JP2004000508A - オブジェクト関数の決定方法 - Google Patents
オブジェクト関数の決定方法 Download PDFInfo
- Publication number
- JP2004000508A JP2004000508A JP2003070636A JP2003070636A JP2004000508A JP 2004000508 A JP2004000508 A JP 2004000508A JP 2003070636 A JP2003070636 A JP 2003070636A JP 2003070636 A JP2003070636 A JP 2003070636A JP 2004000508 A JP2004000508 A JP 2004000508A
- Authority
- JP
- Japan
- Prior art keywords
- projection
- projections
- image
- projection direction
- determining
- 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.)
- Ceased
Links
Images
Classifications
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
-
- 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
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/044—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using laminography or tomosynthesis
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/424—Iterative
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Pathology (AREA)
- Theoretical Computer Science (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Analysis (AREA)
- Algebra (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Pure & Applied Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Nuclear Medicine (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10211485A DE10211485A1 (de) | 2002-03-15 | 2002-03-15 | Verfahren zur Bestimmung einer Objektfunktion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004000508A true JP2004000508A (ja) | 2004-01-08 |
| JP2004000508A5 JP2004000508A5 (enExample) | 2006-04-27 |
Family
ID=27771348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003070636A Ceased JP2004000508A (ja) | 2002-03-15 | 2003-03-14 | オブジェクト関数の決定方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7206441B2 (enExample) |
| JP (1) | JP2004000508A (enExample) |
| DE (1) | DE10211485A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006025868A (ja) * | 2004-07-12 | 2006-02-02 | Ge Medical Systems Global Technology Co Llc | 画像処理装置及び画像処理方法並びにx線ctシステム |
| JP2010524622A (ja) * | 2007-04-27 | 2010-07-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | プロペラmri用磁気共鳴装置及び方法 |
| JP2012011181A (ja) * | 2010-06-03 | 2012-01-19 | Toshiba Corp | 医用画像診断装置および画像再構成方法 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0409572D0 (en) * | 2004-04-29 | 2004-06-02 | Univ Sheffield | High resolution imaging |
| JP4861821B2 (ja) | 2004-11-12 | 2012-01-25 | 株式会社東芝 | 磁気共鳴イメージング装置および画像データ補正装置 |
| DE102005051620A1 (de) * | 2005-10-27 | 2007-05-03 | Siemens Ag | Verfahren zur Rekonstruktion einer tomographischen Darstellung eines Objektes |
| CN100565586C (zh) * | 2006-03-10 | 2009-12-02 | Ge医疗系统环球技术有限公司 | 图像重建方法和x射线ct设备 |
| US20080056432A1 (en) * | 2006-08-30 | 2008-03-06 | General Electric Company | Reconstruction of CT projection data |
| US7558414B2 (en) * | 2006-09-11 | 2009-07-07 | Case Western Reserve University | Iterative image reconstruction |
| DE102006057747B4 (de) * | 2006-09-27 | 2015-10-15 | Osram Opto Semiconductors Gmbh | Halbleiterkörper und Halbleiterchip mit einem Halbleiterkörper |
| DE102006061078A1 (de) * | 2006-12-22 | 2008-07-17 | Siemens Ag | Verfahren zum Betrieb einer hybriden medizinischen Bildgebungseinheit, umfassend eine erste Bildgebungseinrichtung mit hoher Ortsauflösung und eine zweite nuklearmedizinische Bildgebungseinrichtung mit hoher Sensitivität |
| EP1959397B1 (en) | 2007-02-19 | 2019-08-07 | Wisconsin Alumni Research Foundation | Iterative HYPR medical image reconstruction |
| US20120128265A1 (en) * | 2010-11-23 | 2012-05-24 | Toshiba Medical Systems Corporation | Method and system utilizing iterative reconstruction with adaptive parameters for computer tomography (ct) images |
| WO2013154834A1 (en) * | 2012-04-11 | 2013-10-17 | Dignity Health | System and method for magnetic resonance imaging using three-dimensional, distributed, non-cartesian sampling trajectories |
| EP3082606B1 (en) * | 2013-12-17 | 2017-11-22 | Koninklijke Philips N.V. | Projection data acquisition apparatus |
| US11972511B2 (en) * | 2021-07-09 | 2024-04-30 | Carl Zeiss X-ray Microscopy, Inc. | Accessible neural network image processing workflow |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4134127C1 (en) * | 1991-10-15 | 1993-04-08 | Siemens Ag, 8000 Muenchen, De | Medical imaging machine operating on folding back-projection principle - images areas beyond object and subtracts image produced by back projection of correction projections from originally generated image |
| US5414623A (en) * | 1992-05-08 | 1995-05-09 | Iowa State University Research Foundation | Optoelectronic system for implementation of iterative computer tomography algorithms |
| US5625190A (en) * | 1995-07-11 | 1997-04-29 | General Electric Company | Forward projection algorithm |
| US5907594A (en) * | 1997-07-01 | 1999-05-25 | Analogic Corporation | Reconstruction of volumetric images by successive approximation in cone-beam computed tomography systems |
| US5982845A (en) * | 1998-04-07 | 1999-11-09 | Picker International, Inc. | Forward projection and backprojection processor |
| JP3992389B2 (ja) * | 1999-01-11 | 2007-10-17 | 株式会社日立メディコ | X線ct装置及びファントム |
| US6281681B1 (en) * | 1999-01-28 | 2001-08-28 | General Electric Company | Magnetic resonance imaging with interleaved Fibonacci spiral scanning |
| US6410919B1 (en) * | 1999-11-19 | 2002-06-25 | Wisconsin Alumni Research Foundation | Positron gun for pet attenuation measurements |
-
2002
- 2002-03-15 DE DE10211485A patent/DE10211485A1/de not_active Withdrawn
-
2003
- 2003-03-13 US US10/387,828 patent/US7206441B2/en not_active Expired - Fee Related
- 2003-03-14 JP JP2003070636A patent/JP2004000508A/ja not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006025868A (ja) * | 2004-07-12 | 2006-02-02 | Ge Medical Systems Global Technology Co Llc | 画像処理装置及び画像処理方法並びにx線ctシステム |
| JP2010524622A (ja) * | 2007-04-27 | 2010-07-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | プロペラmri用磁気共鳴装置及び方法 |
| JP2012011181A (ja) * | 2010-06-03 | 2012-01-19 | Toshiba Corp | 医用画像診断装置および画像再構成方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10211485A1 (de) | 2003-09-25 |
| US20030179918A1 (en) | 2003-09-25 |
| US7206441B2 (en) | 2007-04-17 |
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