DE69913311T2 - Röntgenuntersuchungsvorrichtung mit regelung der strahlendosis - Google Patents
Röntgenuntersuchungsvorrichtung mit regelung der strahlendosis Download PDFInfo
- Publication number
- DE69913311T2 DE69913311T2 DE69913311T DE69913311T DE69913311T2 DE 69913311 T2 DE69913311 T2 DE 69913311T2 DE 69913311 T DE69913311 T DE 69913311T DE 69913311 T DE69913311 T DE 69913311T DE 69913311 T2 DE69913311 T2 DE 69913311T2
- Authority
- DE
- Germany
- Prior art keywords
- image
- ray
- noise
- brightness
- movement
- 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
- 230000005855 radiation Effects 0.000 title description 5
- 230000033001 locomotion Effects 0.000 claims description 105
- 238000010191 image analysis Methods 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 20
- 230000002123 temporal effect Effects 0.000 claims description 12
- 230000003247 decreasing effect Effects 0.000 claims description 7
- 238000009795 derivation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 15
- 238000001914 filtration Methods 0.000 description 14
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 206010047571 Visual impairment Diseases 0.000 description 3
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- 230000003287 optical effect Effects 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000003745 diagnosis Methods 0.000 description 2
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Classifications
-
- 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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
-
- 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
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/20—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
-
- 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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/545—Control of apparatus or devices for radiation diagnosis involving automatic set-up of acquisition parameters
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Epidemiology (AREA)
- Primary Health Care (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- X-Ray Techniques (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP98203515 | 1998-10-19 | ||
| EP98203515 | 1998-10-19 | ||
| PCT/EP1999/007029 WO2000023945A1 (en) | 1998-10-19 | 1999-09-22 | X-ray examination apparatus with dose control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69913311D1 DE69913311D1 (de) | 2004-01-15 |
| DE69913311T2 true DE69913311T2 (de) | 2004-10-14 |
Family
ID=8234235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69913311T Expired - Fee Related DE69913311T2 (de) | 1998-10-19 | 1999-09-22 | Röntgenuntersuchungsvorrichtung mit regelung der strahlendosis |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6295336B1 (enExample) |
| EP (1) | EP1046134B1 (enExample) |
| JP (1) | JP2002528851A (enExample) |
| DE (1) | DE69913311T2 (enExample) |
| WO (1) | WO2000023945A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2790123B1 (fr) * | 1999-02-18 | 2001-04-27 | Ge Medical Syst Sa | Procede de traitement d'une sequence d'images fluoroscopiques d'un corps, de facon a ameliorer la qualite des images visualisees |
| 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 |
| DE10163215B4 (de) * | 2001-12-21 | 2020-02-20 | Philips Gmbh | System und Verfahren mit automatisch optimierter Bilderzeugung |
| JP4739738B2 (ja) * | 2004-12-01 | 2011-08-03 | 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 | 線量評価方法およびｘ線ｃｔ装置 |
| DE102005006895B4 (de) * | 2005-02-15 | 2010-11-18 | Siemens Ag | Röntgendiagnostikeinrichtung sowie Verfahren zu deren Regelung |
| US9370330B2 (en) | 2013-02-08 | 2016-06-21 | Siemens Medical Solutions Usa, Inc. | Radiation field and dose control |
| JP6381198B2 (ja) * | 2013-11-08 | 2018-08-29 | キヤノン株式会社 | 制御装置、制御方法及びプログラム |
| US9526468B2 (en) * | 2014-09-09 | 2016-12-27 | General Electric Company | Multiple frame acquisition for exposure control in X-ray medical imagers |
| JP2018185598A (ja) * | 2017-04-25 | 2018-11-22 | 株式会社島津製作所 | 画像処理装置およびイメージング装置 |
| KR102020836B1 (ko) * | 2017-10-23 | 2019-09-11 | 주식회사 칼레이도소프트 | X선 촬영 시스템을 위한 최적 촬영조건 결정 방법 |
| JP7271999B2 (ja) * | 2019-02-22 | 2023-05-12 | コニカミノルタ株式会社 | 画像処理装置、放射線撮影システム、プログラム |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3600464A1 (de) * | 1986-01-10 | 1987-07-16 | Philips Patentverwaltung | Roentgengenerator mit dosisleistungsregelung |
| DE3732634A1 (de) * | 1987-09-28 | 1989-04-06 | Siemens Ag | Roentgendiagnostikeinrichtung |
| DE8714009U1 (de) * | 1987-10-19 | 1989-02-16 | Siemens AG, 1000 Berlin und 8000 München | Röntgendiagnostikvorrichtung |
| US5119409A (en) * | 1990-12-28 | 1992-06-02 | Fischer Imaging Corporation | Dynamic pulse control for fluoroscopy |
| US5253169A (en) * | 1991-11-29 | 1993-10-12 | General Electric Company | Method and apparatus for reducing x-ray dosage during fluoroscopic examinations |
| DE4232901A1 (de) * | 1992-10-01 | 1994-04-07 | Siemens Ag | Medizinisches Diagnostikgerät mit optimierter Signalerfassung zur Belichtungssteuerung |
| DE4328784C2 (de) | 1993-08-26 | 1996-05-23 | Siemens Ag | Röntgendiagnostikeinrichtung |
| BE1007674A3 (nl) * | 1993-10-28 | 1995-09-12 | Philips Electronics Nv | Röntgenonderzoekapparaat. |
| DE4435105C2 (de) * | 1994-09-30 | 2003-07-24 | Siemens Ag | Röntgendiagnostikeinrichtung mit einem Festkörperbildwandler und Verfahren zu deren Betrieb |
| DE69631283T2 (de) * | 1995-10-10 | 2004-10-14 | Koninklijke Philips Electronics N.V. | Röntgenuntersuchungsvorrichtung mit dosierungskontrolle |
| US5675624A (en) * | 1995-12-14 | 1997-10-07 | General Electric Company | Adaptive x-ray brightness and display control for a medical imaging system |
| WO1997024868A1 (en) * | 1995-12-27 | 1997-07-10 | Philips Electronics N.V. | X-ray examination apparatus including an image pick-up apparatus with a correction unit |
| WO1998005003A1 (en) * | 1996-07-30 | 1998-02-05 | Philips Electronics N.V. | Correction for ring-like image artefacts |
| JP3620942B2 (ja) * | 1997-01-14 | 2005-02-16 | 株式会社日立メディコ | Ｘ線装置 |
-
1999
- 1999-09-22 DE DE69913311T patent/DE69913311T2/de not_active Expired - Fee Related
- 1999-09-22 EP EP99948824A patent/EP1046134B1/en not_active Expired - Lifetime
- 1999-09-22 WO PCT/EP1999/007029 patent/WO2000023945A1/en not_active Ceased
- 1999-09-22 JP JP2000577617A patent/JP2002528851A/ja active Pending
- 1999-10-19 US US09/421,344 patent/US6295336B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69913311D1 (de) | 2004-01-15 |
| WO2000023945A1 (en) | 2000-04-27 |
| EP1046134B1 (en) | 2003-12-03 |
| JP2002528851A (ja) | 2002-09-03 |
| US6295336B1 (en) | 2001-09-25 |
| EP1046134A1 (en) | 2000-10-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |