FR2851359B1 - Procede et dispositif de calibration et de correction de niveaux de gris - Google Patents
Procede et dispositif de calibration et de correction de niveaux de grisInfo
- Publication number
- FR2851359B1 FR2851359B1 FR0301797A FR0301797A FR2851359B1 FR 2851359 B1 FR2851359 B1 FR 2851359B1 FR 0301797 A FR0301797 A FR 0301797A FR 0301797 A FR0301797 A FR 0301797A FR 2851359 B1 FR2851359 B1 FR 2851359B1
- Authority
- FR
- France
- Prior art keywords
- calibrating
- gray levels
- correcting gray
- correcting
- levels
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
- A61B6/582—Calibration
- A61B6/583—Calibration using calibration phantoms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/30—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from X-rays
-
- 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
-
- 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
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0301797A FR2851359B1 (fr) | 2003-02-14 | 2003-02-14 | Procede et dispositif de calibration et de correction de niveaux de gris |
US10/775,912 US20050031180A1 (en) | 2003-02-14 | 2004-02-10 | Method and apparatus for calibration and correction of gray levels in images |
DE102004006853A DE102004006853A1 (de) | 2003-02-14 | 2004-02-12 | Verfahren und Gerät zum Kalibrieren und Korrigieren von Graustufen auf Bildern |
JP2004036253A JP4436695B2 (ja) | 2003-02-14 | 2004-02-13 | 画像のグレー・レベルを較正し補正する方法及び装置 |
US12/115,596 US7548640B2 (en) | 2003-02-14 | 2008-05-06 | Method and apparatus for calibration and correction of gray levels in images |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0301797A FR2851359B1 (fr) | 2003-02-14 | 2003-02-14 | Procede et dispositif de calibration et de correction de niveaux de gris |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2851359A1 FR2851359A1 (fr) | 2004-08-20 |
FR2851359B1 true FR2851359B1 (fr) | 2005-05-06 |
Family
ID=32749572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0301797A Expired - Fee Related FR2851359B1 (fr) | 2003-02-14 | 2003-02-14 | Procede et dispositif de calibration et de correction de niveaux de gris |
Country Status (4)
Country | Link |
---|---|
US (2) | US20050031180A1 (fr) |
JP (1) | JP4436695B2 (fr) |
DE (1) | DE102004006853A1 (fr) |
FR (1) | FR2851359B1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050160175A1 (en) * | 2004-01-21 | 2005-07-21 | D-Link Corporation | Communication system employing HTTP as transfer protocol and employing XML documents to automatically configure VoIP device |
DE102009015116B4 (de) * | 2009-03-31 | 2016-03-03 | Tomtec Imaging Systems Gmbh | Verfahren und Vorrichtung zur Registrierung von Bilddatensätzen und zur Reduktion von lagebedingten Grauwertschwankungen nebst zugehörigen Gegenständen |
JP5517484B2 (ja) * | 2009-05-01 | 2014-06-11 | キヤノン株式会社 | 撮像装置及び撮像システム、それらの制御方法及びそのプログラム |
WO2013056733A1 (fr) * | 2011-10-19 | 2013-04-25 | Siemens Aktiengesellschaft | Réduction d'artefact hors plan sur une tdm et une tomosynthèse mammaire numérique |
EP2737852B1 (fr) * | 2012-11-30 | 2015-08-19 | GE Sensing & Inspection Technologies GmbH | Procédé de détection des propriétés d'imagerie géométriques d'un détecteur à panneau plat, systèm de test adapté suivant et corps de calibrage |
US10512439B2 (en) | 2013-07-03 | 2019-12-24 | General Electric Company | Method of contrast enhanced breast imaging, and contrast agent reference insert |
KR101938183B1 (ko) | 2017-09-12 | 2019-01-15 | 동서대학교산학협력단 | 이동하는 대상체에 대한 방사선 영상의 화질 개선 방법 및 그 프로그램 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2622714B1 (fr) * | 1987-10-29 | 1993-01-08 | Goumot Pierre Alain | Procede d'analyse de mammographie |
DE3842525A1 (de) * | 1988-12-17 | 1990-06-21 | Philips Patentverwaltung | Verfahren zur erzeugung einer roentgenaufnahme mittels eines photoleiters und anordnung zur durchfuehrung des verfahrens |
US5359638A (en) * | 1992-03-30 | 1994-10-25 | General Electric Company | Method for recursive filtering residual afterglow from previous computed tomography scans |
US5452338A (en) * | 1994-07-07 | 1995-09-19 | General Electric Company | Method and system for real time offset correction in a large area solid state x-ray detector |
DE19631624C1 (de) * | 1996-08-05 | 1997-10-23 | Siemens Ag | Röntgendiagnostikeinrichtung |
US6201850B1 (en) * | 1999-01-26 | 2001-03-13 | Agilent Technologies, Inc. | Enhanced thickness calibration and shading correction for automatic X-ray inspection |
US6694047B1 (en) * | 1999-07-15 | 2004-02-17 | General Electric Company | Method and apparatus for automated image quality evaluation of X-ray systems using any of multiple phantoms |
US7027650B2 (en) * | 1999-12-10 | 2006-04-11 | Christian Williame | Dynamic computing imagery, especially for visceral osteopathy and for articular kinetics |
-
2003
- 2003-02-14 FR FR0301797A patent/FR2851359B1/fr not_active Expired - Fee Related
-
2004
- 2004-02-10 US US10/775,912 patent/US20050031180A1/en not_active Abandoned
- 2004-02-12 DE DE102004006853A patent/DE102004006853A1/de not_active Withdrawn
- 2004-02-13 JP JP2004036253A patent/JP4436695B2/ja not_active Expired - Fee Related
-
2008
- 2008-05-06 US US12/115,596 patent/US7548640B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE102004006853A1 (de) | 2004-08-26 |
JP2004248297A (ja) | 2004-09-02 |
US7548640B2 (en) | 2009-06-16 |
JP4436695B2 (ja) | 2010-03-24 |
US20050031180A1 (en) | 2005-02-10 |
FR2851359A1 (fr) | 2004-08-20 |
US20080205738A1 (en) | 2008-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 13 |
|
ST | Notification of lapse |
Effective date: 20161028 |