 | 1987-10-27 | General Electric Company | Method and means of correcting for a shift in the center of rotation of a rotating fan beam CT system |
JPS61220628A (ja) * | 1985-03-28 | 1986-09-30 | 株式会社 日立メデイコ | X線動態像計測装置 |
US4771469A (en) * | 1986-06-30 | 1988-09-13 | Honeywell Inc. | Means and method of representing an object shape by hierarchical boundary decomposition |
-
1988
- 1988-08-09 US US07/230,064 patent/US4984159A/en not_active Expired - Fee Related
-
1989
- 1989-06-30 IL IL90806A patent/IL90806A0/xx not_active IP Right Cessation
- 1989-08-04 JP JP1201529A patent/JPH02125371A/ja active Pending
- 1989-08-08 EP EP19890308055 patent/EP0354763A3/en not_active Withdrawn
- 1989-08-09 DK DK389889A patent/DK389889A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
IL90806A0 (en) | 1990-01-18 |
EP0354763A3 (en) | 1991-09-25 |
US4984159A (en) | 1991-01-08 |
DK389889A (da) | 1990-02-10 |
JPH02125371A (ja) | 1990-05-14 |
EP0354763A2 (en) | 1990-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment |