DE68916964D1 - Energiedifferenz-Bildverarbeitungsverfahren. - Google Patents

Energiedifferenz-Bildverarbeitungsverfahren.

Info

Publication number: DE68916964D1
Authority: DE; Germany
Prior art keywords: image processing; processing method; difference image; energy difference; energy
Prior art date: 1989-12-28
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 - Fee Related

Application number

DE68916964T

Other languages

English (en)

Other versions

DE68916964T2 (de

Inventor

Hiroshi Tsutsui

Koichi Ohmori

Tetsuro Ohtsuchi

Sueki Baba

Masanori Watanabe

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.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial Co Ltd

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.)

1989-12-28

Filing date

1989-12-28

Publication date

1994-08-25

1989-12-28 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1994-08-25 Application granted granted Critical

1994-08-25 Publication of DE68916964D1 publication Critical patent/DE68916964D1/de

1995-03-30 Publication of DE68916964T2 publication Critical patent/DE68916964T2/de

2009-12-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/003—Reconstruction from projections, e.g. tomography
- G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
- 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
- G06T2211/00—Image generation
- G06T2211/40—Computed tomography
- G06T2211/408—Dual energy

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)
Apparatus For Radiation Diagnosis (AREA)
Analysing Materials By The Use Of Radiation (AREA)

DE68916964T 1989-12-28 1989-12-28 Energiedifferenz-Bildverarbeitungsverfahren. Expired - Fee Related DE68916964T2 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP89313635A EP0434872B1 (de)	1989-12-28	1989-12-28	Energiedifferenz-Bildverarbeitungsverfahren
US08/136,409 US5396530A (en)	1989-12-26	1993-10-15	Energy difference image processing method

Publications (2)

Publication Number	Publication Date
DE68916964D1 true DE68916964D1 (de)	1994-08-25
DE68916964T2 DE68916964T2 (de)	1995-03-30

Family

ID=26122685

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68916964T Expired - Fee Related DE68916964T2 (de)	1989-12-28	1989-12-28	Energiedifferenz-Bildverarbeitungsverfahren.

Country Status (3)

Country	Link
US (1)	US5396530A (de)
EP (1)	EP0434872B1 (de)
DE (1)	DE68916964T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6315447B1 (en) *	1998-12-22	2001-11-13	Bio-Imaging Technologies, Inc.	Variable composition phantom simulating varying degrees of body fat for dual energy x-ray machine calibration
US6487274B2 (en)	2001-01-29	2002-11-26	Siemens Medical Solutions Usa, Inc.	X-ray target assembly and radiation therapy systems and methods
US6816572B2 (en)	2002-03-08	2004-11-09	Ge Medical Systems Global Technology Co., Llc	Method, system and computer product for processing dual energy images
JP4619781B2 (ja) *	2002-07-23	2011-01-26	ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー	プラークの成分を検出するためのシステム
US6922462B2 (en) *	2002-07-31	2005-07-26	Ge Medical Systems Global Technology Company, Llc	Method, system and computer product for plaque characterization
US8031927B2 (en)	2005-12-28	2011-10-04	The General Hospital Corporation	Medical image processing
US7689017B2 (en) *	2005-12-28	2010-03-30	The General Hospital Corporation	Medical image processing
JP2008241376A (ja) *	2007-03-27	2008-10-09	Hitachi Ltd	Ｘ線ｃｔ画像再構成方法
JP2009022450A (ja) *	2007-07-18	2009-02-05	Ge Medical Systems Global Technology Co Llc	Ｘ線ｃｔ装置および画像作成方法
JP5274812B2 (ja) *	2007-11-12	2013-08-28	ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー	Ｘ線ｃｔ装置及び画像処理装置
US8401266B2 (en)	2010-11-29	2013-03-19	General Electric Company	Method and system for correlated noise suppression in dual energy imaging
US9435900B2 (en) *	2011-06-08	2016-09-06	The Board Of Trustees Of The Leland Stanford Junior University	X-ray system utilizing alternating spectrum x-ray source in conjuction with a fixed spectrum separation filter approval

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4029963A (en) *	1976-07-30	1977-06-14	The Board Of Trustees Of Leland Stanford Junior University	X-ray spectral decomposition imaging system
US4506327A (en) *	1981-11-23	1985-03-19	General Electric Company	Limited-angle imaging using multiple energy scanning
JPH0833916B2 (ja) *	1986-03-12	1996-03-29	松下電器産業株式会社	放射線画像処理方法
US4792900A (en) *	1986-11-26	1988-12-20	Picker International, Inc.	Adaptive filter for dual energy radiographic imaging

1989
- 1989-12-28 DE DE68916964T patent/DE68916964T2/de not_active Expired - Fee Related
- 1989-12-28 EP EP89313635A patent/EP0434872B1/de not_active Expired - Lifetime
1993
- 1993-10-15 US US08/136,409 patent/US5396530A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0434872A1 (de)	1991-07-03
EP0434872B1 (de)	1994-07-20
US5396530A (en)	1995-03-07
DE68916964T2 (de)	1995-03-30

Publication	Publication Date	Title
DE69022469D1 (de)	1995-10-26	Zitter-Bildverarbeitungsmethode.
DE68923650D1 (de)	1995-09-07	Bildverarbeitungsverfahren.
DE3852112D1 (de)	1994-12-22	Bildverarbeitung.
DE3876472D1 (de)	1993-01-21	Bildverarbeitung.
DE3774516D1 (de)	1991-12-19	Bildverarbeitung.
FI905832A0 (fi)	1990-11-27	Anordning.
UA21889C2 (uk)	1998-04-30	Спосіб переробки відходів
DE3586553D1 (de)	1992-10-01	Bildverarbeitungsverfahren.
DE3686862D1 (de)	1992-11-05	Bildverarbeitungsverfahren.
DE68922674D1 (de)	1995-06-22	Bildverarbeitungsverfahren und -anordnung.
DE69017580D1 (de)	1995-04-13	Bilderzeugungsverfahren.
DE68924190D1 (de)	1995-10-19	Bildverarbeitungsmethode.
DE3876734D1 (de)	1993-01-28	Bildverarbeitung.
DE68921137D1 (de)	1995-03-23	Bildverarbeitung.
DE69100665D1 (de)	1994-01-05	Trennungsmethode.
DE69033920D1 (de)	2002-04-04	Bildherstellungsverfahren
DE68904356D1 (de)	1993-02-25	Bildverarbeitung.
DE69022815D1 (de)	1995-11-09	Bilderzeugungsverfahren.
DE3851264D1 (de)	1994-10-06	Bildverarbeitungsverfahren.
DE68924687D1 (de)	1995-12-07	Bildherstellungsverfahren.
DE69004713D1 (de)	1994-01-05	Bilderzeugungsverfahren.
DE68916964D1 (de)	1994-08-25	Energiedifferenz-Bildverarbeitungsverfahren.
DE69016123D1 (de)	1995-03-02	Bildverarbeitungsgerät.
DE69018972D1 (de)	1995-06-01	Abbildungssystem.
DE69013694D1 (de)	1994-12-08	Bildlesegerät.

Legal Events

Date	Code	Title
1995-08-17	8364	No opposition during term of opposition
1997-11-06	8320	Willingness to grant licences declared (paragraph 23)
2007-10-18	8339	Ceased/non-payment of the annual fee