JP2013513452A5 - - Google Patents
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- JP2013513452A5 JP2013513452A5 JP2012543952A JP2012543952A JP2013513452A5 JP 2013513452 A5 JP2013513452 A5 JP 2013513452A5 JP 2012543952 A JP2012543952 A JP 2012543952A JP 2012543952 A JP2012543952 A JP 2012543952A JP 2013513452 A5 JP2013513452 A5 JP 2013513452A5
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- Prior art keywords
- radiation
- weight
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- 230000005855 radiation Effects 0.000 claims description 211
- 238000001514 detection method Methods 0.000 claims description 171
- 238000003384 imaging method Methods 0.000 claims description 90
- 238000002591 computed tomography Methods 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 30
- 238000012935 Averaging Methods 0.000 claims description 12
- 238000004590 computer program Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- UNPLRYRWJLTVAE-UHFFFAOYSA-N Cloperastine hydrochloride Chemical compound Cl.C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)OCCN1CCCCC1 UNPLRYRWJLTVAE-UHFFFAOYSA-N 0.000 claims 1
- 210000000056 organ Anatomy 0.000 description 9
- 230000001419 dependent effect Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000007476 Maximum Likelihood Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000009206 nuclear medicine Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09179186.3 | 2009-12-15 | ||
| EP09179186A EP2335593A1 (en) | 2009-12-15 | 2009-12-15 | Computed tomography apparatus |
| PCT/IB2010/055712 WO2011073863A1 (en) | 2009-12-15 | 2010-12-10 | Computed tomography apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013513452A JP2013513452A (ja) | 2013-04-22 |
| JP2013513452A5 true JP2013513452A5 (enExample) | 2014-12-11 |
| JP5727508B2 JP5727508B2 (ja) | 2015-06-03 |
Family
ID=42129613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012543952A Expired - Fee Related JP5727508B2 (ja) | 2009-12-15 | 2010-12-10 | コンピュータ断層撮影装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8861674B2 (enExample) |
| EP (2) | EP2335593A1 (enExample) |
| JP (1) | JP5727508B2 (enExample) |
| CN (1) | CN102655810B (enExample) |
| BR (1) | BR112012014172A2 (enExample) |
| WO (1) | WO2011073863A1 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8571291B2 (en) * | 2011-10-19 | 2013-10-29 | Kabushiki Kaisha Toshiba | Combination weight applied to iterative reconstruction in image reconstruction |
| US8903152B2 (en) * | 2012-06-29 | 2014-12-02 | General Electric Company | Methods and systems for enhanced tomographic imaging |
| TWI494897B (zh) * | 2012-11-20 | 2015-08-01 | Iner Aec Executive Yuan | 一種三維射束覓跡的投影方法 |
| FI124596B (fi) * | 2012-11-23 | 2014-10-31 | Planmed Oy | Lääketieteellinen tietokonetomografiakuvauslaitteisto |
| CN104768468B (zh) * | 2012-11-30 | 2018-01-05 | 株式会社日立制作所 | X射线ct装置以及其断层图像拍摄方法 |
| US10282820B2 (en) * | 2013-02-21 | 2019-05-07 | Koninklijke Philips N.V. | Structure propagation restoration for spectral CT |
| CN105873519B (zh) * | 2014-01-20 | 2018-10-16 | 株式会社日立制作所 | X射线ct装置、图像处理装置及图像重构方法 |
| JP6766045B2 (ja) * | 2014-11-20 | 2020-10-07 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | トモシンセシスデータから合成マンモグラムを生成する方法 |
| EP3320519A1 (en) * | 2015-06-30 | 2018-05-16 | Koninklijke Philips N.V. | Device and method for processing computer tomography imaging data |
| WO2018115025A1 (en) * | 2016-12-21 | 2018-06-28 | Koninklijke Philips N.V. | Redundancy weighting for short scan off-center detector x-ray tomography |
| WO2019033390A1 (en) * | 2017-08-18 | 2019-02-21 | Shenzhen United Imaging Healthcare Co., Ltd. | System and method for reconstructing images |
| US12406410B2 (en) * | 2017-08-18 | 2025-09-02 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for reconstructing an image |
| CN107928694B (zh) * | 2017-12-05 | 2020-11-03 | 上海联影医疗科技有限公司 | Ct剂量调制方法、装置、ct扫描方法及ct系统 |
| CN109523605A (zh) * | 2018-11-29 | 2019-03-26 | 上海联影医疗科技有限公司 | 一种ct图像重建的方法、装置、设备及介质 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5625662A (en) | 1995-11-20 | 1997-04-29 | General Electric Company | Modulating x-ray tube current in a CT system |
| US5696807A (en) * | 1996-09-05 | 1997-12-09 | General Electric Company | Methods and apparatus for modulating x-ray tube current |
| JP2003339693A (ja) * | 2002-05-27 | 2003-12-02 | Shimadzu Corp | Ｘ線ｃｔ再構成方法及びこれを用いたｘ線ｃｔ装置 |
| US6775346B2 (en) * | 2002-10-21 | 2004-08-10 | Koninklijke Philips Electronics N.V. | Conebeam computed tomography imaging |
| JP4509493B2 (ja) * | 2003-04-25 | 2010-07-21 | 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 | Ｘ線ｃｔ画像撮影方法およびｘ線ｃｔ装置 |
| US7068750B2 (en) * | 2003-10-27 | 2006-06-27 | General Electric Company | System and method of x-ray flux management control |
| WO2005099577A1 (en) | 2004-04-13 | 2005-10-27 | Koninklijke Philips Electronics, N.V. | Dynamic dose control for computed tomography |
| CN100536777C (zh) * | 2004-04-13 | 2009-09-09 | 皇家飞利浦电子股份有限公司 | 用于计算机断层摄影的动态剂量控制 |
| US7532702B2 (en) | 2005-11-23 | 2009-05-12 | General Electric Company | Method and system for performing CT image reconstruction with motion artifact correction |
| US20070147579A1 (en) * | 2005-12-23 | 2007-06-28 | De Man Bruno K B | Method and system for radiographic imaging with organ-based radiation profile prescription |
| JP5523726B2 (ja) * | 2008-04-04 | 2014-06-18 | 株式会社東芝 | Ｘ線ｃｔ装置 |
-
2009
- 2009-12-15 EP EP09179186A patent/EP2335593A1/en not_active Withdrawn
-
2010
- 2010-12-10 BR BR112012014172A patent/BR112012014172A2/pt not_active IP Right Cessation
- 2010-12-10 WO PCT/IB2010/055712 patent/WO2011073863A1/en not_active Ceased
- 2010-12-10 EP EP10807671.2A patent/EP2512345B1/en active Active
- 2010-12-10 JP JP2012543952A patent/JP5727508B2/ja not_active Expired - Fee Related
- 2010-12-10 US US13/509,840 patent/US8861674B2/en active Active
- 2010-12-10 CN CN201080057105.0A patent/CN102655810B/zh active Active
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