DE68902255T2 - Verfahren zur bestimmung der kontur eines bestrahlungsfelds. - Google Patents

Verfahren zur bestimmung der kontur eines bestrahlungsfelds.

Info

Publication number: DE68902255T2
Authority: DE; Germany
Prior art keywords: contour; determining; radiation field; radiation; field
Prior art date: 1988-03-19
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

DE8989104828T

Other languages

English (en)

Other versions

DE68902255D1 (de

Inventor

Ltd Takeo

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.)

Fujifilm Holdings Corp

Original Assignee

Fuji Photo Film 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.)

1988-03-19

Filing date

1989-03-17

Publication date

1993-01-21

1988-07-26 Priority claimed from JP63186085A external-priority patent/JP2525648B2/ja

1988-07-26 Priority claimed from JP63186084A external-priority patent/JP2582625B2/ja

1989-03-17 Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd

1992-09-03 Application granted granted Critical

1992-09-03 Publication of DE68902255D1 publication Critical patent/DE68902255D1/de

1993-01-21 Publication of DE68902255T2 publication Critical patent/DE68902255T2/de

2009-03-18 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
- G01T1/2012—Measuring radiation intensity with scintillation detectors using stimulable phosphors, e.g. stimulable phosphor sheets
- G01T1/2014—Reading out of stimulable sheets, e.g. latent image
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/12—Edge-based segmentation
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/194—Segmentation; Edge detection involving foreground-background segmentation
- 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
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing

DE8989104828T 1988-03-19 1989-03-17 Verfahren zur bestimmung der kontur eines bestrahlungsfelds. Expired - Fee Related DE68902255T2 (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP6673788		1988-03-19
JP6673888		1988-03-19
JP63186085A JP2525648B2 (ja)	1988-03-19	1988-07-26	放射線照射野輪郭候補点正誤判定方法
JP63186084A JP2582625B2 (ja)	1988-03-19	1988-07-26	放射線照射野輪郭候補点正誤判定方法

Publications (2)

Publication Number	Publication Date
DE68902255D1 DE68902255D1 (de)	1992-09-03
DE68902255T2 true DE68902255T2 (de)	1993-01-21

Family

ID=27464760

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8989104828T Expired - Fee Related DE68902255T2 (de)	1988-03-19	1989-03-17	Verfahren zur bestimmung der kontur eines bestrahlungsfelds.

Country Status (3)

Country	Link
US (1)	US4992663A (de)
EP (1)	EP0335204B1 (de)
DE (1)	DE68902255T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2532940B2 (ja) *	1989-04-06	1996-09-11	富士写真フイルム株式会社	偽画像信号の検出方法
JP2739365B2 (ja) *	1989-12-25	1998-04-15	富士写真フイルム株式会社	画像ファイリング装置
US5291404A (en) *	1990-04-18	1994-03-01	Mitsubishi Denki Kabushiki Kaisha	Radiotherapy treatment planning system
US5272339A (en) *	1990-06-20	1993-12-21	Fuji Photo Film Co., Ltd.	Method for adjusting conditions in radiation image recording, readout, and reproducing systems
DE69312257T2 (de) *	1993-02-11	1998-01-29	Agfa Gevaert Nv	Strahlungsfelderkennungsverfahren
US6853740B1 (en) *	1998-04-07	2005-02-08	Canon Kabushiki Kaisha	Image processing method apparatus and storage medium for recognition of irradiation area
JP3619158B2 (ja) *	2001-02-13	2005-02-09	キヤノン株式会社	画像処理装置、画像処理システム、画像処理方法、画像処理方法プログラム及び記録媒体
JP2004030596A (ja) *	2002-05-10	2004-01-29	Canon Inc	画像階調変換方法、画像階調変換装置、システム、プログラム及び記憶媒体
JP4280729B2 (ja) *	2005-05-31	2009-06-17	キヤノン株式会社	照射野領域抽出方法及び放射線撮影装置
JP5556663B2 (ja) *	2008-10-10	2014-07-23	日本電気株式会社	照合装置、照合方法、及びプログラム
JP2014126826A (ja) *	2012-12-27	2014-07-07	Fujifilm Corp	放射線画像読取装置、プログラム及び放射線画像読取方法
JP6326812B2 (ja) *	2013-12-26	2018-05-23	コニカミノルタ株式会社	画像処理装置及び照射野認識方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3587220T2 (de) *	1984-01-13	1993-07-08	Komatsu Mfg Co Ltd	Identifizierungsverfahren von konturlinien.
US4851678A (en) *	1984-07-31	1989-07-25	Fuji Photo Film Co., Ltd.	Method of adjusting radiation image read-out conditions

1989
- 1989-03-17 US US07/324,879 patent/US4992663A/en not_active Expired - Lifetime
- 1989-03-17 DE DE8989104828T patent/DE68902255T2/de not_active Expired - Fee Related
- 1989-03-17 EP EP89104828A patent/EP0335204B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US4992663A (en)	1991-02-12
EP0335204A2 (de)	1989-10-04
EP0335204A3 (en)	1989-10-11
EP0335204B1 (de)	1992-07-29
DE68902255D1 (de)	1992-09-03

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Legal Events

Date	Code	Title	Description
1993-08-26	8364	No opposition during term of opposition
2006-01-05	8339	Ceased/non-payment of the annual fee