JP4408664B2 - コーンビームx線ct装置及びそれに用いるファントム - Google Patents
コーンビームx線ct装置及びそれに用いるファントム Download PDFInfo
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- JP4408664B2 JP4408664B2 JP2003289681A JP2003289681A JP4408664B2 JP 4408664 B2 JP4408664 B2 JP 4408664B2 JP 2003289681 A JP2003289681 A JP 2003289681A JP 2003289681 A JP2003289681 A JP 2003289681A JP 4408664 B2 JP4408664 B2 JP 4408664B2
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- 238000004364 calculation method Methods 0.000 claims description 62
- 238000012937 correction Methods 0.000 claims description 39
- 230000005855 radiation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 42
- 238000012545 processing Methods 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 238000007781 pre-processing Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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- 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
- A61B6/584—Calibration using calibration phantoms determining position of components of the apparatus or device using images of the phantom
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (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)
- Apparatus For Radiation Diagnosis (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003289681A JP4408664B2 (ja) | 2003-08-08 | 2003-08-08 | コーンビームx線ct装置及びそれに用いるファントム |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003289681A JP4408664B2 (ja) | 2003-08-08 | 2003-08-08 | コーンビームx線ct装置及びそれに用いるファントム |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005058309A JP2005058309A (ja) | 2005-03-10 |
| JP2005058309A5 JP2005058309A5 (enExample) | 2006-08-17 |
| JP4408664B2 true JP4408664B2 (ja) | 2010-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003289681A Expired - Fee Related JP4408664B2 (ja) | 2003-08-08 | 2003-08-08 | コーンビームx線ct装置及びそれに用いるファントム |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4408664B2 (enExample) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370430A (zh) * | 2006-01-24 | 2009-02-18 | 株式会社岛津制作所 | X射线摄像装置 |
| JP4891623B2 (ja) * | 2006-02-02 | 2012-03-07 | 株式会社東芝 | X線ct装置 |
| WO2008038283A2 (en) * | 2006-09-25 | 2008-04-03 | Mazor Surgical Technologies Ltd. | C-arm computerized tomography system |
| JP5022820B2 (ja) * | 2007-08-13 | 2012-09-12 | 日立Geニュークリア・エナジー株式会社 | 放射線検査装置及びそれを用いた配管検査方法 |
| JP5011085B2 (ja) * | 2007-12-19 | 2012-08-29 | 日立Geニュークリア・エナジー株式会社 | 検査装置,検査装置のアライメント方法及び校正用ファントムの製作方法 |
| TR201007504T1 (tr) * | 2008-04-14 | 2010-12-21 | Shimadzu Corporation | X-ışını teşhis cihazı. |
| JP5210726B2 (ja) * | 2008-06-24 | 2013-06-12 | 株式会社東芝 | X線ct装置 |
| US8249213B2 (en) * | 2008-08-13 | 2012-08-21 | Koninklijke Philips Electronics N.V. | Calibration method for ring artifact correction in non-ideal isocentric 3D rotational X-ray scanner systems using a calibration phantom based rotation center finding algorithm |
| JP5415885B2 (ja) * | 2009-09-30 | 2014-02-12 | 富士フイルム株式会社 | 放射線ct装置および画像処理装置 |
| KR101141045B1 (ko) * | 2010-03-16 | 2012-05-15 | 한국전기연구원 | X-선 유방암진단 장치의 좌표측정 시스템 및 그 방법 |
| JP5537226B2 (ja) * | 2010-03-31 | 2014-07-02 | 株式会社日立メディコ | 放射線撮像装置 |
| KR101214377B1 (ko) | 2011-09-23 | 2012-12-21 | 한국전기연구원 | 교정 팬텀을 이용한 엑스선 초점 위치 교정 방법 |
| CN103519833B (zh) * | 2013-06-05 | 2015-10-07 | 东南大学 | 一种旋转c型臂x射线机的三维校正重建方法 |
| JP6179394B2 (ja) * | 2013-12-27 | 2017-08-16 | 株式会社島津製作所 | 放射線撮影装置 |
| CN106821405B (zh) * | 2017-01-23 | 2019-12-06 | 深圳先进技术研究院 | 一种x光机的参数标定方法、装置及系统 |
| WO2020193598A1 (en) * | 2019-03-25 | 2020-10-01 | Koninklijke Philips N.V. | X-ray ring markers for x-ray calibration |
| JP7330033B2 (ja) * | 2019-09-20 | 2023-08-21 | 株式会社ミツトヨ | 計測用x線ct装置の校正方法、測定方法、及び、計測用x線ct装置 |
| CN113749681A (zh) * | 2021-11-10 | 2021-12-07 | 极限人工智能(北京)有限公司 | 评估cbct机图像精度的工装 |
| US12453520B2 (en) * | 2023-05-08 | 2025-10-28 | GE Precision Healthcare LLC | Systems and methods for CT detector calibration using a wire phantom |
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2003
- 2003-08-08 JP JP2003289681A patent/JP4408664B2/ja not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| JP2005058309A (ja) | 2005-03-10 |
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