BR112014015659A2 - método para a remoção de artefatos de um gerador de campo em 3d de uma digitalização rotacional em 3d, sistema para a remoção de artefatos de um gerador de campo em 3d de uma digitalização rotacional em 3d, e produto de programa de computador - Google Patents
método para a remoção de artefatos de um gerador de campo em 3d de uma digitalização rotacional em 3d, sistema para a remoção de artefatos de um gerador de campo em 3d de uma digitalização rotacional em 3d, e produto de programa de computadorInfo
- Publication number
- BR112014015659A2 BR112014015659A2 BR112014015659A BR112014015659A BR112014015659A2 BR 112014015659 A2 BR112014015659 A2 BR 112014015659A2 BR 112014015659 A BR112014015659 A BR 112014015659A BR 112014015659 A BR112014015659 A BR 112014015659A BR 112014015659 A2 BR112014015659 A2 BR 112014015659A2
- Authority
- BR
- Brazil
- Prior art keywords
- field generator
- rotational scan
- artifacts
- removing artifacts
- program product
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 238000004590 computer program Methods 0.000 title abstract 2
Classifications
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- 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
- A61B6/48—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 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
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5252—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data removing objects from field of view, e.g. removing patient table from a CT image
-
- 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
- A61B6/5258—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/77—Retouching; Inpainting; Scratch removal
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
- A61B2034/2051—Electromagnetic tracking systems
-
- 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
- A61B6/12—Arrangements for detecting or locating foreign bodies
-
- 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4064—Arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
- A61B6/4085—Cone-beams
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
- A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10072—Tomographic images
- G06T2207/10081—Computed x-ray tomography [CT]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10116—X-ray image
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20212—Image combination
- G06T2207/20224—Image subtraction
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- High Energy & Nuclear Physics (AREA)
- Biophysics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Image Processing (AREA)
Abstract
resumo método para a remoção de artefatos de um gerador de campo em 3d de uma digitalização rotacional em 3d, sistema para a remoção de artefatos de um gerador de campo em 3d de uma digitalização rotacional em 3d, e produto de programa de computador método, sistema e produto de programa são providos para remoção de artefatos de um gerador de campo em de uma digitalização rotacional em 3d. o método compreende: de modo pré-operatório, caracterizar os artefatos do gerador de campo em sobre uma série de posições de rotação de uma fonte de raios x e detector; intra-operatório, que determina a posição do gerador de campo em em relação à fonte de raios x e detector; e remover os artefatos caracterizados no modo pré- operatório para a posição relativa determinada do gerador de campo em de uma radiografia atual.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161580509P | 2011-12-27 | 2011-12-27 | |
PCT/IB2012/057741 WO2013098767A1 (en) | 2011-12-27 | 2012-12-27 | Removal of artifacts from an em field generator from a 3d scan |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112014015659A2 true BR112014015659A2 (pt) | 2017-06-13 |
BR112014015659A8 BR112014015659A8 (pt) | 2017-07-04 |
Family
ID=47741199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112014015659A BR112014015659A8 (pt) | 2011-12-27 | 2012-12-27 | método para a remoção de artefatos de um gerador de campo em 3d de uma digitalização rotacional em 3d, sistema para a remoção de artefatos de um gerador de campo em 3d de uma digitalização rotacional em 3d, e produto de programa de computador |
Country Status (7)
Country | Link |
---|---|
US (1) | US9235908B2 (pt) |
EP (1) | EP2797511B1 (pt) |
JP (1) | JP6204925B2 (pt) |
CN (1) | CN104023638B (pt) |
BR (1) | BR112014015659A8 (pt) |
RU (1) | RU2628053C2 (pt) |
WO (1) | WO2013098767A1 (pt) |
Family Cites Families (28)
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JPH02149258A (ja) * | 1988-11-30 | 1990-06-07 | Yokogawa Medical Syst Ltd | 金属偽像等を低減する画像処理装置 |
US5660176A (en) | 1993-12-29 | 1997-08-26 | First Opinion Corporation | Computerized medical diagnostic and treatment advice system |
JP2001500978A (ja) * | 1997-07-15 | 2001-01-23 | 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 | 混濁媒体内で対象を位置決めする方法 |
JP4286347B2 (ja) * | 1998-10-01 | 2009-06-24 | 株式会社東芝 | 放射線撮像装置 |
JP2001075965A (ja) | 1999-06-30 | 2001-03-23 | Mega Chips Corp | 情報通信システム |
US8565860B2 (en) * | 2000-08-21 | 2013-10-22 | Biosensors International Group, Ltd. | Radioactive emission detector equipped with a position tracking system |
US6965661B2 (en) * | 2001-06-19 | 2005-11-15 | Hitachi, Ltd. | Radiological imaging apparatus and radiological imaging method |
RU2237283C2 (ru) * | 2001-11-27 | 2004-09-27 | Самсунг Электроникс Ко., Лтд. | Устройство и способ представления трехмерного объекта на основе изображений с глубиной |
AU2003276658A1 (en) * | 2002-11-04 | 2004-06-07 | V-Target Technologies Ltd. | Apparatus and methods for imaging and attenuation correction |
US7023956B2 (en) * | 2002-11-11 | 2006-04-04 | Lockheed Martin Corporaiton | Detection methods and system using sequenced technologies |
DE602004011620T2 (de) * | 2003-07-18 | 2009-01-29 | Koninklijke Philips Electronics N.V. | Metallartefaktkorrektur bei der computertomographie |
US20060020200A1 (en) * | 2004-07-08 | 2006-01-26 | Medow Joshua E | Artifact-free CT angiogram |
US7369695B2 (en) | 2004-08-20 | 2008-05-06 | General Electric Company | Method and apparatus for metal artifact reduction in 3D X-ray image reconstruction using artifact spatial information |
EP1825810A4 (en) * | 2004-11-26 | 2010-07-14 | Toshiba Kk | X-RAY CT DEVICE AND IMAGE PROCESSING DEVICE |
US20080082363A1 (en) | 2005-10-07 | 2008-04-03 | Nader Habashi | On-line healthcare consultation services system and method of using same |
WO2007113719A1 (en) * | 2006-03-31 | 2007-10-11 | Koninklijke Philips Electronics, N.V. | System for local error compensation in electromagnetic tracking systems |
EP2083690B1 (en) * | 2006-11-10 | 2010-03-31 | Koninklijke Philips Electronics N.V. | Metal artefact prevention during needle guidance under (xper) ct |
US20090012373A1 (en) | 2007-04-06 | 2009-01-08 | Laurea Ammattikorkeakoulu Oy | System and Method for Providing Health Care Services |
AU2009208949A1 (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 |
JP5601675B2 (ja) * | 2008-02-29 | 2014-10-08 | 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装置およびプログラム |
US8023767B1 (en) * | 2008-03-10 | 2011-09-20 | University Of Rochester | Method and apparatus for 3D metal and high-density artifact correction for cone-beam and fan-beam CT imaging |
US8280135B2 (en) * | 2009-01-20 | 2012-10-02 | Mayo Foundation For Medical Education And Research | System and method for highly attenuating material artifact reduction in x-ray computed tomography |
DE102009043213A1 (de) * | 2009-09-28 | 2011-03-31 | Siemens Aktiengesellschaft | Effiziente Korrektur von Polychromieeffekten bei der Bildrekonstruktion |
US8816684B2 (en) * | 2009-11-09 | 2014-08-26 | Vista Clara Inc. | Noise canceling in-situ NMR detection |
DE102010011911B4 (de) * | 2010-03-18 | 2019-09-26 | Siemens Healthcare Gmbh | Tomosyntheseverfahren mit einer iterativen Maximum-A-Posteriori-Rekonstruktion |
DE102010040041B3 (de) * | 2010-08-31 | 2012-01-26 | Siemens Aktiengesellschaft | Verfahren zur Korrektur von durch zeitliche Veränderungen von Schwächungswerten auftretenden Artefakten |
US9110171B2 (en) * | 2011-01-03 | 2015-08-18 | The Regents Of The University Of California | Multimodality nuclear imaging reconstruction method |
US10575797B2 (en) * | 2011-05-12 | 2020-03-03 | The Johns Hopkins University | Electromagnetic tracking system and methods of using same |
-
2012
- 2012-12-27 EP EP12824920.8A patent/EP2797511B1/en active Active
- 2012-12-27 RU RU2014131074A patent/RU2628053C2/ru active
- 2012-12-27 CN CN201280064607.5A patent/CN104023638B/zh active Active
- 2012-12-27 WO PCT/IB2012/057741 patent/WO2013098767A1/en active Application Filing
- 2012-12-27 BR BR112014015659A patent/BR112014015659A8/pt not_active Application Discontinuation
- 2012-12-27 US US14/364,431 patent/US9235908B2/en active Active
- 2012-12-27 JP JP2014549613A patent/JP6204925B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN104023638A (zh) | 2014-09-03 |
EP2797511A1 (en) | 2014-11-05 |
RU2628053C2 (ru) | 2017-08-14 |
US9235908B2 (en) | 2016-01-12 |
CN104023638B (zh) | 2017-02-22 |
JP6204925B2 (ja) | 2017-09-27 |
JP2015503389A (ja) | 2015-02-02 |
RU2014131074A (ru) | 2016-02-20 |
US20140334744A1 (en) | 2014-11-13 |
BR112014015659A8 (pt) | 2017-07-04 |
WO2013098767A1 (en) | 2013-07-04 |
EP2797511B1 (en) | 2016-05-18 |
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Legal Events
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B15K | Others concerning applications: alteration of classification |
Ipc: A61B 6/00 (2006.01) |
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B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |