NL1005515C2 - Gecomputeriseerde tomografiestelsels met bewegingsartefactonderdrukkingsfilter. - Google Patents
Gecomputeriseerde tomografiestelsels met bewegingsartefactonderdrukkingsfilter. Download PDFInfo
- Publication number
- NL1005515C2 NL1005515C2 NL1005515A NL1005515A NL1005515C2 NL 1005515 C2 NL1005515 C2 NL 1005515C2 NL 1005515 A NL1005515 A NL 1005515A NL 1005515 A NL1005515 A NL 1005515A NL 1005515 C2 NL1005515 C2 NL 1005515C2
- Authority
- NL
- Netherlands
- Prior art keywords
- projection
- data
- angle
- angles
- projections
- Prior art date
Links
- 230000033001 locomotion Effects 0.000 title claims description 126
- 230000001629 suppression Effects 0.000 title claims description 26
- 238000003325 tomography Methods 0.000 title claims description 7
- 238000005259 measurement Methods 0.000 claims description 99
- 238000013459 approach Methods 0.000 claims description 20
- 238000012937 correction Methods 0.000 claims description 17
- 230000007423 decrease Effects 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 238000003384 imaging method Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 description 49
- 230000006870 function Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000002591 computed tomography Methods 0.000 description 4
- 230000008707 rearrangement Effects 0.000 description 4
- 230000015654 memory Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012886 linear function Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 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]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/161—Applications in the field of nuclear medicine, e.g. in vivo counting
- G01T1/164—Scintigraphy
- G01T1/1641—Static instruments for imaging the distribution of radioactivity in one or two dimensions using one or several scintillating elements; Radio-isotope cameras
- G01T1/1648—Ancillary equipment for scintillation cameras, e.g. reference markers, devices for removing motion artifacts, calibration devices
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- High Energy & Nuclear Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/614,623 US5671263A (en) | 1996-03-13 | 1996-03-13 | Motion artifact suppression filter for use in computed tomography systems |
| US61462396 | 1996-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL1005515A1 NL1005515A1 (nl) | 1997-09-17 |
| NL1005515C2 true NL1005515C2 (nl) | 1998-07-20 |
Family
ID=24462057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL1005515A NL1005515C2 (nl) | 1996-03-13 | 1997-03-12 | Gecomputeriseerde tomografiestelsels met bewegingsartefactonderdrukkingsfilter. |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5671263A (fr) |
| JP (1) | JPH11505462A (fr) |
| KR (1) | KR19990014762A (fr) |
| BR (1) | BR9702090A (fr) |
| DE (1) | DE19780211T1 (fr) |
| NL (1) | NL1005515C2 (fr) |
| WO (1) | WO1997033516A1 (fr) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19621387C1 (de) * | 1996-05-28 | 1997-11-13 | Siemens Ag | Röntgenaufnahmeeinrichtung |
| EP0864999A3 (fr) | 1997-03-13 | 1999-09-08 | Philips Patentverwaltung GmbH | Processeur d'images et procédé pour le diagnostic médical |
| 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 |
| US6233478B1 (en) | 1998-09-28 | 2001-05-15 | Advanced Research & Technology Institute | Apparatus and method for constructing computed tomography image slices of an object undergoing cyclic motion |
| US6148058A (en) * | 1998-10-23 | 2000-11-14 | Analogic Corporation | System and method for real time measurement of detector offset in rotating-patient CT scanner |
| JP4768899B2 (ja) * | 1999-03-17 | 2011-09-07 | 株式会社東芝 | Ｘ線ｃｔ装置 |
| KR100357742B1 (ko) * | 2000-09-18 | 2002-10-25 | 한국전기연구원 | 평판 디지털 엑스-레이 검출기의 특성 오류 정정 방법 |
| US6480560B2 (en) * | 2001-03-16 | 2002-11-12 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for motion gating using CT projection data |
| DE10123797B4 (de) * | 2001-05-16 | 2006-10-19 | Siemens Ag | Verfahren zur Herstellung eines Bildes mit einem Computertomographen |
| DE10133524A1 (de) * | 2001-07-11 | 2003-01-30 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Korrektur des Dynamikfehlers eines Sensors |
| AU2002360580A1 (en) * | 2001-12-14 | 2003-06-30 | Wisconsin Alumni Research Foundation | Virtual spherical anode computed tomography |
| CN100518645C (zh) * | 2003-09-29 | 2009-07-29 | Ge医疗系统环球技术有限公司 | 图像重构、投影数据评价方法及计算x线体层照相装置 |
| EP1719082A1 (fr) | 2004-02-13 | 2006-11-08 | Philips Intellectual Property & Standards GmbH | Compensation d'artefacts de mouvement |
| US7085342B2 (en) * | 2004-04-22 | 2006-08-01 | Canamet Canadian National Medical Technologies Inc | Method for tracking motion phase of an object for correcting organ motion artifacts in X-ray CT systems |
| JP4498023B2 (ja) * | 2004-06-15 | 2010-07-07 | キヤノン株式会社 | Ｘ線ｃｔ装置 |
| US7154987B2 (en) * | 2004-09-09 | 2006-12-26 | The Regents Of The University Of Michigan | Projection gating of x-ray CT scan |
| US7782998B2 (en) * | 2004-12-21 | 2010-08-24 | General Electric Company | Method and apparatus for correcting motion in image reconstruction |
| US7298882B2 (en) * | 2005-02-15 | 2007-11-20 | Siemens Aktiengesellschaft | Generalized measure of image quality in medical X-ray imaging |
| JP4820561B2 (ja) * | 2005-03-14 | 2011-11-24 | 株式会社東芝 | 核医学診断装置 |
| US7711170B2 (en) * | 2005-05-10 | 2010-05-04 | General Electric Company | Method and system for filtering scan data |
| JP4777007B2 (ja) * | 2005-08-03 | 2011-09-21 | 東芝メディカルシステムズ株式会社 | Ｘ線コンピュータ断層撮影装置 |
| US7656990B2 (en) * | 2006-09-19 | 2010-02-02 | The Board Of Trustees Of The Leland Stanford Junior University | Adaptive anisotropic filtering of projection data for computed tomography |
| US7542541B2 (en) * | 2006-10-20 | 2009-06-02 | General Electric Company | View weighting methods and apparatus |
| US8355557B2 (en) * | 2008-10-10 | 2013-01-15 | Siemens Aktiengesellschaft | System and method for decomposed temporal filtering for X-ray guided intervention application |
| DE102009004580A1 (de) * | 2009-01-14 | 2010-07-15 | Siemens Aktiengesellschaft | Abtast- und Rekonstruktionsverfahren eines CT-Systems und CT-System |
| JP2012137460A (ja) * | 2010-12-28 | 2012-07-19 | Hitachi Ltd | 放射線撮像装置及び画像処理方法 |
| US8811707B2 (en) | 2011-08-25 | 2014-08-19 | General Electric Company | System and method for distributed processing of tomographic images |
| US20130051644A1 (en) * | 2011-08-29 | 2013-02-28 | General Electric Company | Method and apparatus for performing motion artifact reduction |
| KR101821046B1 (ko) | 2016-07-13 | 2018-01-23 | 연세대학교 산학협력단 | Ct 영상의 금속 인공물 측정 방법 및 장치, 금속 인공물 보정 결정 방법 |
| KR101964844B1 (ko) * | 2016-07-22 | 2019-04-03 | 주식회사 바텍 | 움직임 보상에 기반한 ct 데이터 재구성 방법 및 장치 |
| FR3082650B1 (fr) * | 2018-06-19 | 2021-08-27 | Hera Mi | Systeme et procede pour le traitement d'au moins une region polluante d'une image numerique d'un element expose a des rayons x |
| WO2020047689A1 (fr) * | 2018-09-05 | 2020-03-12 | 武汉四方光电科技有限公司 | Procédé et appareil de mesure simultanée de concentrations massiques de matière particulaire à différentes tailles de particules |
| JP7233251B2 (ja) | 2019-02-28 | 2023-03-06 | キヤノン株式会社 | 情報処理装置、情報処理装置の制御方法及びプログラム |
| GB2632666A (en) * | 2023-08-15 | 2025-02-19 | Elekta ltd | Method and system for image reconstruction |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0130497A2 (fr) * | 1983-06-30 | 1985-01-09 | International Business Machines Corporation | Technique d'alignement pour un faisceau de balayage |
| US5473663A (en) * | 1994-09-12 | 1995-12-05 | General Electric Company | Method for evaluating the performance of detectors in a computed tomography system |
| US5473656A (en) * | 1994-09-15 | 1995-12-05 | General Electric Company | Computed tomography system with correction for z-axis detector non-uniformity |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5229934A (en) * | 1990-06-18 | 1993-07-20 | Picker International, Inc. | Post-processing technique for cleaning up streaks and artifacts in diagnostic images |
| US5416815A (en) * | 1993-07-02 | 1995-05-16 | General Electric Company | Adaptive filter for reducing streaking artifacts in x-ray tomographic images |
| US5446799A (en) * | 1993-11-01 | 1995-08-29 | Picker International, Inc. | CT Scanner with improved processing efficiency 180 degrees+ fan angle reconstruction system |
-
1996
- 1996-03-13 US US08/614,623 patent/US5671263A/en not_active Expired - Fee Related
-
1997
- 1997-02-25 KR KR1019970708105A patent/KR19990014762A/ko not_active Abandoned
- 1997-02-25 WO PCT/US1997/003053 patent/WO1997033516A1/fr not_active Ceased
- 1997-02-25 BR BR9702090A patent/BR9702090A/pt not_active Application Discontinuation
- 1997-02-25 JP JP9532629A patent/JPH11505462A/ja active Pending
- 1997-02-25 DE DE19780211T patent/DE19780211T1/de not_active Withdrawn
- 1997-03-12 NL NL1005515A patent/NL1005515C2/nl not_active IP Right Cessation
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0130497A2 (fr) * | 1983-06-30 | 1985-01-09 | International Business Machines Corporation | Technique d'alignement pour un faisceau de balayage |
| US5473663A (en) * | 1994-09-12 | 1995-12-05 | General Electric Company | Method for evaluating the performance of detectors in a computed tomography system |
| US5473656A (en) * | 1994-09-15 | 1995-12-05 | General Electric Company | Computed tomography system with correction for z-axis detector non-uniformity |
Also Published As
| Publication number | Publication date |
|---|---|
| US5671263A (en) | 1997-09-23 |
| NL1005515A1 (nl) | 1997-09-17 |
| WO1997033516A1 (fr) | 1997-09-18 |
| BR9702090A (pt) | 1999-02-02 |
| JPH11505462A (ja) | 1999-05-21 |
| KR19990014762A (ko) | 1999-02-25 |
| DE19780211T1 (de) | 1999-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AD1A | A request for search or an international type search has been filed | ||
| PD2B | A search report has been drawn up | ||
| VD1 | Lapsed due to non-payment of the annual fee |
Effective date: 20021001 |