WO2008087817A1 - Ｘ線画像撮影システム - Google Patents

Ｘ線画像撮影システム Download PDF

Info

Publication number
WO2008087817A1
WO2008087817A1 PCT/JP2007/074119 JP2007074119W WO2008087817A1 WO 2008087817 A1 WO2008087817 A1 WO 2008087817A1 JP 2007074119 W JP2007074119 W JP 2007074119W WO 2008087817 A1 WO2008087817 A1 WO 2008087817A1
Authority
WO
WIPO (PCT)
Prior art keywords
ray
imaging system
specimen
treatment
camera unit
Prior art date
Application number
PCT/JP2007/074119
Other languages
English (en)
French (fr)
Inventor
Yuko Shinden
Tatsuya Takagi
Original Assignee
Konica Minolta Medical & Graphic, Inc.
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 Konica Minolta Medical & Graphic, Inc. filed Critical Konica Minolta Medical & Graphic, Inc.
Publication of WO2008087817A1 publication Critical patent/WO2008087817A1/ja

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/48—Diagnostic techniques
    • A61B6/484—Diagnostic techniques involving phase contrast X-ray imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
    • A61B6/588—Setting distance between source unit and detector unit
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K2207/00—Particular details of imaging devices or methods using ionizing electromagnetic radiation such as X-rays or gamma rays
    • G21K2207/005—Methods and devices obtaining contrast from non-absorbing interaction of the radiation with matter, e.g. phase contrast

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Image Processing (AREA)

Abstract

　本発明は、検体に対し、焦点径Ｄ（μｍ）が１≦Ｄ≦３０で、かつ平均エネルギー１５ｋｅＶ以下のＸ線を照射するＸ線源と、検体を透過したＸ線を検出するＸ線検出器とを用いて、拡大率Ｍが１０≦Ｍ≦４０となる位相コントラスト撮影を行う撮影部と、撮影部で得られた画像データに対し、画像データに含まれる粒状ノイズ成分を抑制するノイズ抑制処理と、前記検体の辺縁を境にしてＸ線強度差を広げるエッジ強調処理と、を行う画像処理部と、を備えることを特徴とし、ノイズ抑制処理を施したうえに被写体のエッジ強調を施して鮮明な画像を得ることのできる画像システムを提供する。
PCT/JP2007/074119 2007-01-19 2007-12-14 Ｘ線画像撮影システム WO2008087817A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-010049 2007-01-19
JP2007010049 2007-01-19

Publications (1)

Publication Number Publication Date
WO2008087817A1 true WO2008087817A1 (ja) 2008-07-24

Family

ID=39635822

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/074119 WO2008087817A1 (ja) 2007-01-19 2007-12-14 Ｘ線画像撮影システム

Country Status (1)

Country Link
WO (1) WO2008087817A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019163027A1 (ja) * 2018-02-21 2019-08-29 株式会社島津製作所 Ｘ線撮像装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002162705A (ja) * 2000-11-24 2002-06-07 Konica Corp 位相コントラスト放射線画像処理装置
JP2004000609A (ja) * 2002-05-15 2004-01-08 Ge Medical Systems Global Technology Co Llc 多重エネルギ画像による計算機支援診断
JP2004209152A (ja) * 2003-01-08 2004-07-29 Konica Minolta Holdings Inc Ｘ線画像撮影装置
JP2005303471A (ja) * 2004-04-07 2005-10-27 Konica Minolta Medical & Graphic Inc 画像処理装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002162705A (ja) * 2000-11-24 2002-06-07 Konica Corp 位相コントラスト放射線画像処理装置
JP2004000609A (ja) * 2002-05-15 2004-01-08 Ge Medical Systems Global Technology Co Llc 多重エネルギ画像による計算機支援診断
JP2004209152A (ja) * 2003-01-08 2004-07-29 Konica Minolta Holdings Inc Ｘ線画像撮影装置
JP2005303471A (ja) * 2004-04-07 2005-10-27 Konica Minolta Medical & Graphic Inc 画像処理装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019163027A1 (ja) * 2018-02-21 2019-08-29 株式会社島津製作所 Ｘ線撮像装置

Similar Documents

Publication Publication Date Title
Richard et al. Cascaded systems analysis of noise reduction algorithms in dual‐energy imaging
WO2007111669A3 (en) Combined x-ray and optical tomographic imaging system
WO2010101920A3 (en) Methods and apparatus for differential phase-contrast fan beam ct, cone-beam ct and hybrid cone-beam ct
WO2002056765A3 (en) System and method for enabling simultaneous calibration and imaging of a medium
SE0400347D0 (sv) Method and arrangement relating to x-ray imaging
RU2011143362A (ru) Формирование ахроматического фазоконтрастного изображения
EP1651111A1 (en) Dual energy imaging using optically coupled digital radiography system
EP2517616A3 (en) Processes, arrangements and systems for providing frequency domain imaging of a sample
WO2008066735A3 (en) Methods and apparatus for obtaining low-dose imaging
WO2011049608A3 (en) Imaging system and techniques
WO2008068674A3 (en) Ct imaging system
WO2015019232A3 (en) X-ray reduction system
EP2466295A3 (en) Method and apparatus for laminography inspection
WO2012030973A3 (en) Methods and systems for producing visible light and x-ray image data
WO2014011681A3 (en) Super-resolution tomosynthesis imaging systems and methods
WO2011087306A3 (ko) Ｘ선 단층 촬영 장치 및 그 방법
WO2010053808A3 (en) Multi-energy radiography using monoenergetic pulsed source
WO2012047976A3 (en) Low-dose automatic exposure control system for digital portable x-ray imaging
GB2479328A (en) X-ray imaging apparatus and method of X-ray imaging
ATE477747T1 (de) Vorrichtung zum fotografieren von strahlungsbildern
KR101163523B1 (ko) 엑스선 필터부가 구비된 엑스선 촬영장치
WO2010049680A3 (en) Method and apparatus for generating "3-d photograph" data files
ATE532460T1 (de) Medizinisches röntgengerät und verfahren zur k- edge-darstellung
DE60308910D1 (de) Medizinische bildgebungsvorrichtung mit mitteln zur gleichbehaltung der orientierung von detektor und der orientierung der wiedergabevorrichtung
JP2007125174A5 (ja)

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07850623

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07850623

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP