DE602004007320D1 - System und Methode zur Röntgencomputertomographie mit Korrektur der Strahlaufhärtung - Google Patents
System und Methode zur Röntgencomputertomographie mit Korrektur der StrahlaufhärtungInfo
- Publication number
- DE602004007320D1 DE602004007320D1 DE602004007320T DE602004007320T DE602004007320D1 DE 602004007320 D1 DE602004007320 D1 DE 602004007320D1 DE 602004007320 T DE602004007320 T DE 602004007320T DE 602004007320 T DE602004007320 T DE 602004007320T DE 602004007320 D1 DE602004007320 D1 DE 602004007320D1
- Authority
- DE
- Germany
- Prior art keywords
- correction
- computed tomography
- ray computed
- beam hardening
- hardening
- 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.)
- Expired - Lifetime
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
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G9/00—Bed-pans, urinals or other sanitary devices for bed-ridden persons; Cleaning devices therefor, e.g. combined with toilet-urinals
- A61G9/003—Bed-pans
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/48—Diagnostic techniques
- A61B6/488—Diagnostic techniques involving pre-scan acquisition
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/02—Beds specially adapted for nursing; Devices for lifting patients or disabled persons with toilet conveniences, or specially adapted for use with toilets
-
- 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
- G01N23/046—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 tomography, e.g. computed tomography [CT]
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/40—Imaging
- G01N2223/419—Imaging computed tomograph
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- High Energy & Nuclear Physics (AREA)
- Biophysics (AREA)
- Theoretical Computer Science (AREA)
- Pulmonology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Nursing (AREA)
- Epidemiology (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003112906 | 2003-04-17 | ||
JP2003112906A JP3950811B2 (ja) | 2003-04-17 | 2003-04-17 | X線ct装置およびビームハードニング後処理方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602004007320D1 true DE602004007320D1 (de) | 2007-08-16 |
DE602004007320T2 DE602004007320T2 (de) | 2008-03-06 |
Family
ID=32906061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004007320T Expired - Lifetime DE602004007320T2 (de) | 2003-04-17 | 2004-04-16 | System und Methode zur Röntgencomputertomographie mit Korrektur der Strahlaufhärtung |
Country Status (6)
Country | Link |
---|---|
US (1) | US7088800B2 (de) |
EP (1) | EP1468650B1 (de) |
JP (1) | JP3950811B2 (de) |
KR (1) | KR20040090725A (de) |
CN (1) | CN100466976C (de) |
DE (1) | DE602004007320T2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3802869B2 (ja) * | 2002-12-02 | 2006-07-26 | 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 | ビームハードニング後処理方法およびx線ct装置 |
JP4679348B2 (ja) * | 2005-11-22 | 2011-04-27 | 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 |
JP5491929B2 (ja) * | 2009-04-10 | 2014-05-14 | 株式会社東芝 | X線診断装置及びその方法 |
KR101146006B1 (ko) * | 2010-05-14 | 2012-05-15 | 경희대학교 산학협력단 | 엑스선 씨티에서의 링 아티팩트 제거방법 및 장치 |
CN102110288B (zh) * | 2011-02-14 | 2012-06-27 | 东南大学 | 一种ct图像的投影弦图修补方法 |
US10013518B2 (en) | 2012-07-10 | 2018-07-03 | Kla-Tencor Corporation | Model building and analysis engine for combined X-ray and optical metrology |
CN103565459B (zh) * | 2013-09-25 | 2015-07-01 | 沈阳东软医疗系统有限公司 | 一种判断成像质量方法和装置 |
CN104700377B (zh) * | 2013-12-06 | 2019-07-30 | Ge医疗系统环球技术有限公司 | 获得对计算机断层扫描数据进行射束硬化校正的射束硬化校正系数的方法和装置 |
US10357221B2 (en) | 2014-08-22 | 2019-07-23 | Samsung Electronics Co., Ltd. | Anatomical imaging system with improved detector calibration process |
US11717252B2 (en) | 2018-08-03 | 2023-08-08 | NeuroLogica Corporation, a subsidiary of Samsung Electronics Co., Ltd. | AI-based rendered volume auto-correction for fixed and mobile x-ray imaging modalities and other imaging modalities |
CN111476856B (zh) * | 2020-04-08 | 2023-06-06 | 中北大学 | 一种多谱ct成像方法 |
CN112415568B (zh) * | 2020-10-30 | 2023-09-15 | 湖北锐世数字医学影像科技有限公司 | 能量校正方法、装置、设备、系统及计算机可读存储介质 |
CN114295653B (zh) * | 2021-11-30 | 2023-12-22 | 太仓市林源电线电缆有限公司 | 一种电工铜线的多段式在线连续检测方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5594241A (en) * | 1979-01-11 | 1980-07-17 | Hitachi Medical Corp | Xxray transverse layer device |
US4870666A (en) * | 1986-08-07 | 1989-09-26 | General Electric Company | Computer tomographic phantom |
FR2656697B1 (fr) * | 1989-12-29 | 1994-01-07 | General Electric Cgr Sa | Procede de mesure de la densite osseuse a l'aide d'un scanner. |
JP3204701B2 (ja) | 1991-11-14 | 2001-09-04 | ジーイー横河メディカルシステム株式会社 | ビームハードニング補正方法 |
US5565678A (en) * | 1995-06-06 | 1996-10-15 | Lumisys, Inc. | Radiographic image quality assessment utilizing a stepped calibration target |
US5867553A (en) * | 1995-11-02 | 1999-02-02 | Analogic Corporation | Computed tomography scanner with reduced power x-ray source |
JP3779398B2 (ja) * | 1996-11-26 | 2006-05-24 | ジーイー横河メディカルシステム株式会社 | プロジェクションデータ補正方法およびx線ct装置 |
US5774519A (en) * | 1997-01-30 | 1998-06-30 | Analogic Corporation | Method of and apparatus for calibration of CT scanners |
US5953444A (en) * | 1997-10-22 | 1999-09-14 | University Of Pennsylvania | Method for improved correction of spectrum hardening artifacts in computed tomography images |
US6148057A (en) * | 1998-11-02 | 2000-11-14 | Analogic Corporation | Apparatus and method for calibrating detectors in a computed tomography scanner |
US6505966B1 (en) * | 2000-07-07 | 2003-01-14 | General Electric Company | Method and apparatus for assessing the performance of an x-ray imaging system |
DE10035984C1 (de) * | 2000-07-24 | 2002-01-31 | Siemens Ag | Röntgen-Computertomographieeinrichtung |
DE10036142B4 (de) * | 2000-07-25 | 2004-04-29 | Siemens Ag | Röntgen-Computertomographieeinrichtung |
US6507633B1 (en) * | 2001-02-15 | 2003-01-14 | The Regents Of The University Of Michigan | Method for statistically reconstructing a polyenergetic X-ray computed tomography image and image reconstructor apparatus utilizing the method |
JP3802869B2 (ja) * | 2002-12-02 | 2006-07-26 | 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 | ビームハードニング後処理方法およびx線ct装置 |
JP4142482B2 (ja) * | 2003-04-04 | 2008-09-03 | 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 |
-
2003
- 2003-04-17 JP JP2003112906A patent/JP3950811B2/ja not_active Expired - Fee Related
-
2004
- 2004-04-15 US US10/825,526 patent/US7088800B2/en not_active Expired - Fee Related
- 2004-04-16 CN CNB2004100368838A patent/CN100466976C/zh not_active Expired - Fee Related
- 2004-04-16 EP EP04252253A patent/EP1468650B1/de not_active Expired - Fee Related
- 2004-04-16 DE DE602004007320T patent/DE602004007320T2/de not_active Expired - Lifetime
- 2004-04-16 KR KR1020040026034A patent/KR20040090725A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CN1550214A (zh) | 2004-12-01 |
KR20040090725A (ko) | 2004-10-26 |
DE602004007320T2 (de) | 2008-03-06 |
EP1468650A1 (de) | 2004-10-20 |
US7088800B2 (en) | 2006-08-08 |
JP3950811B2 (ja) | 2007-08-01 |
JP2004313524A (ja) | 2004-11-11 |
CN100466976C (zh) | 2009-03-11 |
EP1468650B1 (de) | 2007-07-04 |
US20040208290A1 (en) | 2004-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE602005003738D1 (de) | Verfahren und System zur CT Bildrekonstruktion mit Korrektur der Rohdaten | |
DE602004007320D1 (de) | System und Methode zur Röntgencomputertomographie mit Korrektur der Strahlaufhärtung | |
DE60304786D1 (de) | Röntgen-Computertomograph | |
DE60205682D1 (de) | Bildverarbeitungsverfahren mit Korrektur der Strahlungsaufhärtung | |
DE602004013257D1 (de) | Implantate mit lebender Gewebe zur Reparatur von Gewebeschäden oder Gewebedefekten | |
FI20060532A0 (fi) | Menetelmä ja laitteisto lääketieteelliseen röntgenkuvantamiseen | |
NL1032848A1 (nl) | Röntgen-CT-beeldvormingswerkwijze en röntgen-CT-apparatuur. | |
FI20080147A (fi) | Maksillofasiaalisen alueen röntgen-tietokonetomografiakuvan kuvantamismenetelmä, röntgen-tietokonetomografialaite ja röntgenkuvan kuvantamislaite | |
DE602004009359D1 (de) | Computertomograph und Verfahren zur Erzeugung von tomographischen Bildern | |
IL183878A0 (en) | Positron emission tomography imaging method | |
EP1627410A4 (de) | Computerisiertes tomografiesystem zur bilddarstellung des menschen und von kleintieren | |
NO20055317D0 (no) | Fremgangsmate og system for medisinsk undersokelse hjemme | |
FI20085470L (fi) | Lääketieteellinen digitaalinen röntgenkuvauslaite ja lääketieteellinen digitaalinen röntgenanturi | |
EP1847288A4 (de) | Medizinischer katheterschlauch und herstellungsverfahren dafür | |
EP1827478A4 (de) | Verfahren zur behandlung von verletzten oder erkrankten gelenken | |
DE60317641D1 (de) | Verfahren und system zur steuerung der bohrlochzirkulationsrate | |
DE602004030071D1 (de) | Korrektur der Strahlaufhärtung und der mangelnden Gleichförmigkeit der Detektorkanäle in einem Computertomographen mittels eines Phantoms mit länglichem, z.B. elliptischem Querschnitt | |
DK1937172T3 (da) | Medicinsk indretning til behandling af knoglebrud eller fiksering af stabiliseringselementer på knogledele | |
FI20035113A (fi) | Menetelmä ja järjestelmä digitaalisessa kuvannuksessa valotuksen säätämiseksi ja vastaava laite | |
DK1848415T3 (da) | Kombinationsterapi med glatirameracetat og rasagilin til behandling af multipel sklerose | |
DE602004024613D1 (de) | Medizinisches Bildaufnahmesystem und medizinisches Bildverwaltungsverfahren | |
DE60041850D1 (de) | Verfahren und Vorrichtung zur Ausrichtung des Röntgenstrahls eines bildgebenden Computertomographens | |
DE602004031134D1 (de) | Pharmazeutische zusammensetzungen und verfahren zur verwendung von levodopa und carbidopa | |
FI20050271A (fi) | Hammaslääketieteellinen tietokonetomografiakuvantaminen | |
DE602006009905D1 (de) | Vorrichtung und Methode zur Unterscheidung von Cerenkovstrahlung und Szintillationsstrahlung |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |