WO2009004678A1 - 放射線撮像装置 - Google Patents

放射線撮像装置 Download PDF

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Publication number
WO2009004678A1
WO2009004678A1 PCT/JP2007/063089 JP2007063089W WO2009004678A1 WO 2009004678 A1 WO2009004678 A1 WO 2009004678A1 JP 2007063089 W JP2007063089 W JP 2007063089W WO 2009004678 A1 WO2009004678 A1 WO 2009004678A1
Authority
WO
WIPO (PCT)
Prior art keywords
physical quantity
voltage image
subtraction processing
high voltage
low voltage
Prior art date
Application number
PCT/JP2007/063089
Other languages
English (en)
French (fr)
Inventor
Takihito 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 PCT/JP2007/063089 priority Critical patent/WO2009004678A1/ja
Publication of WO2009004678A1 publication Critical patent/WO2009004678A1/ja

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Classifications

    • 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
    • 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
    • A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
    • A61B6/4266—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a plurality of detector units
    • 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/32—Transforming X-rays
    • H04N5/3205—Transforming X-rays using subtraction imaging techniques
    • 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
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30008—Bone

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

Abstract

　この発明の放射線撮像装置は、物理量入力手段は、サブトラクション処理で用いられる物理量を入力し、その物理量入力手段で入力された物理量に基づき高圧画像取得手段で取得された高圧画像および低圧画像取得手段で取得された低圧画像に基づいてサブトラクション処理を行い、そのサブトラクション処理手段で処理された画像をサブトラクション画像として出力手段は出力するので、出力結果に応じて、物理量入力手段で入力された物理量が最適か否かの判断が即座にわかり、手間をかけずに、サブトラクション処理で用いられる最適な物理量を決定することができる。
PCT/JP2007/063089 2007-06-29 2007-06-29 放射線撮像装置 WO2009004678A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/063089 WO2009004678A1 (ja) 2007-06-29 2007-06-29 放射線撮像装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/063089 WO2009004678A1 (ja) 2007-06-29 2007-06-29 放射線撮像装置

Publications (1)

Publication Number Publication Date
WO2009004678A1 true WO2009004678A1 (ja) 2009-01-08

Family

ID=40225748

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/063089 WO2009004678A1 (ja) 2007-06-29 2007-06-29 放射線撮像装置

Country Status (1)

Country Link
WO (1) WO2009004678A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2021054090A1 (ja) * 2019-09-18 2021-03-25

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0263439A (ja) * 1982-04-26 1990-03-02 General Electric Co (Ge) Ｘ線画像サブトラクションの方法
JP2002359781A (ja) * 2001-03-27 2002-12-13 Fuji Photo Film Co Ltd エネルギーサブトラクション処理方法および装置
JP2007236766A (ja) * 2006-03-10 2007-09-20 Shimadzu Corp Ｘ線撮影装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0263439A (ja) * 1982-04-26 1990-03-02 General Electric Co (Ge) Ｘ線画像サブトラクションの方法
JP2002359781A (ja) * 2001-03-27 2002-12-13 Fuji Photo Film Co Ltd エネルギーサブトラクション処理方法および装置
JP2007236766A (ja) * 2006-03-10 2007-09-20 Shimadzu Corp Ｘ線撮影装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2021054090A1 (ja) * 2019-09-18 2021-03-25
WO2021054090A1 (ja) * 2019-09-18 2021-03-25 富士フイルム株式会社 エネルギーサブトラクション処理装置、方法およびプログラム
JP7289922B2 (ja) 2019-09-18 2023-06-12 富士フイルム株式会社 エネルギーサブトラクション処理装置、方法およびプログラム
US12039727B2 (en) 2019-09-18 2024-07-16 Fujifilm Corporation Energy subtraction processing device, energy subtraction processing method, and energy subtraction processing program

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