DE112007001451B4 - Vorrichtung und Verfahren zum Verbessern einer Auflösung eines Bildes - Google Patents
Vorrichtung und Verfahren zum Verbessern einer Auflösung eines Bildes Download PDFInfo
- Publication number
- DE112007001451B4 DE112007001451B4 DE112007001451.2T DE112007001451T DE112007001451B4 DE 112007001451 B4 DE112007001451 B4 DE 112007001451B4 DE 112007001451 T DE112007001451 T DE 112007001451T DE 112007001451 B4 DE112007001451 B4 DE 112007001451B4
- Authority
- DE
- Germany
- Prior art keywords
- image
- virtual
- detector
- voxel
- approximation
- 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.)
- Active
Links
Images
Classifications
-
- 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]
- A61B6/032—Transmission computed tomography [CT]
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- 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 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
- A61B6/027—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
-
- 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
-
- 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)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Theoretical Computer Science (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- Pulmonology (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/472,572 US7583780B2 (en) | 2006-06-22 | 2006-06-22 | Systems and methods for improving a resolution of an image |
| US11/472,572 | 2006-06-22 | ||
| PCT/US2007/071917 WO2007150037A2 (en) | 2006-06-22 | 2007-06-22 | Systems and methods for improving a resolution of an image |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE112007001451T5 DE112007001451T5 (de) | 2009-05-20 |
| DE112007001451B4 true DE112007001451B4 (de) | 2016-05-25 |
Family
ID=38834424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112007001451.2T Active DE112007001451B4 (de) | 2006-06-22 | 2007-06-22 | Vorrichtung und Verfahren zum Verbessern einer Auflösung eines Bildes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7583780B2 (enExample) |
| JP (1) | JP5198443B2 (enExample) |
| CN (2) | CN103400401B (enExample) |
| DE (1) | DE112007001451B4 (enExample) |
| WO (1) | WO2007150037A2 (enExample) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7949172B2 (en) * | 2007-04-27 | 2011-05-24 | Siemens Medical Solutions Usa, Inc. | Iterative image processing |
| US8233682B2 (en) * | 2007-06-05 | 2012-07-31 | General Electric Company | Methods and systems for improving spatial and temporal resolution of computed images of moving objects |
| CA2711115A1 (en) * | 2008-01-30 | 2009-08-06 | The Regents Of The University Of California | Dose reduction and image enhancement in tomography through the utilization of the object's surroundings as dynamic constraints |
| CN102057298B (zh) * | 2008-06-06 | 2013-04-03 | 皇家飞利浦电子股份有限公司 | 用于衰减校正的方法和装置 |
| JP5537132B2 (ja) * | 2008-12-11 | 2014-07-02 | 株式会社東芝 | X線コンピュータ断層撮影装置、医用画像処理装置、及び医用画像処理プログラム |
| WO2011007270A1 (en) * | 2009-07-14 | 2011-01-20 | Koninklijke Philips Electronics, N.V. | Image reconstruction including shift-variant blur compensation |
| US8655033B2 (en) * | 2009-10-28 | 2014-02-18 | General Electric Company | Iterative reconstruction |
| JP5681924B2 (ja) * | 2009-11-27 | 2015-03-11 | ジーイー センシング アンド インスペクション テクノロジーズ ゲ−エムベーハー | サンプルの立体表現を決定するためのコンピュータ断層撮影法、コンピュータソフトウェア、計算装置およびコンピュータ断層撮影システム |
| US8731266B2 (en) * | 2009-12-17 | 2014-05-20 | General Electric Company | Method and system for correcting artifacts in image reconstruction |
| WO2011139745A2 (en) * | 2010-04-27 | 2011-11-10 | Chunlei Liu | Systems and methods for susceptibility tensor imaging |
| CN103154952A (zh) * | 2010-07-09 | 2013-06-12 | Ge传感与检测技术有限公司 | 计算层析成像方法、计算机程序、计算装置和计算层析成像系统 |
| DE102010041191B4 (de) * | 2010-09-22 | 2016-02-18 | Siemens Aktiengesellschaft | Erstellung von MR-Bilddaten mit paralleler Schichtanregung und teilweiser Überlappung der Schichten im Frequenzbereich |
| US9123098B2 (en) * | 2011-04-28 | 2015-09-01 | Hitachi Medical Corporation | Medical image processing device and medical image processing method, applying weighted penalty term in iterative approximation |
| WO2013002805A1 (en) * | 2011-06-30 | 2013-01-03 | Analogic Corporation | Iterative image reconstruction |
| US8483471B2 (en) * | 2011-06-30 | 2013-07-09 | General Electric Company | Method and system for scatter correction in X-ray imaging |
| US9159146B2 (en) * | 2011-07-08 | 2015-10-13 | Hitachi Medical Corporation | Image reconstruction device and image reconstruction method configured to perform iteratively reconstructed image using weight coefficient |
| US8837797B2 (en) * | 2012-01-10 | 2014-09-16 | Kabushiki Kaisha Toshiba | Spatial resolution improvement in computer tomography (CT) using iterative reconstruction |
| US8861827B2 (en) | 2012-02-28 | 2014-10-14 | General Electric Company | System and method for determining confidence measurements of single volume elements in computer tomography |
| DE102012217940A1 (de) * | 2012-10-01 | 2014-04-03 | Siemens Aktiengesellschaft | Rekonstruktion von Bilddaten |
| US10679104B2 (en) * | 2012-10-26 | 2020-06-09 | Varian Medical Systems, Inc. | Forward projection cylinder volume method |
| DE102012222149B4 (de) | 2012-12-04 | 2014-09-18 | Siemens Aktiengesellschaft | Verfahren zur Erzeugung von Magnetresonanzmessdaten |
| KR102060659B1 (ko) * | 2013-03-20 | 2019-12-30 | 삼성전자주식회사 | 영상 처리를 위한 투사 및 역투사 방법 및 그 영상 처리 장치 |
| JP6466085B2 (ja) * | 2013-05-27 | 2019-02-06 | キヤノンメディカルシステムズ株式会社 | X線ct装置及び画像診断装置 |
| DE102014212943B4 (de) | 2014-07-03 | 2016-11-24 | Siemens Healthcare Gmbh | Magnetresonanz-Bildgebung unter Berücksichtigung von unterschiedlichen Frequenzkodiermustern |
| US10685452B2 (en) * | 2015-06-30 | 2020-06-16 | Koninklijke Philips N.V. | Registration apparatus for registering images |
| DE102015224176A1 (de) * | 2015-12-03 | 2017-06-08 | Siemens Healthcare Gmbh | Tomografieanlage und Verfahren zum Erzeugen einer Abfolge von Volumenbildern eines Gefäßsystems |
| US10115211B2 (en) * | 2016-03-25 | 2018-10-30 | L3 Security & Detection Systems, Inc. | Systems and methods for reconstructing projection images from computed tomography volumes |
| EP3245634B1 (en) | 2016-03-31 | 2020-10-14 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for image reconstruction |
| US10055860B2 (en) * | 2016-05-27 | 2018-08-21 | Toshiba Medical Systems Corporation | Computed tomography apparatus and empirical pre-weighting method for decreasing image noise nonuniformity |
| CN107495976B (zh) * | 2016-06-14 | 2021-01-01 | 上海联影医疗科技股份有限公司 | 图像重建中的最大值和灰度值图像的获取方法及装置 |
| CN106934856B (zh) * | 2017-03-20 | 2020-04-21 | 广东电网有限责任公司电力科学研究院 | 基于x射线检测技术的三维断层重建及切片显示方法 |
| CN108064396B (zh) * | 2017-05-27 | 2021-04-30 | 上海联影医疗科技股份有限公司 | 一种在图像引导放射治疗中补偿诊察台下沉的系统和方法 |
| CN107492131B (zh) * | 2017-07-01 | 2020-06-12 | 武汉斗鱼网络科技有限公司 | 用于安卓电视的倒影生成方法、存储介质、设备及系统 |
| US10482634B2 (en) * | 2017-10-24 | 2019-11-19 | General Electric Company | Systems and methods for imaging with anisotropic voxels |
| US12100174B2 (en) * | 2021-07-26 | 2024-09-24 | GE Precision Healthcare LLC | Methods and system for dynamically annotating medical images |
| CN113450287B (zh) * | 2021-07-27 | 2024-07-26 | 北京与光科技有限公司 | 高分辨率光谱恢复方法、装置和电子设备 |
| CN115631232B (zh) * | 2022-11-02 | 2023-07-25 | 佛山读图科技有限公司 | 一种确定双探头探测器径向位置方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6768782B1 (en) * | 2002-12-16 | 2004-07-27 | University Of Notre Dame Du Lac | Iterative method for region-of-interest reconstruction |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5404293A (en) * | 1991-06-11 | 1995-04-04 | The University Of Utah | Cone beam reconstruction using helical data collection paths |
| US5907594A (en) * | 1997-07-01 | 1999-05-25 | Analogic Corporation | Reconstruction of volumetric images by successive approximation in cone-beam computed tomography systems |
| US5909476A (en) * | 1997-09-22 | 1999-06-01 | University Of Iowa Research Foundation | Iterative process for reconstructing cone-beam tomographic images |
| US6266388B1 (en) * | 1999-09-07 | 2001-07-24 | General Electric Company | Methods and apparatus for two-pass cone beam image reconstruction |
| 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 |
| US20060052821A1 (en) * | 2001-09-06 | 2006-03-09 | Ovalis, Inc. | Systems and methods for treating septal defects |
| US6702835B2 (en) * | 2001-09-07 | 2004-03-09 | Core Medical, Inc. | Needle apparatus for closing septal defects and methods for using such apparatus |
| US6776784B2 (en) * | 2001-09-06 | 2004-08-17 | Core Medical, Inc. | Clip apparatus for closing septal defects and methods of use |
| US6907102B1 (en) * | 2002-12-16 | 2005-06-14 | Ken Sauer | Iterative reconstruction methods for multi-slice computed tomography |
-
2006
- 2006-06-22 US US11/472,572 patent/US7583780B2/en active Active
-
2007
- 2007-06-22 DE DE112007001451.2T patent/DE112007001451B4/de active Active
- 2007-06-22 JP JP2009516750A patent/JP5198443B2/ja active Active
- 2007-06-22 CN CN201310233382.8A patent/CN103400401B/zh active Active
- 2007-06-22 CN CN2007800234587A patent/CN101478919B/zh active Active
- 2007-06-22 WO PCT/US2007/071917 patent/WO2007150037A2/en not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6768782B1 (en) * | 2002-12-16 | 2004-07-27 | University Of Notre Dame Du Lac | Iterative method for region-of-interest reconstruction |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070297660A1 (en) | 2007-12-27 |
| US7583780B2 (en) | 2009-09-01 |
| JP5198443B2 (ja) | 2013-05-15 |
| JP2009540966A (ja) | 2009-11-26 |
| DE112007001451T5 (de) | 2009-05-20 |
| CN103400401B (zh) | 2017-04-12 |
| WO2007150037A2 (en) | 2007-12-27 |
| CN101478919B (zh) | 2013-07-17 |
| CN101478919A (zh) | 2009-07-08 |
| WO2007150037A3 (en) | 2008-10-23 |
| CN103400401A (zh) | 2013-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE112007001451B4 (de) | Vorrichtung und Verfahren zum Verbessern einer Auflösung eines Bildes | |
| DE102009003387B4 (de) | Verfahren und System zur Bildrekonstruktion | |
| DE69233207T2 (de) | Verfahren und gerät zur bildverarbeitung. | |
| DE69918596T2 (de) | Computertomograph mit iterativer Rekonstruktion | |
| EP2193359B1 (de) | Vorrichtung und verfahren zum erzeugen einer ct-rekonstruktion eines objekts mit einem hochaufgelösten interessierenden objektbereich | |
| DE69902326T2 (de) | Bildkorrektur für ein geneigtes Gehäuse in einem Mehrschicht-Computertomograph | |
| DE69218839T2 (de) | Tomographische Bilderzeugung mittels Schrägstrahlen | |
| DE102006060493A1 (de) | Verfahren zur Ausführung einer Bildrekonstruktion unter Verwendung von Hybrid-Computertomographie-Detektoren | |
| DE10164162A1 (de) | Rückprojektionsverfahren und -vorrichtung für Computertomographieabbildungssysteme | |
| DE102012110497A1 (de) | Verfahren und Vorrichtung für iterative Rekonstruktion | |
| DE602004007930T2 (de) | TOMOGRAPHISCHES FOURIER-BILDREKONSTRUKTIONSVERFAHREN FÜR Fächerstrahl-DATEN | |
| DE602004009359T2 (de) | Computertomograph und Verfahren zur Erzeugung von tomographischen Bildern | |
| DE19914296A1 (de) | Praktische Konusbündel-Bildrekonstruktion mit Verwendung von lokalen interessierenden Bereichen | |
| DE102010029281A1 (de) | Verfahren und Bildrekonstruktionseinrichtung zur Rekonstruktion von Bilddaten | |
| DE10051462A1 (de) | Verfahren zur Strahlaufhärtungskorrektur für ein mittels eines CT-Geräts aufgenommenes Ausgangsbild | |
| DE19743217A1 (de) | Verfahren und Gerät zur Verringerung von Teilvolumen-Bildartefakten | |
| DE19647435A1 (de) | Systeme, Verfahren und Vorrichtungen zur Rekonstruktion von Bildern in eine Wendelabtastung verwendenden Computer-Tomographie-Systemen | |
| DE19526234A1 (de) | Verringerung von Artefakten durch z-abhängiges Filtern dreidimensionaler Kegelbündel-Daten | |
| DE69720229T2 (de) | Eine computertomographische methode und ein computertomograph | |
| DE102012104599A1 (de) | Verfahren und System zur Rekonstruktion tomografischer Bilder | |
| DE102005050917A1 (de) | Verfahren und Tomographiegerät zur Rekonstruktion einer tomographischen Darstellung eines Objektes | |
| DE69033924T2 (de) | Spiralabtastrechnertomographie | |
| DE4424284A1 (de) | Verfahren zum Verringern von Bildartefakten in einem tomographischen Bild | |
| DE19547277A1 (de) | Bildrekonstruktion für ein Computer-Tomographiesystem unter Verwendung einer Wendelabtastung mit Doppel-Fächerstrahl | |
| DE69932390T2 (de) | Verfahren und Vorrichtung zur Bildrekonstruktion |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed |
Effective date: 20140121 |
|
| R016 | Response to examination communication | ||
| R016 | Response to examination communication | ||
| R016 | Response to examination communication | ||
| R016 | Response to examination communication | ||
| R018 | Grant decision by examination section/examining division | ||
| R020 | Patent grant now final | ||
| R079 | Amendment of ipc main class |
Free format text: PREVIOUS MAIN CLASS: G06K0009000000 Ipc: G06V0010000000 |
|
| R081 | Change of applicant/patentee |
Owner name: THE UNIVERSITY OF NOTRE DAME DU LAC, NOTRE DAM, US Free format text: FORMER OWNERS: GENERAL ELECTRIC COMPANY, SCHENECTADY, NY, US; PURDUE RESEARCH FOUNDATION, WEST LAFAYETTE, IND., US; THE UNIVERSITY OF NOTRE DAME DU LAC, NOTRE DAME, IND., US Owner name: PURDUE RESEARCH FOUNDATION, WEST LAFAYETTE, US Free format text: FORMER OWNERS: GENERAL ELECTRIC COMPANY, SCHENECTADY, NY, US; PURDUE RESEARCH FOUNDATION, WEST LAFAYETTE, IND., US; THE UNIVERSITY OF NOTRE DAME DU LAC, NOTRE DAME, IND., US Owner name: GE PRECISION HEALTHCARE LLC, WAUKESHA, US Free format text: FORMER OWNERS: GENERAL ELECTRIC COMPANY, SCHENECTADY, NY, US; PURDUE RESEARCH FOUNDATION, WEST LAFAYETTE, IND., US; THE UNIVERSITY OF NOTRE DAME DU LAC, NOTRE DAME, IND., US |