NL8802184A - Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden. - Google Patents

Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden. Download PDF

Info

Publication number
NL8802184A
NL8802184A NL8802184A NL8802184A NL8802184A NL 8802184 A NL8802184 A NL 8802184A NL 8802184 A NL8802184 A NL 8802184A NL 8802184 A NL8802184 A NL 8802184A NL 8802184 A NL8802184 A NL 8802184A
Authority
NL
Netherlands
Prior art keywords
image
matrix
intensity
ray
correction
Prior art date
Application number
NL8802184A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8802184A priority Critical patent/NL8802184A/nl
Priority to US07/397,157 priority patent/US5270925A/en
Priority to EP89202211A priority patent/EP0358268B1/de
Priority to DE68911072T priority patent/DE68911072T2/de
Priority to JP01227639A priority patent/JP3110026B2/ja
Publication of NL8802184A publication Critical patent/NL8802184A/nl
Priority to JP11298341A priority patent/JP3112455B2/ja

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/64Circuit arrangements for X-ray apparatus incorporating image intensifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/30Transforming light or analogous information into electric information
    • H04N5/32Transforming X-rays
    • H04N5/3205Transforming X-rays using subtraction imaging techniques
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00Surgery
    • Y10S128/92Computer assisted medical diagnostics
    • Y10S128/922Computer assisted medical diagnostics including image analysis

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
NL8802184A 1988-09-05 1988-09-05 Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden. NL8802184A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL8802184A NL8802184A (nl) 1988-09-05 1988-09-05 Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden.
US07/397,157 US5270925A (en) 1988-09-05 1989-08-21 Method of and device for correcting scattered-radiation effects in X-ray images
EP89202211A EP0358268B1 (de) 1988-09-05 1989-09-01 Verfahren und Anordnung zur Korrektur von Streustrahlungseffekten in Röntgenbildern
DE68911072T DE68911072T2 (de) 1988-09-05 1989-09-01 Verfahren und Anordnung zur Korrektur von Streustrahlungseffekten in Röntgenbildern.
JP01227639A JP3110026B2 (ja) 1988-09-05 1989-09-04 X線映像中の散乱放射効果を補正する方法
JP11298341A JP3112455B2 (ja) 1988-09-05 1999-10-20 X線映像の散乱放射効果補正装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8802184A NL8802184A (nl) 1988-09-05 1988-09-05 Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden.
NL8802184 1988-09-05

Publications (1)

Publication Number Publication Date
NL8802184A true NL8802184A (nl) 1990-04-02

Family

ID=19852856

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8802184A NL8802184A (nl) 1988-09-05 1988-09-05 Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden.

Country Status (5)

Country Link
US (1) US5270925A (de)
EP (1) EP0358268B1 (de)
JP (2) JP3110026B2 (de)
DE (1) DE68911072T2 (de)
NL (1) NL8802184A (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05221282A (ja) * 1992-02-14 1993-08-31 Tokai Rika Co Ltd 車両急減速状態検出装置
EP0565171B1 (de) * 1992-04-08 1997-03-05 Koninklijke Philips Electronics N.V. Vorrichtung zur Röntgenuntersuchung mit Korrektur der Streustrahlungseffekte in einem Röntgenbild
DE69308350T2 (de) * 1992-04-08 1997-08-21 Philips Electronics Nv Vorrichtung zur Röntgenuntersuchung mit Korrektur der Streustrahlungseffekte in einem Röntgenbild
FR2759800B1 (fr) * 1997-02-17 1999-03-26 Commissariat Energie Atomique Procede de correction du flux diffuse dans des images de radiographie numerique
FR2766044B1 (fr) * 1997-07-11 1999-10-08 Ge Medical Syst Sa Procede de traitement d'une sequence d'images radiologiques d'un objet
DE10055739B4 (de) * 2000-11-10 2006-04-27 Siemens Ag Streustrahlungskorrekturverfahren für eine Röntgen-Computertomographieeinrichtung
DE102005043050A1 (de) * 2005-09-09 2007-03-22 Siemens Ag Kalibrierverfahren und Korrekturverfahren für eine Röntgeneinrichtung sowie eine Röntgeneinrichtung zur Ausführung eines derartigen Kalibrier-bzw. Korrekturverfahrens
EP1946622A2 (de) * 2005-10-06 2008-07-23 Imaging Sciences International, Inc. Streukorrektur
US8000435B2 (en) * 2006-06-22 2011-08-16 Koninklijke Philips Electronics N.V. Method and system for error compensation
US7492864B2 (en) * 2007-01-16 2009-02-17 Siemens Medical Solutions Usa, Inc. Methods and apparatus for range based X-Ray attenuation
WO2008104915A2 (en) * 2007-02-27 2008-09-04 Philips Intellectual Property & Standards Gmbh Simulation and visualization of scattered radiation
WO2010058329A1 (en) * 2008-11-21 2010-05-27 Philips Intellectual Property & Standards Gmbh System and method for x-ray scatter correction
WO2010141583A2 (en) * 2009-06-02 2010-12-09 Mayo Foundation For Medical Education And Research System and method for dose verification radiotherapy
DE102009053664A1 (de) 2009-11-17 2011-05-19 Ziehm Imaging Gmbh Verfahren zur empirischen Bestimmung einer Korrekturfunktion zur Korrektur von Strahlungsaufhärtungs- und Streustrahleneffekten in der Projektionsradiografie und in der Computertomografie
US20120163695A1 (en) * 2010-12-22 2012-06-28 General Electric Company Intra-detector scatter correction
KR101254446B1 (ko) * 2011-07-27 2013-04-16 심순임 디지털 엑스레이 영상 데이터 획득시 이를 실행하는 시스템
KR102026735B1 (ko) * 2012-10-02 2019-09-30 삼성전자주식회사 영상 촬영 장치의 검출기의 시스템 응답 및 시스템 응답을 이용하여 의료 영상을 생성하는 방법 및 장치
KR101443051B1 (ko) * 2013-01-10 2014-09-22 제이더블유중외메디칼 주식회사 산란선 제거 방법 및 이를 이용한 디지털 방사선 시스템
JP6653629B2 (ja) * 2016-06-21 2020-02-26 富士フイルム株式会社 放射線画像処理装置、方法およびプログラム
CN108065950B (zh) * 2016-11-14 2021-05-11 通用电气公司 一种放射成像方法及其系统
KR102399148B1 (ko) 2016-11-25 2022-05-19 삼성전자주식회사 엑스선 장치 및 이의 의료 영상 획득
DE102020210958A1 (de) 2020-08-31 2022-03-03 Siemens Healthcare Gmbh Verfahren für eine Artefakt-Korrektur bei einer Rekonstruktion von wenigstens einem Schichtbild aus einer Mehrzahl an Projektionsbildern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1577615A (en) * 1976-05-13 1980-10-29 Emi Ltd Radiography
US4135247A (en) * 1977-08-15 1979-01-16 Siemens Aktiengesellschaft Tomography signal processing system
GB1602071A (en) * 1978-05-12 1981-11-04 Emi Ltd Processing arrangements for medical examination
GB1602072A (en) * 1978-05-12 1981-11-04 Emi Ltd Processing arrangements for constructing representations of parts of bodies
JPS59151940A (ja) * 1983-02-18 1984-08-30 株式会社東芝 X線診断装置
US4727562A (en) * 1985-09-16 1988-02-23 General Electric Company Measurement of scatter in x-ray imaging
US4809172A (en) * 1987-03-11 1989-02-28 Kabushiki Kaisha Toshiba Method for obtaining image data with a tomographic apparatus

Also Published As

Publication number Publication date
JPH02108375A (ja) 1990-04-20
EP0358268A1 (de) 1990-03-14
DE68911072T2 (de) 1994-05-19
JP3112455B2 (ja) 2000-11-27
JP2000102526A (ja) 2000-04-11
EP0358268B1 (de) 1993-12-01
JP3110026B2 (ja) 2000-11-20
US5270925A (en) 1993-12-14
DE68911072D1 (de) 1994-01-13

Similar Documents

Publication Publication Date Title
NL8802184A (nl) Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden.
JP3423828B2 (ja) X線画像作成方法およびその装置
JP4289449B2 (ja) フルオロスコピー画像を処理する医用イメージング・システム及びフルオロスコピー画像を処理するコンピュータにより実行可能なプログラムで符号化されているコンピュータ読み取り可能な媒体
US5878108A (en) Method for generating X-ray image and apparatus therefor
KR101850871B1 (ko) 방사선 영상의 처리방법 및 방사선 촬영시스템
Barna et al. Calibration procedures for charge-coupled device x-ray detectors
JPH07209778A (ja) X線撮像における散乱照射線補正のために部分的に透過性である物体で遮蔽する方法
JP5400546B2 (ja) X線ct装置
US20090147911A1 (en) Scatter compensation in an x-ray system
US7623618B2 (en) Method for scattered radiation correction in X-ray imaging, and X-ray imaging system for this purpose
US20090218480A1 (en) Method of and system for calibration of inspection systems producing x-ray images
Dempsey et al. Quantitative optical densitometry with scanning‐laser film digitizers
EP0689047B1 (de) Verfahren zur Kompensation von Streustrahlung in einem Röntgen-Abbildungssystem
US20140198895A1 (en) Medical imaging system
JP3540914B2 (ja) X線撮影装置
JP4682902B2 (ja) X線撮像装置
US20220076397A1 (en) Image processing apparatus, image processing method, and non-transitory computer-readable storage medium
Lewandowski et al. Noise evaluation of a digital neutron imaging device
CN113228099A (zh) 基于mtf调制的量子噪声测量来计算数字图像检测器系统的点扩散函数的方法和系统
Kharfi et al. Spatial resolution limit study of a CCD camera and scintillator based neutron imaging system according to MTF determination and analysis
Park et al. Effects of image processing on the detective quantum efficiency
Bernhardt et al. Spatial frequency-dependent signal-to-noise ratio as a generalized measure of image quality
Friedman et al. A small‐signal approach to temporal modulation transfer functions with exposure‐rate dependence and its application to fluoroscopic detective quantum efficiency
US20230401677A1 (en) Image processing apparatus, radiation imaging system, image processing method, and non-transitory computer-readable storage medium
US20230360185A1 (en) Image processing apparatus, image processing method, and non-transitory computer-readable storage medium

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed