JP2005087592A - Ｘ線計測装置 - Google Patents

Ｘ線計測装置 Download PDF

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Publication number
JP2005087592A
JP2005087592A JP2003327473A JP2003327473A JP2005087592A JP 2005087592 A JP2005087592 A JP 2005087592A JP 2003327473 A JP2003327473 A JP 2003327473A JP 2003327473 A JP2003327473 A JP 2003327473A JP 2005087592 A JP2005087592 A JP 2005087592A
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JP
Japan
Prior art keywords
ray
weight
detector
rotation
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2003327473A
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English (en)
Japanese (ja)
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JP2005087592A5 (enExample
Inventor
Rika Baba
理香 馬場
Takeshi Ueda
健 植田
Masakazu Okabe
正和 岡部
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Ltd
Hitachi Medical Corp
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Filing date
Publication date
Application filed by Hitachi Ltd, Hitachi Medical Corp filed Critical Hitachi Ltd
Priority to JP2003327473A priority Critical patent/JP2005087592A/ja
Priority to US10/942,892 priority patent/US7110487B2/en
Publication of JP2005087592A publication Critical patent/JP2005087592A/ja
Publication of JP2005087592A5 publication Critical patent/JP2005087592A5/ja
Pending legal-status Critical Current

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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
    • A61B6/46—Arrangements for interfacing with the operator or the patient
    • A61B6/461—Displaying means of special interest
    • A61B6/466—Displaying means of special interest adapted to display 3D data
    • 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
    • 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]

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biochemistry (AREA)
  • Human Computer Interaction (AREA)
  • Analytical Chemistry (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Immunology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2003327473A 2003-09-19 2003-09-19 Ｘ線計測装置 Pending JP2005087592A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003327473A JP2005087592A (ja) 2003-09-19 2003-09-19 Ｘ線計測装置
US10/942,892 US7110487B2 (en) 2003-09-19 2004-09-17 X-ray measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003327473A JP2005087592A (ja) 2003-09-19 2003-09-19 Ｘ線計測装置

Publications (2)

Publication Number Publication Date
JP2005087592A true JP2005087592A (ja) 2005-04-07
JP2005087592A5 JP2005087592A5 (enExample) 2006-04-27

Family

ID=34308782

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003327473A Pending JP2005087592A (ja) 2003-09-19 2003-09-19 Ｘ線計測装置

Country Status (2)

Country Link
US (1) US7110487B2 (enExample)
JP (1) JP2005087592A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007021184A (ja) * 2005-06-14 2007-02-01 Canon Inc 放射線撮像装置及びその制御方法並びに放射線撮像システム
JP2008278922A (ja) * 2007-05-08 2008-11-20 Canon Inc Ｘ線ｃｔ撮影装置
JP2011505185A (ja) * 2007-12-03 2011-02-24 トロフィー 歯科放射線医学装置とそれに付随する方法
CN105051487A (zh) * 2013-06-17 2015-11-11 海克斯康测量技术有限公司 使用选择性成像测量物体的方法和设备

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10338145B4 (de) * 2003-08-15 2022-02-24 "Stiftung Caesar" (Center Of Advanced European Studies And Research) Verfahren zur Darstellung von 3D Bilddaten
DE102004048212B4 (de) * 2004-09-30 2007-02-01 Siemens Ag Strahlentherapieanlage mit Bildgebungsvorrichtung
CN100435733C (zh) * 2005-12-31 2008-11-26 清华大学 X-ct扫描系统
WO2009063353A2 (en) * 2007-11-15 2009-05-22 Koninklijke Philips Electronics N.V. Movable wedge for improved image quality in 3d x-ray imaging
WO2010128404A1 (en) 2009-05-04 2010-11-11 Trophy Combined panoramic and computed tomography apparatus
DE102009038787A1 (de) * 2009-08-25 2011-03-10 Siemens Aktiengesellschaft Verfahren zur Aufnahme eines Untersuchungsobjekts
US8433119B2 (en) * 2009-10-23 2013-04-30 Analogic Corporation Extension of the field of view of a computed tomography system in the presence of interfering objects
DE102010026674B4 (de) * 2010-07-09 2012-09-27 Siemens Aktiengesellschaft Bildgebungsvorrichtung und Strahlentherapiegerät
ES2935893T3 (es) * 2012-09-07 2023-03-13 Trophy Aparato para la obtención parcial de imágenes por TC
CN103278423B (zh) * 2013-05-21 2015-06-17 东南大学 一种碳化水泥基材料中碳酸钙空间分布的定量表征方法
DE102013223901A1 (de) * 2013-11-22 2015-05-28 Siemens Aktiengesellschaft CT-System mit rotierbarer Gantry
KR20150088679A (ko) * 2014-01-24 2015-08-03 주식회사바텍 Ct 촬영 장치
CN105916445B (zh) * 2014-01-28 2018-10-26 株式会社日立制作所 X射线ct装置以及x射线ct装置用图像运算装置
CN104515784B (zh) * 2014-12-17 2017-02-22 丹东奥龙射线仪器集团有限公司 X射线拍片检测使用的激光中心指示器装置
EP3559911B1 (en) * 2016-12-21 2020-05-20 Koninklijke Philips N.V. Redundancy weighting for short scan off-center detector x-ray tomography
KR102267264B1 (ko) * 2019-05-09 2021-06-21 오스템임플란트 주식회사 치과용 파노라마 엑스선 촬영 장치 및 방법
CN113017662B (zh) * 2021-01-28 2022-06-14 明峰医疗系统股份有限公司 一种ct图像的混叠伪影去除方法及系统、ct扫描仪
US20240346717A1 (en) * 2023-04-11 2024-10-17 Medtronic Navigation, Inc. Method and apparatus for reconstructing image acquisitions for extended fields-of-view

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5672849A (en) * 1979-11-21 1981-06-17 Hitachi Medical Corp Method of regenerating tomographing image
JPH0420335A (ja) * 1990-05-15 1992-01-23 Yokogawa Medical Syst Ltd Ｘ線ｃｔの画像再構成領域拡大方法
JPH0898830A (ja) * 1994-09-30 1996-04-16 Hitachi Medical Corp Ｘ線ｃｔ装置における有効視野はみ出し検出装置、ｘ線ｃｔ装置におけるリファレンス補正装置、ｘ線ｃｔ装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135247A (en) * 1977-08-15 1979-01-16 Siemens Aktiengesellschaft Tomography signal processing system
JP3358758B2 (ja) * 1994-06-16 2002-12-24 株式会社日立メディコ Ｘ線投影像計測装置
US5493593A (en) 1994-09-27 1996-02-20 University Of Delaware Tilted detector microscopy in computerized tomography
JP3540916B2 (ja) 1997-06-26 2004-07-07 株式会社日立メディコ ３次元ｘ線ｃｔ装置
JP2000201920A (ja) * 1999-01-19 2000-07-25 Fuji Photo Film Co Ltd 撮影画像デ―タ取得方法および撮影画像デ―タ取得装置
DE10116682A1 (de) * 2001-04-04 2002-10-10 Philips Corp Intellectual Pty Verfahren und Vorrichtung zur Rekonstruktion dreidimensionaler Bilder aus Kegelstrahl-Projektionsdaten
WO2003081220A2 (en) * 2002-03-19 2003-10-02 Breakaway Imaging, Llc Computer tomograph with a detector following the movement of a pivotable x-ray source
US6868138B2 (en) * 2002-05-29 2005-03-15 The Regents Of The University Of Michigan Method, processor and computed tomography (CT) machine for generating images utilizing high and low sensitivity data collected from a flat panel detector having an extended dynamic range
JP3886895B2 (ja) * 2002-12-27 2007-02-28 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線データ収集装置およびｘ線ｃｔ装置
JP2005006772A (ja) * 2003-06-17 2005-01-13 Ge Medical Systems Global Technology Co Llc Ｘ線診断装置及びｃｔ画像の生成方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5672849A (en) * 1979-11-21 1981-06-17 Hitachi Medical Corp Method of regenerating tomographing image
JPH0420335A (ja) * 1990-05-15 1992-01-23 Yokogawa Medical Syst Ltd Ｘ線ｃｔの画像再構成領域拡大方法
JPH0898830A (ja) * 1994-09-30 1996-04-16 Hitachi Medical Corp Ｘ線ｃｔ装置における有効視野はみ出し検出装置、ｘ線ｃｔ装置におけるリファレンス補正装置、ｘ線ｃｔ装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007021184A (ja) * 2005-06-14 2007-02-01 Canon Inc 放射線撮像装置及びその制御方法並びに放射線撮像システム
JP2008278922A (ja) * 2007-05-08 2008-11-20 Canon Inc Ｘ線ｃｔ撮影装置
JP2011505185A (ja) * 2007-12-03 2011-02-24 トロフィー 歯科放射線医学装置とそれに付随する方法
CN105051487A (zh) * 2013-06-17 2015-11-11 海克斯康测量技术有限公司 使用选择性成像测量物体的方法和设备

Also Published As

Publication number Publication date
US7110487B2 (en) 2006-09-19
US20050063507A1 (en) 2005-03-24

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