WO2009044452A1 - 放射線画像処理装置および放射線画像処理プログラム - Google Patents

放射線画像処理装置および放射線画像処理プログラム Download PDF

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Publication number
WO2009044452A1
WO2009044452A1 PCT/JP2007/069262 JP2007069262W WO2009044452A1 WO 2009044452 A1 WO2009044452 A1 WO 2009044452A1 JP 2007069262 W JP2007069262 W JP 2007069262W WO 2009044452 A1 WO2009044452 A1 WO 2009044452A1
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WO
WIPO (PCT)
Prior art keywords
radiation image
image
grid
processing program
image processing
Prior art date
Application number
PCT/JP2007/069262
Other languages
English (en)
French (fr)
Inventor
Yoshinori Ohno
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 KR1020107004757A priority Critical patent/KR101095270B1/ko
Priority to US12/680,773 priority patent/US9655570B2/en
Priority to EP07829002.0A priority patent/EP2196148B1/en
Priority to CN2007801005937A priority patent/CN101801273B/zh
Priority to JP2009535910A priority patent/JP5212376B2/ja
Priority to PCT/JP2007/069262 priority patent/WO2009044452A1/ja
Publication of WO2009044452A1 publication Critical patent/WO2009044452A1/ja

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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
    • A61B6/06—Diaphragms
    • 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
    • A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4035—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis the source being combined with a filter or grating
    • 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
    • A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4291—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis the detector being combined with a grid or grating
    • 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
    • A61B6/52—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
    • A61B6/5252—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data removing objects from field of view, e.g. removing patient table from a CT image
    • 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
    • A61B6/52—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
    • A61B6/5282—Devices using data or image processing specially adapted for radiation diagnosis involving detection or reduction of artifacts or noise due to scatter
    • 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
    • A61B6/582—Calibration
    • A61B6/583—Calibration using calibration phantoms
    • 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
    • A61B6/582—Calibration
    • A61B6/585—Calibration of detector units
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration by non-spatial domain filtering
    • G06T5/70—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20224—Image subtraction

Abstract

　この発明の放射線画像処理装置は、分離手段と調整手段と除去手段とを備えている。被検体を介して撮影された放射線画像を用いて補正画像を生成するので、グリッド補正のためのデータを予め取得せずに１回の撮影で各画像を取得することができる。また、被検体を介して撮影された放射線画像をグリッド画像と非グリッド画像とに分離し、非グリッド画像に基づいてグリッド画像の強度を実空間上で調整して、補正画像を生成するので、１回の撮影で精度の高い補正処理を実現することができる。
PCT/JP2007/069262 2007-10-02 2007-10-02 放射線画像処理装置および放射線画像処理プログラム WO2009044452A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020107004757A KR101095270B1 (ko) 2007-10-02 2007-10-02 방사선 화상처리장치 및 방사선 화상처리 프로그램을 기록한 컴퓨터로 읽을 수 있는 매체
US12/680,773 US9655570B2 (en) 2007-10-02 2007-10-02 Radiological image processing apparatus and radiological image processing program
EP07829002.0A EP2196148B1 (en) 2007-10-02 2007-10-02 Radiological image processing apparatus and radiological image processing program
CN2007801005937A CN101801273B (zh) 2007-10-02 2007-10-02 放射线图像处理装置以及放射线图像处理方法
JP2009535910A JP5212376B2 (ja) 2007-10-02 2007-10-02 放射線画像処理装置および放射線画像処理プログラム
PCT/JP2007/069262 WO2009044452A1 (ja) 2007-10-02 2007-10-02 放射線画像処理装置および放射線画像処理プログラム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/069262 WO2009044452A1 (ja) 2007-10-02 2007-10-02 放射線画像処理装置および放射線画像処理プログラム

Publications (1)

Publication Number Publication Date
WO2009044452A1 true WO2009044452A1 (ja) 2009-04-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/069262 WO2009044452A1 (ja) 2007-10-02 2007-10-02 放射線画像処理装置および放射線画像処理プログラム

Country Status (6)

Country Link
US (1) US9655570B2 (ja)
EP (1) EP2196148B1 (ja)
JP (1) JP5212376B2 (ja)
KR (1) KR101095270B1 (ja)
CN (1) CN101801273B (ja)
WO (1) WO2009044452A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011010829A (ja) * 2009-07-01 2011-01-20 Toshiba Corp Ｘ線画像撮影装置及び画像処理装置
WO2011080808A1 (ja) * 2009-12-29 2011-07-07 株式会社島津製作所 放射線画像処理装置および放射線画像処理プログラム
JP2011177373A (ja) * 2010-03-02 2011-09-15 Shimadzu Corp Ｘ線撮影装置

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US9232925B2 (en) * 2011-04-22 2016-01-12 Shimadzu Corporation X-ray diagnostic apparatus and storage medium storing X-ray diagnostic program
JP6128463B2 (ja) * 2013-11-06 2017-05-17 富士フイルム株式会社 放射線画像処理装置および方法並びにプログラム
JP2018038500A (ja) * 2016-09-06 2018-03-15 キヤノン株式会社 放射線撮影装置、放射線撮影システム、放射線撮影方法、及びプログラム
JP6815818B2 (ja) * 2016-10-17 2021-01-20 キヤノン株式会社 放射線撮影システム及び放射線撮影方法
EP3427664A1 (en) 2017-07-13 2019-01-16 Koninklijke Philips N.V. A device for scatter correction in an x-ray image and a method for scatter correction in an xray image
JP6897585B2 (ja) * 2018-01-24 2021-06-30 コニカミノルタ株式会社 放射線画像処理装置、散乱線補正方法及びプログラム

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011010829A (ja) * 2009-07-01 2011-01-20 Toshiba Corp Ｘ線画像撮影装置及び画像処理装置
WO2011080808A1 (ja) * 2009-12-29 2011-07-07 株式会社島津製作所 放射線画像処理装置および放射線画像処理プログラム
CN102711611A (zh) * 2009-12-29 2012-10-03 株式会社岛津制作所 放射线图像处理装置以及放射线图像处理程序
JP5333607B2 (ja) * 2009-12-29 2013-11-06 株式会社島津製作所 放射線画像処理装置および放射線画像処理プログラム
US8831325B2 (en) 2009-12-29 2014-09-09 Shimadzu Corporation Radiographic image processing apparatus and radiographic image processing program
CN102711611B (zh) * 2009-12-29 2015-07-15 株式会社岛津制作所 放射线图像处理装置以及放射线图像处理方法
JP2011177373A (ja) * 2010-03-02 2011-09-15 Shimadzu Corp Ｘ線撮影装置

Also Published As

Publication number Publication date
CN101801273A (zh) 2010-08-11
EP2196148B1 (en) 2015-03-04
JP5212376B2 (ja) 2013-06-19
US9655570B2 (en) 2017-05-23
EP2196148A4 (en) 2013-06-26
KR20100040324A (ko) 2010-04-19
JPWO2009044452A1 (ja) 2011-01-27
CN101801273B (zh) 2013-05-15
EP2196148A1 (en) 2010-06-16
US20100215243A1 (en) 2010-08-26
KR101095270B1 (ko) 2011-12-20

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