WO2009022408A1 - 放射線撮像装置 - Google Patents

放射線撮像装置 Download PDF

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Publication number
WO2009022408A1
WO2009022408A1 PCT/JP2007/065828 JP2007065828W WO2009022408A1 WO 2009022408 A1 WO2009022408 A1 WO 2009022408A1 JP 2007065828 W JP2007065828 W JP 2007065828W WO 2009022408 A1 WO2009022408 A1 WO 2009022408A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
radiation
projection
imaging apparatus
images
Prior art date
Application number
PCT/JP2007/065828
Other languages
English (en)
French (fr)
Inventor
Takihoto Sakai
Original Assignee
Shimadzu Corporation
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shimadzu Corporation filed Critical Shimadzu Corporation
Priority to CN2007800530631A priority Critical patent/CN101674775B/zh
Priority to US12/672,272 priority patent/US8213567B2/en
Priority to JP2009527997A priority patent/JP4858616B2/ja
Priority to PCT/JP2007/065828 priority patent/WO2009022408A1/ja
Publication of WO2009022408A1 publication Critical patent/WO2009022408A1/ja

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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
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • 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
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
    • A61B6/5241—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT combining overlapping images of the same imaging modality, e.g. by stitching
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • A61B6/44—Constructional features of apparatus for radiation diagnosis
    • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

　この発明の放射線撮像装置は、長手方向の長尺画像を得る際に、同方向に相対移動する度に検出された放射線に基づく複数の放射線画像同士で重複する領域に基づいて放射線画像を補正手段が補正し、その補正された放射線画像を上述した所定距離ごとに画像分解手段は分解し、その分解された画像を同一の投影角度毎に画像合成手段が合成して投影角度毎の投影画像を得る。したがって、その合成された投影画像に基づいて再構成処理手段が再構成処理を行うことで、互いに異なる放射線画像間での輝度差を低減させつつ、長手方向の長い視野の断層画像を得ることができる。
PCT/JP2007/065828 2007-08-13 2007-08-13 放射線撮像装置 WO2009022408A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2007800530631A CN101674775B (zh) 2007-08-13 2007-08-13 放射线摄像装置
US12/672,272 US8213567B2 (en) 2007-08-13 2007-08-13 Radiographic apparatus
JP2009527997A JP4858616B2 (ja) 2007-08-13 2007-08-13 放射線撮像装置
PCT/JP2007/065828 WO2009022408A1 (ja) 2007-08-13 2007-08-13 放射線撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/065828 WO2009022408A1 (ja) 2007-08-13 2007-08-13 放射線撮像装置

Publications (1)

Publication Number Publication Date
WO2009022408A1 true WO2009022408A1 (ja) 2009-02-19

Family

ID=40350472

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/065828 WO2009022408A1 (ja) 2007-08-13 2007-08-13 放射線撮像装置

Country Status (4)

Country Link
US (1) US8213567B2 (ja)
JP (1) JP4858616B2 (ja)
CN (1) CN101674775B (ja)
WO (1) WO2009022408A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011115404A (ja) * 2009-12-03 2011-06-16 Canon Inc Ｘ線画像合成装置、およびｘ線画像合成方法
WO2015046248A1 (ja) * 2013-09-27 2015-04-02 富士フイルム株式会社 マンモグラフィ装置、放射線画像撮影方法およびプログラム

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8693621B2 (en) * 2008-05-01 2014-04-08 Koninklijke Philips N. V. Source and/or detector positioning system
JP5641748B2 (ja) * 2009-03-18 2014-12-17 株式会社東芝 Ｘ線コンピュータ断層撮影装置及びデータ処理方法
FR2998778B1 (fr) * 2012-12-04 2015-01-02 Newmedi Potter vertical universel pour les examens d'imagerie medicale
JPWO2015045005A1 (ja) * 2013-09-24 2017-03-02 株式会社島津製作所 Ｘ線撮影装置およびｘ線撮影方法
JP6072096B2 (ja) * 2015-01-30 2017-02-01 キヤノン株式会社 放射線撮影システム、制御方法、制御方法、及びプログラム
US10307128B2 (en) * 2016-05-12 2019-06-04 Shimadzu Corporation X-ray imaging device

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000350717A (ja) * 1999-06-10 2000-12-19 Shimadzu Corp Ｘ線撮影装置
JP2001269333A (ja) * 2000-03-24 2001-10-02 Shimadzu Corp Ｘ線撮影装置
JP2002537050A (ja) * 1999-02-18 2002-11-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 長尺情景の概要画像を形成する画像処理方法、システム及び装置
JP2003052680A (ja) * 2001-08-13 2003-02-25 Shimadzu Corp Ｘ線撮影装置
JP2004113408A (ja) * 2002-09-26 2004-04-15 Aloka Co Ltd Ｘ線測定装置
JP2004236929A (ja) * 2003-02-07 2004-08-26 Shimadzu Corp Ｘ線撮影装置
JP2004358255A (ja) * 2003-06-03 2004-12-24 Ge Medical Systems Global Technology Co Llc ディジタル検出器での多数枚画像取得の方法及び装置
JP2005046444A (ja) * 2003-07-30 2005-02-24 Hitachi Medical Corp 医療用ｘ線装置
JP2005270277A (ja) * 2004-03-24 2005-10-06 Konica Minolta Medical & Graphic Inc 放射線画像撮影装置及び放射線画像生成方法
JP2005296332A (ja) * 2004-04-12 2005-10-27 Toshiba Corp Ｘ線診断装置、画像生成装置及び画像生成方法
JP2006071472A (ja) * 2004-09-02 2006-03-16 Yukihiro Nishikawa Ｃｔ法およびｃｔ装置

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DE69425416T2 (de) * 1993-11-26 2001-03-15 Koninkl Philips Electronics Nv Verfahren zur Bildzusammensetzung und Bilderzeugungsvorrichtung zur Durchführung dieses Verfahrens
US6459094B1 (en) * 2000-12-20 2002-10-01 Eastman Kodak Company Method for stitching partial radiation images to reconstruct a full image
US7127090B2 (en) * 2001-07-30 2006-10-24 Accuimage Diagnostics Corp Methods and systems for combining a plurality of radiographic images
US7010152B2 (en) * 2002-01-22 2006-03-07 Canon Kabushiki Kaisha Radiographic image composition and use
JP4230731B2 (ja) * 2002-07-29 2009-02-25 株式会社東芝 ディジタル画像処理装置及びｘ線診断装置
US6944265B2 (en) * 2002-11-25 2005-09-13 Ge Medical Systems Global Technology Company, Llc Image pasting using geometry measurement and a flat-panel detector
JP4200811B2 (ja) * 2003-05-16 2008-12-24 株式会社島津製作所 放射線治療計画装置
JP2005052680A (ja) * 2004-11-25 2005-03-03 Matsushita Electric Ind Co Ltd 充電式電気掃除機
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Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002537050A (ja) * 1999-02-18 2002-11-05 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 長尺情景の概要画像を形成する画像処理方法、システム及び装置
JP2000350717A (ja) * 1999-06-10 2000-12-19 Shimadzu Corp Ｘ線撮影装置
JP2001269333A (ja) * 2000-03-24 2001-10-02 Shimadzu Corp Ｘ線撮影装置
JP2003052680A (ja) * 2001-08-13 2003-02-25 Shimadzu Corp Ｘ線撮影装置
JP2004113408A (ja) * 2002-09-26 2004-04-15 Aloka Co Ltd Ｘ線測定装置
JP2004236929A (ja) * 2003-02-07 2004-08-26 Shimadzu Corp Ｘ線撮影装置
JP2004358255A (ja) * 2003-06-03 2004-12-24 Ge Medical Systems Global Technology Co Llc ディジタル検出器での多数枚画像取得の方法及び装置
JP2005046444A (ja) * 2003-07-30 2005-02-24 Hitachi Medical Corp 医療用ｘ線装置
JP2005270277A (ja) * 2004-03-24 2005-10-06 Konica Minolta Medical & Graphic Inc 放射線画像撮影装置及び放射線画像生成方法
JP2005296332A (ja) * 2004-04-12 2005-10-27 Toshiba Corp Ｘ線診断装置、画像生成装置及び画像生成方法
JP2006071472A (ja) * 2004-09-02 2006-03-16 Yukihiro Nishikawa Ｃｔ法およびｃｔ装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011115404A (ja) * 2009-12-03 2011-06-16 Canon Inc Ｘ線画像合成装置、およびｘ線画像合成方法
WO2015046248A1 (ja) * 2013-09-27 2015-04-02 富士フイルム株式会社 マンモグラフィ装置、放射線画像撮影方法およびプログラム
JPWO2015046248A1 (ja) * 2013-09-27 2017-03-09 富士フイルム株式会社 マンモグラフィ装置、放射線画像撮影方法およびプログラム

Also Published As

Publication number Publication date
CN101674775A (zh) 2010-03-17
JP4858616B2 (ja) 2012-01-18
JPWO2009022408A1 (ja) 2010-11-11
US8213567B2 (en) 2012-07-03
US20110228900A1 (en) 2011-09-22
CN101674775B (zh) 2011-08-17

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