JP4414420B2 - Ｘ線断層撮影装置およびアーチファクトの低減方法 - Google Patents

Ｘ線断層撮影装置およびアーチファクトの低減方法 Download PDF

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JP4414420B2
JP4414420B2 JP2006292155A JP2006292155A JP4414420B2 JP 4414420 B2 JP4414420 B2 JP 4414420B2 JP 2006292155 A JP2006292155 A JP 2006292155A JP 2006292155 A JP2006292155 A JP 2006292155A JP 4414420 B2 JP4414420 B2 JP 4414420B2
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JP2008104761A (ja
JP2008104761A5 (enExample
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明 萩原
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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Priority to JP2006292155A priority Critical patent/JP4414420B2/ja
Priority to DE102007049660.7A priority patent/DE102007049660B4/de
Priority to NL1034577A priority patent/NL1034577C2/nl
Priority to US11/924,432 priority patent/US7894567B2/en
Priority to CN2007101817908A priority patent/CN101178370B/zh
Publication of JP2008104761A publication Critical patent/JP2008104761A/ja
Publication of JP2008104761A5 publication Critical patent/JP2008104761A5/ja
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    • 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

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  • 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 Processing (AREA)
  • Image Analysis (AREA)
JP2006292155A 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 Active JP4414420B2 (ja)

Priority Applications (5)

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
DE102007049660.7A DE102007049660B4 (de) 2006-10-27 2007-10-17 Röntgentomographievorrichtung
NL1034577A NL1034577C2 (nl) 2006-10-27 2007-10-25 Röntgentomografie-apparatuur.
US11/924,432 US7894567B2 (en) 2006-10-27 2007-10-25 X-ray tomography apparatus and artifact reducing method
CN2007101817908A CN101178370B (zh) 2006-10-27 2007-10-29 X-射线断层摄影设备

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2008104761A JP2008104761A (ja) 2008-05-08
JP2008104761A5 JP2008104761A5 (enExample) 2009-07-30
JP4414420B2 true JP4414420B2 (ja) 2010-02-10

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

Cited By (1)

* Cited by examiner, † Cited by third party
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WO2015130388A1 (en) 2014-02-27 2015-09-03 Ge Medical Systems Global Technology Company, Llc Image generating apparatus, radiation tomography imaging apparatus, and image generating method and program

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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
EP2380132B1 (en) * 2008-12-25 2018-02-07 Medic Vision - Imaging Solutions Ltd. Denoising medical images
DK2459070T3 (da) 2009-07-31 2020-06-02 Dental Imaging Technologies Corp Panorama-tandbilleddannelse med anvendelse af segmentering og en master-bue
RU2543547C2 (ru) * 2009-10-06 2015-03-10 Конинклейке Филипс Электроникс Н.В. Способ уменьшения артефактов в изображениях конусно-лучевой компьютерной томографии
EP2666122A4 (en) * 2011-01-21 2018-01-24 Mercury 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
JP6283419B2 (ja) * 2013-12-12 2018-02-21 ゼネラル・エレクトリック・カンパニイ 欠陥指標の検出方法
CN107209944B (zh) * 2014-08-16 2021-08-10 Fei公司 在容器中成像的样品微层析成像中的射束硬化伪像的校正
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
EP3711672B1 (en) 2019-03-22 2022-01-26 Sirona Dental Systems GmbH Method and device for producing a panoramic tomographic image of an object to be recorded
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
WO2023249662A1 (en) * 2021-09-07 2023-12-28 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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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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015130388A1 (en) 2014-02-27 2015-09-03 Ge Medical Systems Global Technology Company, Llc Image generating apparatus, radiation tomography imaging apparatus, and image generating method and program

Also Published As

Publication number Publication date
DE102007049660B4 (de) 2015-10-29
NL1034577C2 (nl) 2009-04-27
CN101178370A (zh) 2008-05-14
JP2008104761A (ja) 2008-05-08
NL1034577A1 (nl) 2008-04-29
US7894567B2 (en) 2011-02-22
DE102007049660A1 (de) 2008-04-30
CN101178370B (zh) 2011-08-03
US20080118022A1 (en) 2008-05-22

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