CN103327901B - X射线ct装置、物质确定方法及图像处理装置 - Google Patents

X射线ct装置、物质确定方法及图像处理装置 Download PDF

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CN103327901B
CN103327901B CN201280006252.4A CN201280006252A CN103327901B CN 103327901 B CN103327901 B CN 103327901B CN 201280006252 A CN201280006252 A CN 201280006252A CN 103327901 B CN103327901 B CN 103327901B
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substance
image
unit
projection data
ray
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CN103327901A (zh
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田口博基
津雪昌快
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Canon Medical Systems Corp
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Toshiba Corp
Toshiba Medical Systems Corp
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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
    • G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
    • 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
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • 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
    • A61B6/48—Diagnostic techniques
    • A61B6/482—Diagnostic techniques involving multiple energy imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/20—Sources of radiation
    • G01N2223/206—Sources of radiation sources operating at different energy levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/40—Imaging
    • G01N2223/419—Imaging computed tomograph
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00—Investigating materials by wave or particle radiation
    • G01N2223/60—Specific applications or type of materials
    • G01N2223/612—Specific applications or type of materials biological material
    • G01N2223/6126—Specific applications or type of materials biological material tissue
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/408—Dual energy

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pulmonology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
CN201280006252.4A 2011-09-28 2012-09-24 X射线ct装置、物质确定方法及图像处理装置 Active CN103327901B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2011-213047 2011-09-28
JP2011213047 2011-09-28
JP2012206419A JP6073616B2 (ja) 2011-09-28 2012-09-20 Ｘ線ｃｔ装置、画像処理装置及びプログラム
JP2012-206419 2012-09-20
PCT/JP2012/074329 WO2013047403A1 (ja) 2011-09-28 2012-09-24 Ｘ線ｃｔ装置、物質特定方法、及び画像処理装置

Publications (2)

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CN103327901A CN103327901A (zh) 2013-09-25
CN103327901B true CN103327901B (zh) 2016-01-27

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US (1) US9418451B2 (enExample)
JP (1) JP6073616B2 (enExample)
CN (1) CN103327901B (enExample)
WO (1) WO2013047403A1 (enExample)

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JP5798526B2 (ja) * 2012-07-18 2015-10-21 株式会社リガク Ｘ線分析装置、ｘ線分析システム、ｘ線分析方法およびｘ線分析プログラム
CN105188545B (zh) * 2013-05-24 2018-04-06 株式会社日立制作所 X射线ct装置以及处理方法
US9978158B2 (en) * 2013-08-30 2018-05-22 Koninklijke Philips N.V. Spectral projection data de-noising with anti-correlation filter
WO2015051463A1 (en) * 2013-10-09 2015-04-16 Voti Inc. Techniques for imaging a scanned object
JP6482934B2 (ja) 2014-06-03 2019-03-13 キヤノンメディカルシステムズ株式会社 画像処理装置、放射線検出装置および画像処理方法
JP6351164B2 (ja) * 2014-06-12 2018-07-04 国立研究開発法人量子科学技術研究開発機構 ビーム照射対象確認装置、ビーム照射対象確認プログラム、および阻止能比算出プログラム
US9964499B2 (en) * 2014-11-04 2018-05-08 Toshiba Medical Systems Corporation Method of, and apparatus for, material classification in multi-energy image data
CN104574292B (zh) * 2014-11-26 2018-06-26 沈阳东软医疗系统有限公司 一种ct图像的校正方法和装置
KR101725099B1 (ko) * 2014-12-05 2017-04-26 삼성전자주식회사 컴퓨터 단층 촬영장치 및 그 제어방법
US9913622B2 (en) 2015-02-23 2018-03-13 Toshiba Medical Systems Corporation X-ray CT apparatus and image processing device
CN107427276B (zh) * 2015-03-30 2021-01-26 株式会社日立制作所 图像生成装置、图像生成方法以及x射线ct装置
JP6531177B2 (ja) * 2015-08-31 2019-06-12 富士フイルム株式会社 液晶セルおよび３次元構造液晶セル
US11179115B2 (en) * 2015-10-27 2021-11-23 Hitachi, Ltd. X-ray CT data processing device and X-ray CT device comprising same
TW201736865A (zh) * 2016-04-13 2017-10-16 Nihon Medi-Physics Co Ltd 來自核子醫學影像的生理累積之自動去除及ｃｔ影像之自動分段
EP3441005B1 (de) * 2017-08-11 2022-04-06 Siemens Healthcare GmbH Analyse von läsionen mit hilfe der multi-energie-ct-bildgebung
US11361415B2 (en) * 2017-10-09 2022-06-14 Koninklijke Philips N.V. Material-selective adaptive blending of volumeiric image data
WO2020003744A1 (ja) * 2018-06-27 2020-01-02 キヤノン株式会社 放射線撮影装置、放射線撮影方法およびプログラム
WO2020082171A1 (en) 2018-10-22 2020-04-30 Voti Inc. Tray insert for screening tray
US10718724B2 (en) * 2018-11-06 2020-07-21 Jon M Frenn Systems and methods of comparative computed tomography (CT) for qualification of commercial grade items
JP2020185223A (ja) * 2019-05-15 2020-11-19 国立大学法人北海道大学 単色ｃｔ画像作成方法、単色ｃｔ画像作成装置および単色ｃｔ画像作成プログラム
CN113613561A (zh) * 2019-05-27 2021-11-05 迪亚特伦德有限公司 处理x射线检测数据的数据处理装置及数据处理方法及搭载有该装置或方法的x射线检查装置
WO2021035477A1 (en) * 2019-08-26 2021-03-04 Guangxi Liugong Machinery Co., Ltd. Electric excavator
US12181422B2 (en) 2019-09-16 2024-12-31 Rapiscan Holdings, Inc. Probabilistic image analysis
CN112730468B (zh) * 2019-10-28 2022-07-01 同方威视技术股份有限公司 物品检测设备及其检测物品的方法
US11238585B2 (en) * 2020-04-03 2022-02-01 The University Of Chicago Method and apparatus for spectral computed tomography (CT) with multi-material decomposition into three or more material components
CN113361632A (zh) * 2021-06-25 2021-09-07 西门子数字医疗科技(上海)有限公司 图像中确定生物组织类别方法、装置、计算机设备和介质
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CN114813798B (zh) * 2022-05-18 2023-07-07 中国工程物理研究院化工材料研究所 用于表征材料内部结构及成分的ct检测装置和成像方法
US12385854B2 (en) 2022-07-26 2025-08-12 Rapiscan Holdings, Inc. Methods and systems for performing on-the-fly automatic calibration adjustments of X-ray inspection systems
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CN101028199A (zh) * 2006-02-28 2007-09-05 西门子公司 借助多能量计算机断层造影确定体内物质浓度的方法和装置

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JP6073616B2 (ja) 2017-02-01
CN103327901A (zh) 2013-09-25
JP2013081765A (ja) 2013-05-09
US9418451B2 (en) 2016-08-16
US20130287260A1 (en) 2013-10-31
WO2013047403A1 (ja) 2013-04-04

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