CN101178370B - X-射线断层摄影设备 - Google Patents

X-射线断层摄影设备 Download PDF

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CN101178370B
CN101178370B CN2007101817908A CN200710181790A CN101178370B CN 101178370 B CN101178370 B CN 101178370B CN 2007101817908 A CN2007101817908 A CN 2007101817908A CN 200710181790 A CN200710181790 A CN 200710181790A CN 101178370 B CN101178370 B CN 101178370B
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image processing
artifact
value
image
pixel
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CN101178370A (zh
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萩原明
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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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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/30—Image post-processing, e.g. metal artefact 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)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Pulmonology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Image Analysis (AREA)
CN2007101817908A 2006-10-27 2007-10-29 X-射线断层摄影设备 Active CN101178370B (zh)

Applications Claiming Priority (3)

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
JP2006-292155 2006-10-27
JP2006292155 2006-10-27

Publications (2)

Publication Number Publication Date
CN101178370A CN101178370A (zh) 2008-05-14
CN101178370B true CN101178370B (zh) 2011-08-03

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CN2007101817908A Active CN101178370B (zh) 2006-10-27 2007-10-29 X-射线断层摄影设备

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

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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
US8605970B2 (en) * 2008-12-25 2013-12-10 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
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
WO2014129428A1 (ja) * 2013-02-21 2014-08-28 株式会社 日立メディコ Ｘ線ｃｔ装置及び画像再構成方法
US10203290B2 (en) 2013-12-12 2019-02-12 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
WO2016028655A1 (en) * 2014-08-16 2016-02-25 Fei Company Correction of beam hardening artifacts in microtomography for samples imaged in containers
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
CN118202234A (zh) * 2021-09-07 2024-06-14 拉皮斯坎系统股份有限公司 用于扫描系统的显示器中的精确视觉层分离的方法和系统
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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US6081577A (en) * 1998-07-24 2000-06-27 Wake Forest University Method and system for creating task-dependent three-dimensional images

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JP5161427B2 (ja) * 2006-02-20 2013-03-13 株式会社東芝 画像撮影装置、画像処理装置及びプログラム
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US6081577A (en) * 1998-07-24 2000-06-27 Wake Forest University Method and system for creating task-dependent three-dimensional images

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Also Published As

Publication number Publication date
JP4414420B2 (ja) 2010-02-10
US7894567B2 (en) 2011-02-22
NL1034577A1 (nl) 2008-04-29
DE102007049660B4 (de) 2015-10-29
US20080118022A1 (en) 2008-05-22
CN101178370A (zh) 2008-05-14
JP2008104761A (ja) 2008-05-08
DE102007049660A1 (de) 2008-04-30
NL1034577C2 (nl) 2009-04-27

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