DE69307693D1 - Verfahren sowie Vorrichtung zur Überwachung der Empfindlichkeit eines Systems zur Wiedergabe von in einem photostimulierbaren Leuchtstoffschirm gespeicherten Bildern - Google Patents
Verfahren sowie Vorrichtung zur Überwachung der Empfindlichkeit eines Systems zur Wiedergabe von in einem photostimulierbaren Leuchtstoffschirm gespeicherten BildernInfo
- Publication number
- DE69307693D1 DE69307693D1 DE69307693T DE69307693T DE69307693D1 DE 69307693 D1 DE69307693 D1 DE 69307693D1 DE 69307693 T DE69307693 T DE 69307693T DE 69307693 T DE69307693 T DE 69307693T DE 69307693 D1 DE69307693 D1 DE 69307693D1
- Authority
- DE
- Germany
- Prior art keywords
- sensitivity
- monitoring
- phosphor screen
- images stored
- photostimulable phosphor
- 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 - Fee Related
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000012544 monitoring process Methods 0.000 title 1
- 230000035945 sensitivity Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
-
- 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
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4216—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using storage phosphor screens
-
- 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
- A61B6/58—Testing, adjusting or calibrating thereof
- A61B6/582—Calibration
- A61B6/585—Calibration of detector units
-
- 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
- G06T2207/30168—Image quality inspection
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- High Energy & Nuclear Physics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Radiography Using Non-Light Waves (AREA)
- Image Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93202389A EP0639818B1 (de) | 1993-08-16 | 1993-08-16 | Verfahren sowie Vorrichtung zur Überwachung der Empfindlichkeit eines Systems zur Wiedergabe von in einem photostimulierbaren Leuchtstoffschirm gespeicherten Bildern |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69307693D1 true DE69307693D1 (de) | 1997-03-06 |
DE69307693T2 DE69307693T2 (de) | 1997-07-24 |
Family
ID=8214042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69307693T Expired - Fee Related DE69307693T2 (de) | 1993-08-16 | 1993-08-16 | Verfahren sowie Vorrichtung zur Überwachung der Empfindlichkeit eines Systems zur Wiedergabe von in einem photostimulierbaren Leuchtstoffschirm gespeicherten Bildern |
Country Status (4)
Country | Link |
---|---|
US (1) | US5684888A (de) |
EP (1) | EP0639818B1 (de) |
JP (1) | JP3599376B2 (de) |
DE (1) | DE69307693T2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4083251B2 (ja) * | 1996-08-16 | 2008-04-30 | 富士フイルム株式会社 | 照射野外画像処理方法および装置 |
JPH1084463A (ja) * | 1996-09-10 | 1998-03-31 | Fuji Photo Film Co Ltd | 放射線画像処理方法および装置 |
US6381352B1 (en) * | 1999-02-02 | 2002-04-30 | The United States Of America As Represented By The Secretary Of The Navy | Method of isolating relevant subject matter in an image |
FR2819368B1 (fr) * | 2001-01-09 | 2006-09-15 | Ge Med Sys Global Tech Co Llc | Procede d'etalonnage d'un appareil de radiologie, et appareil de radiologie |
JP2004077709A (ja) * | 2002-08-15 | 2004-03-11 | Konica Minolta Holdings Inc | 画像入力装置及び画像入力方法 |
JP4910699B2 (ja) * | 2004-07-07 | 2012-04-04 | 株式会社ニコン | 画像処理装置 |
JP4549790B2 (ja) * | 2004-09-15 | 2010-09-22 | 富士フイルム株式会社 | 放射線画像読取装置 |
JP2006084259A (ja) * | 2004-09-15 | 2006-03-30 | Fuji Photo Film Co Ltd | 光電子増倍管の感度劣化推定方法および装置 |
JP4952251B2 (ja) * | 2004-12-17 | 2012-06-13 | 株式会社ニコン | 画像処理方法、画像処理プログラム、記録媒体、および画像処理装置 |
ITVA20060060A1 (it) * | 2006-10-06 | 2008-04-07 | St Microelectronics R&D Ltd | Metodo e relativo dispositivo per stimare il livello di rumore gaussiano bianco che corrompe un'immagine digitale |
JP2008271049A (ja) * | 2007-04-18 | 2008-11-06 | Hamamatsu Photonics Kk | 撮像装置及びそのゲイン調整方法 |
RU195145U1 (ru) * | 2019-09-24 | 2020-01-15 | Общество с ограниченной ответственностью "Альцстор" | Панталоны |
FR3115192A1 (fr) * | 2020-10-15 | 2022-04-22 | Trixell | Procédé de contrôle d’exposition en temps réel d’une dose de rayons X |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2293011A1 (fr) * | 1974-09-16 | 1976-06-25 | France Etat | Perfectionnements aux procedes et dispositifs de normalisation d'images numeriques |
JPS5728275A (en) * | 1980-07-28 | 1982-02-15 | Aloka Co Ltd | Automatic ri monitor system having self-diagnostic function |
US4761819A (en) * | 1987-02-27 | 1988-08-02 | Picker International, Inc. | Adaptive noise reduction filter for reconstructed images |
US4851984A (en) * | 1987-08-03 | 1989-07-25 | University Of Chicago | Method and system for localization of inter-rib spaces and automated lung texture analysis in digital chest radiographs |
US5198669A (en) * | 1989-09-20 | 1993-03-30 | Fujitsu Limited | Digital X-ray image processing apparatus |
FR2666426B1 (fr) * | 1990-08-31 | 1994-08-19 | Gen Electric Cgr | Procede de correction des mesures de densite optique effectuees sur un film radiographique. |
US5172419A (en) * | 1991-03-05 | 1992-12-15 | Lumisys, Inc. | Medical image processing system |
US5309237A (en) * | 1992-03-31 | 1994-05-03 | Siemens Corporate Research, Inc. | Apparatus and method of compensating image-sequences for motion |
US5221843A (en) * | 1992-04-23 | 1993-06-22 | Alvarez Robert E | Active energy selective x-ray image detection |
US5319696A (en) * | 1992-10-05 | 1994-06-07 | General Electric Company | X-ray dose reduction in pulsed systems by adaptive X-ray pulse adjustment |
-
1993
- 1993-08-16 DE DE69307693T patent/DE69307693T2/de not_active Expired - Fee Related
- 1993-08-16 EP EP93202389A patent/EP0639818B1/de not_active Expired - Lifetime
-
1994
- 1994-08-05 US US08/286,483 patent/US5684888A/en not_active Expired - Fee Related
- 1994-08-10 JP JP21037894A patent/JP3599376B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0639818B1 (de) | 1997-01-22 |
JP3599376B2 (ja) | 2004-12-08 |
JPH0792588A (ja) | 1995-04-07 |
US5684888A (en) | 1997-11-04 |
DE69307693T2 (de) | 1997-07-24 |
EP0639818A1 (de) | 1995-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: AGFA HEALTHCARE NV, MORTSEL, BE |
|
8339 | Ceased/non-payment of the annual fee |