JP4436695B2 - 画像のグレー・レベルを較正し補正する方法及び装置 - Google Patents
画像のグレー・レベルを較正し補正する方法及び装置 Download PDFInfo
- Publication number
- JP4436695B2 JP4436695B2 JP2004036253A JP2004036253A JP4436695B2 JP 4436695 B2 JP4436695 B2 JP 4436695B2 JP 2004036253 A JP2004036253 A JP 2004036253A JP 2004036253 A JP2004036253 A JP 2004036253A JP 4436695 B2 JP4436695 B2 JP 4436695B2
- Authority
- JP
- Japan
- Prior art keywords
- image
- gray level
- series
- value
- images
- 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
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
-
- 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
- A61B6/583—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 OR CALCULATING; 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 OR CALCULATING; 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- General Physics & Mathematics (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Signal Processing (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Multimedia (AREA)
- Pathology (AREA)
- Theoretical Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Image Processing (AREA)
- Apparatus For Radiation Diagnosis (AREA)
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 (3)
| Publication Number | Publication Date |
|---|---|
| JP2004248297A JP2004248297A (ja) | 2004-09-02 |
| JP2004248297A5 JP2004248297A5 (https=) | 2007-03-29 |
| JP4436695B2 true JP4436695B2 (ja) | 2010-03-24 |
Family
ID=32749572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004036253A Expired - Fee Related 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 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20050031180A1 (https=) |
| JP (1) | JP4436695B2 (https=) |
| DE (1) | DE102004006853A1 (https=) |
| FR (1) | FR2851359B1 (https=) |
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 |
| US9449403B2 (en) * | 2011-10-19 | 2016-09-20 | Siemens Aktiengesellschaft | Out of plane artifact reduction in digital breast tomosynthesis and CT |
| EP2737852B1 (de) * | 2012-11-30 | 2015-08-19 | GE Sensing & Inspection Technologies GmbH | Verfahren zum Erfassen geometrischer Abbildungseigenschaften eines Flachbilddetektors, entsprechend eingerichtete Röntgenprüfanlage und Kalibrierkörper |
| EP3016591B1 (en) * | 2013-07-03 | 2020-09-02 | General Electric Company | 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 |
|---|---|
| FR2851359A1 (fr) | 2004-08-20 |
| DE102004006853A1 (de) | 2004-08-26 |
| US20050031180A1 (en) | 2005-02-10 |
| US20080205738A1 (en) | 2008-08-28 |
| US7548640B2 (en) | 2009-06-16 |
| JP2004248297A (ja) | 2004-09-02 |
| FR2851359B1 (fr) | 2005-05-06 |
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