NL1034577C2 - Röntgentomografie-apparatuur. - Google Patents

Röntgentomografie-apparatuur. Download PDF

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Publication number
NL1034577C2
NL1034577C2 NL1034577A NL1034577A NL1034577C2 NL 1034577 C2 NL1034577 C2 NL 1034577C2 NL 1034577 A NL1034577 A NL 1034577A NL 1034577 A NL1034577 A NL 1034577A NL 1034577 C2 NL1034577 C2 NL 1034577C2
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Netherlands
Prior art keywords
value
change
image
artifact
image processing
Prior art date
Application number
NL1034577A
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English (en)
Dutch (nl)
Other versions
NL1034577A1 (nl
Inventor
Akira Hagiwara
Original Assignee
Ge Med Sys Global Tech Co Llc
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Publication of NL1034577A1 publication Critical patent/NL1034577A1/nl
Application granted granted Critical
Publication of NL1034577C2 publication Critical patent/NL1034577C2/nl

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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
    • G06T11/008—Specific post-processing after tomographic reconstruction, e.g. voxelisation, metal artifact correction
    • 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
    • A61B6/52—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/20—Image enhancement or restoration using local operators
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • 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
    • G06T2200/00—Indexing scheme for image data processing or generation, in general
    • G06T2200/04—Indexing scheme for image data processing or generation, in general involving 3D image data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20004—Adaptive image processing
    • G06T2207/20012—Locally adaptive
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing

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)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
NL1034577A 2006-10-27 2007-10-25 Röntgentomografie-apparatuur. NL1034577C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006292155A JP4414420B2 (ja) 2006-10-27 2006-10-27 Ｘ線断層撮影装置およびアーチファクトの低減方法
JP2006292155 2006-10-27

Publications (2)

Publication Number Publication Date
NL1034577A1 NL1034577A1 (nl) 2008-04-29
NL1034577C2 true NL1034577C2 (nl) 2009-04-27

Family

ID=39244583

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1034577A NL1034577C2 (nl) 2006-10-27 2007-10-25 Röntgentomografie-apparatuur.

Country Status (5)

Country Link
US (1) US7894567B2 (enExample)
JP (1) JP4414420B2 (enExample)
CN (1) CN101178370B (enExample)
DE (1) DE102007049660B4 (enExample)
NL (1) NL1034577C2 (enExample)

Cited By (1)

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US11963812B2 (en) 2019-03-22 2024-04-23 Dentsply Sirona Inc. Method and device for producing a panoramic tomographic image of an object to be recorded

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JP4350738B2 (ja) * 2006-10-27 2009-10-21 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線断層撮影装置およびアーチファクトの低減方法
JP5753791B2 (ja) * 2008-12-25 2015-07-22 メディック ビジョン イメージング ソルーション リミティッド ノイズ除去された所定の解像度の医療画像を提供する方法、所定の解像度のノイズ除去された所定の解像度の医療画像を提供するシステム
DK2459070T3 (da) * 2009-07-31 2020-06-02 Dental Imaging Technologies Corp Panorama-tandbilleddannelse med anvendelse af segmentering og en master-bue
JP5711241B2 (ja) * 2009-10-06 2015-04-30 コーニンクレッカ フィリップス エヌ ヴェ コーンビームｃｔ画像におけるアーチファクト低減のための方法
CA2825704A1 (en) * 2011-01-21 2012-07-26 Mercury Computer Systems, Inc. Optimized implementation of back projection for computed tomography (ct)
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
DE102012205051B4 (de) * 2012-03-29 2016-09-15 Siemens Healthcare Gmbh Verfahren zur Reduzierung von Direct-Hit-Artefakten und Röntgeneinrichtung
CN103679642B (zh) * 2012-09-26 2016-08-03 上海联影医疗科技有限公司 一种ct图像金属伪影校正方法、装置及ct设备
JP6233980B2 (ja) * 2013-02-21 2017-11-22 株式会社日立製作所 Ｘ線ｃｔ装置及び画像再構成方法
EP3080593B1 (en) 2013-12-12 2021-11-24 General Electric Company Method for defect indication detection
JP6321405B2 (ja) * 2014-02-27 2018-05-09 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 画像生成装置、放射線断層撮影装置及び画像生成方法並びにプログラム
WO2016028654A1 (en) * 2014-08-16 2016-02-25 Fei Company Tomographic reconstruction for material characterization
CN104361615B (zh) * 2014-10-22 2017-07-11 南方医科大学 一种采用圆轨道扇形束x射线ct扫描机快速重建断层图像的方法
CN109523605A (zh) * 2018-11-29 2019-03-26 上海联影医疗科技有限公司 一种ct图像重建的方法、装置、设备及介质
CN110097517B (zh) * 2019-04-28 2022-12-27 东软医疗系统股份有限公司 去除图像伪影的方法及装置
EP3843042A1 (en) * 2019-12-27 2021-06-30 Koninklijke Philips N.V. Method of processing computer tomography (ct) data for filter back projection (fbp)
EP4012648A1 (en) * 2020-12-10 2022-06-15 Koninklijke Philips N.V. Reduction of artefacts in medical images
CN113034522B (zh) * 2021-04-01 2022-11-01 上海市第一人民医院 一种基于人工神经网络的ct图像分割方法
US12361671B2 (en) 2021-09-07 2025-07-15 Rapiscan Systems, Inc. Methods and systems for accurate visual layer separation in the displays of scanning systems
US12198257B2 (en) 2022-08-26 2025-01-14 General Electric Company System and method of producing a computer-generated image of a component part using computed tomography

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US20050226365A1 (en) * 2004-03-30 2005-10-13 Kabushiki Kaisha Toshiba Radius-in-image dependent detector row filtering for windmill artifact reduction
US20060029285A1 (en) * 2004-08-06 2006-02-09 Kabushiki Kaisha Toshiba Method for helical windmill artifact reduction with noise restoration for helical multislice CT

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US20050226365A1 (en) * 2004-03-30 2005-10-13 Kabushiki Kaisha Toshiba Radius-in-image dependent detector row filtering for windmill artifact reduction
US20060029285A1 (en) * 2004-08-06 2006-02-09 Kabushiki Kaisha Toshiba Method for helical windmill artifact reduction with noise restoration for helical multislice CT

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11963812B2 (en) 2019-03-22 2024-04-23 Dentsply Sirona Inc. Method and device for producing a panoramic tomographic image of an object to be recorded

Also Published As

Publication number Publication date
US20080118022A1 (en) 2008-05-22
DE102007049660A1 (de) 2008-04-30
CN101178370B (zh) 2011-08-03
CN101178370A (zh) 2008-05-14
DE102007049660B4 (de) 2015-10-29
JP2008104761A (ja) 2008-05-08
US7894567B2 (en) 2011-02-22
NL1034577A1 (nl) 2008-04-29
JP4414420B2 (ja) 2010-02-10

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