KR20030041851A - X선 시스템 및 x선 영상의 대비 강화 방법 - Google Patents
X선 시스템 및 x선 영상의 대비 강화 방법 Download PDFInfo
- Publication number
- KR20030041851A KR20030041851A KR1020020072803A KR20020072803A KR20030041851A KR 20030041851 A KR20030041851 A KR 20030041851A KR 1020020072803 A KR1020020072803 A KR 1020020072803A KR 20020072803 A KR20020072803 A KR 20020072803A KR 20030041851 A KR20030041851 A KR 20030041851A
- Authority
- KR
- South Korea
- Prior art keywords
- collimator
- data
- subject
- ray
- contrast
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/90—Dynamic range modification of images or parts thereof
- G06T5/94—Dynamic range modification of images or parts thereof based on local image properties, e.g. for local contrast enhancement
-
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/40—Image enhancement or restoration using histogram techniques
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/991,050 US6614877B2 (en) | 2001-11-21 | 2001-11-21 | Method and apparatus for enhancing the contrast of a medical diagnostic image acquired using collimation |
| US09/991,050 | 2001-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20030041851A true KR20030041851A (ko) | 2003-05-27 |
Family
ID=25536806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020020072803A Withdrawn KR20030041851A (ko) | 2001-11-21 | 2002-11-21 | X선 시스템 및 x선 영상의 대비 강화 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6614877B2 (https=) |
| EP (1) | EP1321899B1 (https=) |
| JP (1) | JP2003180667A (https=) |
| KR (1) | KR20030041851A (https=) |
| CN (1) | CN1419891A (https=) |
| DE (1) | DE60231078D1 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100923624B1 (ko) * | 2008-01-21 | 2009-10-23 | 고려공업검사 주식회사 | Cmos 센서를 이용한 방사선 투과 영상장치 |
| WO2012108655A3 (en) * | 2011-02-09 | 2012-10-26 | Samsung Electronics Co., Ltd. | X-ray generating apparatus and x-ray imaging system having the same |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7003145B2 (en) | 2001-01-05 | 2006-02-21 | Ge Medical Systems Global Technology Company, Llc. | Image cropping for asymmetrical imaging |
| JP4323770B2 (ja) * | 2002-10-18 | 2009-09-02 | キヤノン株式会社 | 画像処理装置、画像処理方法、プログラム及び記録媒体 |
| JP2007506961A (ja) * | 2003-09-24 | 2007-03-22 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 画素化した検出器のための位置合わせ方法及び装置 |
| US20060241370A1 (en) * | 2005-03-30 | 2006-10-26 | George Kramp | Medical x-ray imaging workflow improvement |
| US7133492B2 (en) * | 2004-03-30 | 2006-11-07 | Siemens Medical Solutions Usa, Inc. | Method for reducing radiation exposure during patient positioning |
| US7136455B2 (en) * | 2004-11-02 | 2006-11-14 | General Electric Company | Electron emitter assembly and method for adjusting a size of electron beams |
| US20070036266A1 (en) * | 2005-03-29 | 2007-02-15 | George Kramp | Medical x-ray imaging workflow improvement |
| US8983024B2 (en) | 2006-04-14 | 2015-03-17 | William Beaumont Hospital | Tetrahedron beam computed tomography with multiple detectors and/or source arrays |
| US9339243B2 (en) | 2006-04-14 | 2016-05-17 | William Beaumont Hospital | Image guided radiotherapy with dual source and dual detector arrays tetrahedron beam computed tomography |
| JP5538880B2 (ja) * | 2006-04-14 | 2014-07-02 | ウィリアム・ボーモント・ホスピタル | 4面体ビームコンピュータ断層撮影 |
| CA2905989C (en) * | 2006-05-25 | 2017-01-24 | Di Yan | Real-time, on-line and offline treatment dose tracking and feedback process for volumetric image guided adaptive radiotherapy |
| US7869637B2 (en) * | 2006-07-31 | 2011-01-11 | Siemens Medical Solutions Usa, Inc. | Histogram calculation for auto-windowing of collimated X-ray image |
| US7344305B2 (en) * | 2006-08-01 | 2008-03-18 | Siemens Medical Solutions Usa, Inc. | Remote visual feedback of collimated area and snapshot of exposed patient area |
| US8406518B2 (en) * | 2009-01-20 | 2013-03-26 | Pixar | Smoothed local histogram filters for computer graphics |
| JP5489577B2 (ja) * | 2009-07-31 | 2014-05-14 | キヤノン株式会社 | 放射線撮像システム及びその制御方法、メイン制御ユニット及びその制御方法、並びに、プログラム |
| BR112012016558A2 (pt) | 2010-01-05 | 2016-04-26 | Beaumont Hospital William | terapia de arco de intensidade modulada com rotação/deslocamento de cama de exame e formação de imagem de feixe de cone simultânea |
| WO2012093440A1 (ja) | 2011-01-07 | 2012-07-12 | 株式会社 東芝 | X線ct装置 |
| JP5828649B2 (ja) * | 2011-03-09 | 2015-12-09 | キヤノン株式会社 | 画像処理装置、画像処理方法、及びコンピュータプログラム |
| WO2014083459A1 (en) | 2012-11-29 | 2014-06-05 | Controlrad Systems Inc. | X-ray reduction system |
| CN103192617B (zh) * | 2013-04-03 | 2017-05-10 | 青岛大学附属医院 | 加深x光影像背景的方法、x光影像打印系统与打印方法 |
| KR102201407B1 (ko) * | 2013-11-18 | 2021-01-12 | 삼성전자주식회사 | 엑스선 영상장치 및 그 제어방법 |
| KR102393294B1 (ko) * | 2014-09-26 | 2022-05-03 | 삼성전자주식회사 | 의료 영상 장치 및 의료 영상 장치의 제어 방법 |
| JP6751083B2 (ja) | 2014-10-13 | 2020-09-02 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | X線コリメーションにより制御される検出器回転 |
| JP6640470B2 (ja) * | 2015-05-14 | 2020-02-05 | 株式会社日立製作所 | 放射線治療システム |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489426A (en) | 1981-12-23 | 1984-12-18 | General Electric Company | Collimator with adjustable aperture |
| US5164993A (en) * | 1991-11-25 | 1992-11-17 | Eastman Kodak Company | Method and apparatus for automatic tonescale generation in digital radiographic images |
| US5436829A (en) | 1992-11-05 | 1995-07-25 | General Electric Company | Method of achieving reduced dose X-ray fluoroscopy by employing transform-based estimation of Poisson noise |
| JPH07250827A (ja) * | 1994-03-11 | 1995-10-03 | Hitachi Medical Corp | X線画像診断装置 |
| US5574764A (en) | 1995-06-06 | 1996-11-12 | General Electric Company | Digital brightness detector |
| US5901240A (en) * | 1996-12-12 | 1999-05-04 | Eastman Kodak Company | Method for detecting the collimation field in a digital radiography |
| JP3670439B2 (ja) * | 1997-05-09 | 2005-07-13 | 株式会社日立メディコ | X線装置 |
| JP4383558B2 (ja) * | 1998-07-21 | 2009-12-16 | 東芝医用システムエンジニアリング株式会社 | X線診断装置及び放射線診断装置 |
| US6175614B1 (en) * | 1999-05-07 | 2001-01-16 | Oec Medical Systems, Inc. | Method and apparatus for automatic sizing and positioning of ABS sampling window in an x-ray imaging system |
-
2001
- 2001-11-21 US US09/991,050 patent/US6614877B2/en not_active Expired - Lifetime
-
2002
- 2002-11-21 JP JP2002337729A patent/JP2003180667A/ja active Pending
- 2002-11-21 EP EP02258040A patent/EP1321899B1/en not_active Expired - Lifetime
- 2002-11-21 KR KR1020020072803A patent/KR20030041851A/ko not_active Withdrawn
- 2002-11-21 CN CN02150585A patent/CN1419891A/zh active Pending
- 2002-11-21 DE DE60231078T patent/DE60231078D1/de not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100923624B1 (ko) * | 2008-01-21 | 2009-10-23 | 고려공업검사 주식회사 | Cmos 센서를 이용한 방사선 투과 영상장치 |
| WO2012108655A3 (en) * | 2011-02-09 | 2012-10-26 | Samsung Electronics Co., Ltd. | X-ray generating apparatus and x-ray imaging system having the same |
| KR101239765B1 (ko) * | 2011-02-09 | 2013-03-06 | 삼성전자주식회사 | 엑스레이 발생장치 및 이를 포함하는 엑스레이 촬영 시스템 |
| US8861686B2 (en) | 2011-02-09 | 2014-10-14 | Samsung Electronics Co., Ltd. | X-ray generating apparatus and X-ray imaging system having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| US20030095627A1 (en) | 2003-05-22 |
| JP2003180667A (ja) | 2003-07-02 |
| CN1419891A (zh) | 2003-05-28 |
| DE60231078D1 (de) | 2009-03-19 |
| US6614877B2 (en) | 2003-09-02 |
| EP1321899A3 (en) | 2006-07-26 |
| EP1321899B1 (en) | 2009-02-04 |
| EP1321899A2 (en) | 2003-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20030041851A (ko) | X선 시스템 및 x선 영상의 대비 강화 방법 | |
| US6370224B1 (en) | System and methods for the reduction and elimination of image artifacts in the calibration of x-ray imagers | |
| US6768784B1 (en) | X-ray image enhancement | |
| US6038281A (en) | Bone densitometer with improved point characterization | |
| Sprawls | AAPM tutorial. CT image detail and noise. | |
| KR100949225B1 (ko) | x-선 시스템 및 자동 대비 제어 유닛 및 진단 영상 대비강화 방법 | |
| US5978443A (en) | Automated removal of background regions from radiographic images | |
| EP0244111B1 (en) | Imaging systems | |
| US7869637B2 (en) | Histogram calculation for auto-windowing of collimated X-ray image | |
| US6819734B2 (en) | Method for removing rings and partial rings in computed tomography images | |
| JP2001212121A (ja) | X線検査装置 | |
| US7822255B2 (en) | Method and apparatus for generation of an x-ray image | |
| EP1253557A1 (en) | Apparatus for and method of generating an enhanced contrast information digital image | |
| US11707246B2 (en) | Method and apparatus for automatic determination of object and background region of interest for real-time automatic dose rate control in dynamic imaging systems | |
| EP2878268B1 (en) | Method and apparatus time adjusting technical exposure factors during a radiographic acquisition | |
| EP1557791A1 (en) | Image processing method, and apparatus | |
| US6445771B1 (en) | X-ray device incorporating detection of shutter edges | |
| JPWO2007108346A1 (ja) | 放射線画像処理方法、放射線画像処理装置及び放射線画像撮影システム | |
| Stieve et al. | Relationship between medical requirements and technical parameters of good imaging performance and acceptable dose | |
| JP4692245B2 (ja) | アスベスト用位相コントラストx線撮影システム及びアスベスト用位相コントラストx線撮影方法 | |
| WO2011003390A1 (de) | Röntgenmarker zum visuellen vergleich und zur steuerung der bildbearbeitung bei digitalen röntgenaufnahmen, insbesondere bei einer thorax-röntgenaufnahme bei liegendem patienten | |
| JPH078474A (ja) | 医療診断用シェーディング補正装置 | |
| JP2007143847A (ja) | X線画像システム |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20021121 |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |