ATE534046T1 - Dynamische optimierung des signal- rausch- verhältnisses von doppelenergie-dämpfungsdaten für die rekonstruierung von bildern - Google Patents
Dynamische optimierung des signal- rausch- verhältnisses von doppelenergie-dämpfungsdaten für die rekonstruierung von bildernInfo
- Publication number
- ATE534046T1 ATE534046T1 AT07735120T AT07735120T ATE534046T1 AT E534046 T1 ATE534046 T1 AT E534046T1 AT 07735120 T AT07735120 T AT 07735120T AT 07735120 T AT07735120 T AT 07735120T AT E534046 T1 ATE534046 T1 AT E534046T1
- Authority
- AT
- Austria
- Prior art keywords
- noise ratio
- signal
- attenuation data
- ray
- reconstruction
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06111885 | 2006-03-29 | ||
PCT/IB2007/050884 WO2007110796A2 (en) | 2006-03-29 | 2007-03-15 | Dynamic optimization of the signal-to-noise ratio of dual-energy attenuation data for reconstructing images |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE534046T1 true ATE534046T1 (de) | 2011-12-15 |
Family
ID=38541515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07735120T ATE534046T1 (de) | 2006-03-29 | 2007-03-15 | Dynamische optimierung des signal- rausch- verhältnisses von doppelenergie-dämpfungsdaten für die rekonstruierung von bildern |
Country Status (5)
Country | Link |
---|---|
US (1) | US8155422B2 (de) |
EP (1) | EP2002287B1 (de) |
CN (1) | CN101416073B (de) |
AT (1) | ATE534046T1 (de) |
WO (1) | WO2007110796A2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101900695B (zh) * | 2009-05-27 | 2011-11-23 | 清华大学 | 伪双能欠采样物质识别***和方法 |
CN101897595B (zh) * | 2009-05-28 | 2013-02-27 | 株式会社东芝 | X射线计算机断层摄影*** |
KR20110032047A (ko) * | 2009-09-22 | 2011-03-30 | 삼성전자주식회사 | 멀티-에너지 x선 시스템 및 멀티-에너지 x선 물질 분리 이미지 처리 장치와, 멀티-에너지 x선 시스템의 물질 분리 이미지 처리 방법 |
US9004757B2 (en) * | 2010-03-24 | 2015-04-14 | PaloDEx Grou Oy | Systems, assemblies, computer readable media and methods for medical imaging |
US8422636B2 (en) | 2010-10-12 | 2013-04-16 | Ge Medical Systems Israel, Ltd. | Photon counting and energy discriminating detector threshold calibration |
GB2496126A (en) * | 2011-10-31 | 2013-05-08 | Univ Antwerpen | Dynamic tomography angle selection using information function |
DE102012202608B4 (de) * | 2012-02-21 | 2019-11-14 | Siemens Healthcare Gmbh | Verfahren zum Durchführen einer Röntgenuntersuchung auf einem Röntgengerät |
DE102013200400A1 (de) | 2012-09-24 | 2014-05-28 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Bestimmung der durch das zu untersuchende Objekt verursachten Abschwächung der Röntgenstrahlung |
TWI506272B (zh) * | 2012-10-11 | 2015-11-01 | Ind Tech Res Inst | 影像重建方法與系統及影像建構方法與系統 |
CN103720482B (zh) | 2012-10-11 | 2016-01-20 | 财团法人工业技术研究院 | 影像重建方法与***及影像建构方法与*** |
CN105122085B (zh) * | 2013-10-09 | 2019-01-11 | 皇家飞利浦有限公司 | 利用调整的能量阈值用于生成能量分辨x射线图像的方法和设备 |
DE102014013082A1 (de) * | 2014-09-09 | 2016-03-10 | Forschungszentrum Jülich GmbH | Anordnung für polarisierte Neutronenstrahlen und Verfahren zur Polarisationsanalyse |
JP6746599B2 (ja) * | 2015-02-23 | 2020-08-26 | メイヨ フォンデーシヨン フォー メディカル エジュケーション アンド リサーチ | 光子計数コンピュータ断層撮影のための画像技術パラメータを最適化する方法 |
US10078150B2 (en) | 2015-04-14 | 2018-09-18 | Board Of Regents, The University Of Texas System | Detecting and quantifying materials in containers utilizing an inverse algorithm with adaptive regularization |
JP7015781B2 (ja) * | 2015-07-24 | 2022-02-03 | フォト・ダイアグノスティック・システムズ,インコーポレイテッド | 多重エネルギー(二重エネルギーを含む)コンピュータ断層撮影(ct)イメージングを行うための方法および装置 |
US10733792B2 (en) | 2016-02-11 | 2020-08-04 | Pie Medical Imaging B.V. | Method and apparatus for user guidance for the choice of a two-dimensional angiographic projection |
EP3206183A1 (de) | 2016-02-11 | 2017-08-16 | Pie Medical Imaging BV | Verfahren und vorrichtung zur benutzerführung zur auswahl einer zweidimensionalen angiografischen projektion |
US11317886B2 (en) * | 2017-01-25 | 2022-05-03 | Canon Medical Systems Corporation | X-ray CT apparatus and imaging management apparatus |
EP3378396A1 (de) | 2017-03-23 | 2018-09-26 | Koninklijke Philips N.V. | Röntgenbilddatenverarbeitungsvorrichtung und verfahren |
US10573030B2 (en) | 2017-04-07 | 2020-02-25 | Photo Diagnostic Systems, Inc. | Method for artifact reduction using monoenergetic data in computed tomography |
CN110361774B (zh) * | 2019-07-18 | 2020-10-09 | 江苏康众数字医疗科技股份有限公司 | 测试x光探测器时间响应的装置及测试方法 |
EP3795082B1 (de) | 2019-09-23 | 2022-06-29 | Siemens Healthcare GmbH | Verfahren und vorrichtung zur erzeugung eines spektralen computertomographie-bilddatensatzes |
CN116568218B (zh) | 2020-11-20 | 2024-04-30 | 帕伊医疗成像有限公司 | 基于病变壁剪切应力描述符计算心肌梗塞可能性的方法和*** |
Family Cites Families (18)
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SE347859B (de) * | 1970-11-30 | 1972-08-14 | Medinova Ab | |
US3854049A (en) * | 1973-12-10 | 1974-12-10 | Wisconsin Alumni Res Found | Compensation for patient thickness variations in differential x-ray transmission imaging |
US5115394A (en) * | 1983-11-25 | 1992-05-19 | Technicare Corporation | Dual energy computerized tomography system |
SU1261143A1 (ru) | 1985-06-12 | 1986-09-30 | Московский Ордена Трудового Красного Знамени Научно-Исследовательский Рентгенорадиологический Институт | Устройство дл измерени высокого напр жени рентгеновского аппарата |
US4868857A (en) | 1987-10-30 | 1989-09-19 | Duke University | Variable compensation method and apparatus for radiological images |
US5081659A (en) * | 1987-10-30 | 1992-01-14 | Duke University | Variable compensation method and apparatus for radiological images |
US6285741B1 (en) | 1998-08-25 | 2001-09-04 | General Electric Company | Methods and apparatus for automatic image noise reduction |
US6683934B1 (en) * | 2000-06-05 | 2004-01-27 | General Electric Company | Dual energy x-ray imaging system and method for radiography and mammography |
US6408050B1 (en) * | 2000-09-14 | 2002-06-18 | Ge Medical Systems Global Technology Company, Llc | X-ray detector and method for tissue specific image |
AU2001294697A1 (en) * | 2000-09-29 | 2002-04-08 | Analogic Corporation | Method of and system for improving the signal to noise characteristics of imagesfrom a digital |
WO2002038045A2 (en) * | 2000-11-08 | 2002-05-16 | The Johns Hopkins University | Techniques for deriving tissue structure from multiple projection dual-energy x-ray absorptiometry |
US7187794B2 (en) | 2001-10-18 | 2007-03-06 | Research Foundation Of State University Of New York | Noise treatment of low-dose computed tomography projections and images |
DE10237546B4 (de) | 2002-08-16 | 2007-11-29 | Siemens Ag | Röntgen-Computertomographie-Gerät mit Filter |
US7769138B2 (en) | 2004-03-29 | 2010-08-03 | Cmt Medical Technologies Ltd. | Apparatus and method of improved angiographic imaging |
US7190757B2 (en) * | 2004-05-21 | 2007-03-13 | Analogic Corporation | Method of and system for computing effective atomic number images in multi-energy computed tomography |
US7583779B2 (en) * | 2004-11-24 | 2009-09-01 | General Electric Company | System and method for acquisition and reconstruction of contrast-enhanced, artifact-reduced CT images |
DE602007003203D1 (de) * | 2006-03-29 | 2009-12-24 | Philips Intellectual Property | Rauschminderung bei doppelenergie-röntgenbildgebung |
US7826587B1 (en) * | 2009-09-11 | 2010-11-02 | General Electric Company | System and method of fast kVp switching for dual energy CT |
-
2007
- 2007-03-15 EP EP07735120A patent/EP2002287B1/de active Active
- 2007-03-15 CN CN2007800119057A patent/CN101416073B/zh active Active
- 2007-03-15 WO PCT/IB2007/050884 patent/WO2007110796A2/en active Application Filing
- 2007-03-15 US US12/293,835 patent/US8155422B2/en active Active
- 2007-03-15 AT AT07735120T patent/ATE534046T1/de active
Also Published As
Publication number | Publication date |
---|---|
EP2002287B1 (de) | 2011-11-16 |
EP2002287A2 (de) | 2008-12-17 |
WO2007110796A3 (en) | 2008-01-24 |
WO2007110796A2 (en) | 2007-10-04 |
CN101416073B (zh) | 2012-06-13 |
US20100232669A1 (en) | 2010-09-16 |
CN101416073A (zh) | 2009-04-22 |
US8155422B2 (en) | 2012-04-10 |
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