DE69823285T2 - Verfahren zum korrigieren des streuflusses in digitalen radiografischen darstellungen - Google Patents

Verfahren zum korrigieren des streuflusses in digitalen radiografischen darstellungen Download PDF

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Publication number
DE69823285T2
DE69823285T2 DE69823285T DE69823285T DE69823285T2 DE 69823285 T2 DE69823285 T2 DE 69823285T2 DE 69823285 T DE69823285 T DE 69823285T DE 69823285 T DE69823285 T DE 69823285T DE 69823285 T2 DE69823285 T2 DE 69823285T2
Authority
DE
Germany
Prior art keywords
streuflux
representations
correcting
digital radiographic
radiographic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69823285T
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English (en)
Other versions
DE69823285D1 (de
Inventor
Michel Darboux
Jean-Marc Dinten
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Application granted granted Critical
Publication of DE69823285D1 publication Critical patent/DE69823285D1/de
Publication of DE69823285T2 publication Critical patent/DE69823285T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/73—Deblurring; Sharpening
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
DE69823285T 1997-02-17 1998-02-13 Verfahren zum korrigieren des streuflusses in digitalen radiografischen darstellungen Expired - Lifetime DE69823285T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9701810A FR2759800B1 (fr) 1997-02-17 1997-02-17 Procede de correction du flux diffuse dans des images de radiographie numerique
PCT/FR1998/000278 WO1998036380A1 (fr) 1997-02-17 1998-02-13 Procede de correction du flux diffuse dans des images de radiographie numerique

Publications (2)

Publication Number Publication Date
DE69823285D1 DE69823285D1 (de) 2004-05-27
DE69823285T2 true DE69823285T2 (de) 2005-04-21

Family

ID=9503789

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69823285T Expired - Lifetime DE69823285T2 (de) 1997-02-17 1998-02-13 Verfahren zum korrigieren des streuflusses in digitalen radiografischen darstellungen

Country Status (6)

Country Link
US (1) US6104777A (de)
EP (1) EP0898765B1 (de)
CA (1) CA2252005A1 (de)
DE (1) DE69823285T2 (de)
FR (1) FR2759800B1 (de)
WO (1) WO1998036380A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6215846B1 (en) * 1996-02-21 2001-04-10 Lunar Corporation Densitometry adapter for compact x-ray fluoroscopy machine
US6315445B1 (en) 1996-02-21 2001-11-13 Lunar Corporation Densitometry adapter for compact x-ray fluoroscopy machine
FR2801776B1 (fr) 1999-12-03 2002-04-26 Commissariat Energie Atomique Procede d'utilisation d'un systeme d'osteodensitometrie, par rayonnement x bi-energie, a faisceau conique
JP2002077641A (ja) * 2000-08-30 2002-03-15 Matsushita Electric Ind Co Ltd ファクシミリ装置
FR2820965B1 (fr) 2001-02-16 2003-04-04 Commissariat Energie Atomique Procede d'estimation d'un rayonnement diffuse, notamment afin de corriger des mesures en radiographie
US6632020B2 (en) 2001-10-12 2003-10-14 General Electric Company Method and apparatus for calibrating an imaging system
US6633626B2 (en) 2002-02-01 2003-10-14 General Electric Company Methods and apparatus for correcting scatter
US7352887B2 (en) * 2003-04-11 2008-04-01 Hologic, Inc. Scatter rejection for composite medical imaging systems
EP1618411A4 (de) 2003-04-11 2012-04-25 Fischer Imaging Corp Streuungsunterdrückung für zusammengesetzte medizinische abbildungssysteme
WO2004095063A2 (en) * 2003-04-23 2004-11-04 Board Of Regents, The University Of Texas System Method and apparatus for slot scanning digital radiography
DE102004029010A1 (de) * 2004-06-16 2006-01-19 Siemens Ag Vorrichtung und Verfahren für die Streustrahlungskorrektur in der Projektionsradiographie, insbesondere der Mammographie
US7471813B2 (en) * 2004-10-01 2008-12-30 Varian Medical Systems International Ag Systems and methods for correction of scatter in images
US20080253515A1 (en) * 2005-02-01 2008-10-16 Koninklijke Philips Electronics, N.V. Apparatus and Method for Correction of Extension of X-Ray Projections
KR20080069591A (ko) * 2005-10-06 2008-07-28 이미징 사이언시즈 인터내셔널, 인크. 스캐터 보정
DE102006046732B4 (de) * 2006-09-29 2014-12-31 Siemens Aktiengesellschaft Verfahren für die Streustrahlungskorrektur und eine Vorrichtung für die Aufnahme von Schwächungsbildern
DE102007020065A1 (de) * 2007-04-27 2008-10-30 Siemens Ag Verfahren für die Erstellung von Massenbelegungsbildern anhand von in unterschiedlichen Energiebereichen aufgenommenen Schwächungsbildern
US8433154B2 (en) 2010-12-13 2013-04-30 Carestream Health, Inc. Enhanced contrast for scatter compensation in X-ray imaging
US8483471B2 (en) * 2011-06-30 2013-07-09 General Electric Company Method and system for scatter correction in X-ray imaging
KR20140048658A (ko) * 2012-10-16 2014-04-24 삼성전자주식회사 캘리브레이션 장치 및 방법
FR3024235B1 (fr) 2014-07-22 2022-01-28 Univ Joseph Fourier Systeme d'imagerie planaire permettant la correction du diffuse
US9375192B2 (en) 2014-10-14 2016-06-28 Carestream Health, Inc. Reconstruction of a cone beam scanned object
CN111588997B (zh) * 2020-05-18 2022-07-12 上海联影医疗科技股份有限公司 散射量的确定方法、装置、设备和存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8802184A (nl) * 1988-09-05 1990-04-02 Philips Nv Werkwijze en inrichting voor correctie van strooistralingseffecten in roentgenbeelden.
US5440647A (en) * 1993-04-22 1995-08-08 Duke University X-ray procedure for removing scattered radiation and enhancing signal-to-noise ratio (SNR)
US5862199A (en) * 1995-08-30 1999-01-19 University Of Guelph Method and apparatus for measuring thickness of paint layers on substrates using backscattering of x-rays

Also Published As

Publication number Publication date
EP0898765A1 (de) 1999-03-03
CA2252005A1 (fr) 1998-08-20
WO1998036380A1 (fr) 1998-08-20
EP0898765B1 (de) 2004-04-21
FR2759800B1 (fr) 1999-03-26
US6104777A (en) 2000-08-15
DE69823285D1 (de) 2004-05-27
FR2759800A1 (fr) 1998-08-21

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