JP2013542018A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2013542018A5 JP2013542018A5 JP2013535544A JP2013535544A JP2013542018A5 JP 2013542018 A5 JP2013542018 A5 JP 2013542018A5 JP 2013535544 A JP2013535544 A JP 2013535544A JP 2013535544 A JP2013535544 A JP 2013535544A JP 2013542018 A5 JP2013542018 A5 JP 2013542018A5
- Authority
- JP
- Japan
- Prior art keywords
- projection
- estimated
- detected
- photons
- projection data
- 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.)
- Granted
Links
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40704010P | 2010-10-27 | 2010-10-27 | |
| US61/407,040 | 2010-10-27 | ||
| PCT/IB2011/054588 WO2012056364A1 (en) | 2010-10-27 | 2011-10-17 | Low dose ct denoising |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013542018A JP2013542018A (ja) | 2013-11-21 |
| JP2013542018A5 true JP2013542018A5 (enExample) | 2014-11-13 |
| JP5937093B2 JP5937093B2 (ja) | 2016-06-22 |
Family
ID=44993631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013535544A Active JP5937093B2 (ja) | 2010-10-27 | 2011-10-17 | 低線量ｃｔノイズを除去するためのシステム及び方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US9031299B2 (enExample) |
| EP (1) | EP2633494B1 (enExample) |
| JP (1) | JP5937093B2 (enExample) |
| CN (1) | CN103180875B (enExample) |
| BR (1) | BR112013009965A8 (enExample) |
| MX (1) | MX2013004540A (enExample) |
| RU (1) | RU2586968C2 (enExample) |
| WO (1) | WO2012056364A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8538114B2 (en) * | 2011-06-06 | 2013-09-17 | Kabushiki Kaisha Toshiba | Method and system utilizing parameter-less filter for substantially reducing streak and or noise in computer tomography (CT) images |
| WO2013007272A1 (en) * | 2011-07-13 | 2013-01-17 | Rayvis Gmbh | Transmission image reconstruction and imaging using poissonian detector data |
| WO2013076613A1 (en) | 2011-11-23 | 2013-05-30 | Koninklijke Philips Electronics N.V. | Image domain de-noising |
| CN104025156B (zh) | 2011-12-13 | 2017-05-24 | 皇家飞利浦有限公司 | 用于基于利用正则化的迭代重建算法和/或去噪算法来处理图像的处理部件和方法 |
| US9105124B2 (en) * | 2012-06-21 | 2015-08-11 | General Electric Company | Methods and systems for reducing noise- related imaging artifacts |
| WO2014080311A1 (en) * | 2012-11-26 | 2014-05-30 | Koninklijke Philips N.V. | Projection data de-noising |
| KR101891833B1 (ko) * | 2012-12-31 | 2018-08-24 | 부산가톨릭대학교 산학협력단 | 전변분에 기초한 노이즈 제거 알고리즘을 이용한 유방 x선 조영장치에서의 선량 감소 방법 |
| CN103226815A (zh) * | 2013-04-10 | 2013-07-31 | 东南大学 | 一种低剂量ct图像滤波方法 |
| JP6214226B2 (ja) * | 2013-06-06 | 2017-10-18 | キヤノン株式会社 | 画像処理装置、断層撮影装置、画像処理方法およびプログラム |
| CN104644203B (zh) * | 2014-09-02 | 2018-01-23 | 沈阳东软医疗系统有限公司 | 一种剂量调制扫描方法和装置 |
| KR101904493B1 (ko) * | 2016-11-22 | 2018-10-17 | 동서대학교산학협력단 | 저선량 촬영한 동적 3차원 의료영상을 시공간 특징 기반으로 개선하는 방법 |
| WO2018114964A1 (en) * | 2016-12-19 | 2018-06-28 | Koninklijke Philips N.V. | Detection and/or correction of residual iodine artifacts in spectral computed tomography (ct) imaging |
| WO2019134879A1 (en) * | 2018-01-03 | 2019-07-11 | Koninklijke Philips N.V. | Full dose pet image estimation from low-dose pet imaging using deep learning |
| CN108961237B (zh) * | 2018-06-28 | 2020-08-21 | 安徽工程大学 | 一种基于卷积神经网络的低剂量ct图像分解方法 |
| US11861765B2 (en) | 2018-07-09 | 2024-01-02 | Koninklijke Philips N.V. | Imaging system detector clipping-induced bias correction |
| US11054534B1 (en) | 2020-04-24 | 2021-07-06 | Ronald Nutt | Time-resolved positron emission tomography encoder system for producing real-time, high resolution, three dimensional positron emission tomographic image without the necessity of performing image reconstruction |
| US11300695B2 (en) | 2020-04-24 | 2022-04-12 | Ronald Nutt | Time-resolved positron emission tomography encoder system for producing event-by-event, real-time, high resolution, three-dimensional positron emission tomographic image without the necessity of performing image reconstruction |
| RU2744552C1 (ru) * | 2020-08-06 | 2021-03-11 | Государственное бюджетное учреждение здравоохранения города Москвы "Научно-практический клинический центр диагностики и телемедицинских технологий Департамента здравоохранения города Москвы" (ГБУЗ "НПКД ДиТ ДЗМ") | Способ исследования состояния легких при подозрении на COVID-19 с помощью низкодозной компьютерной томографии |
| RU2753474C1 (ru) * | 2020-12-07 | 2021-08-17 | Государственное бюджетное учреждение здравоохранения города Москвы "Научно-практический клинический центр диагностики и телемедицинских технологий Департамента здравоохранения города Москвы" (ГБУЗ "НПКЦ ДиТ ДЗМ") | Способ низкодозного сканирования органов грудной клетки, адаптированный к массе тела пациента |
| CN112656438B (zh) * | 2020-12-17 | 2023-02-21 | 中山大学 | 一种基于曲面全变差的低剂量ct投影域去噪及重建方法 |
| CN114793291B (zh) * | 2022-01-25 | 2023-11-07 | 深圳软牛科技有限公司 | Ios多设备实时投屏方法、系统、计算机设备及存储介质 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991093A (en) * | 1985-08-21 | 1991-02-05 | Exxon Research And Engineering Company | Method for producing tomographic images using direct Fourier inversion |
| US5053615A (en) * | 1990-04-06 | 1991-10-01 | Samsung Electronics Co., Ltd. | Correction algorithm for contiguous CCD elements leakage |
| US6016333A (en) * | 1998-05-15 | 2000-01-18 | International Business Machines Corporation | System and method for improving the quality of images produced by CT scanners operating on low power |
| US6490476B1 (en) * | 1999-10-14 | 2002-12-03 | Cti Pet Systems, Inc. | Combined PET and X-ray CT tomograph and method for using same |
| US6507633B1 (en) * | 2001-02-15 | 2003-01-14 | The Regents Of The University Of Michigan | Method for statistically reconstructing a polyenergetic X-ray computed tomography image and image reconstructor apparatus utilizing the method |
| US7187794B2 (en) * | 2001-10-18 | 2007-03-06 | Research Foundation Of State University Of New York | Noise treatment of low-dose computed tomography projections and images |
| US6493416B1 (en) * | 2001-11-21 | 2002-12-10 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for noise reduction in computed tomographic systems |
| US7206440B2 (en) * | 2002-02-14 | 2007-04-17 | Carnegie Mellon University | Image smoothing with decoupled regularization |
| IL151634A0 (en) * | 2002-09-05 | 2003-04-10 | Real Time Radiography Ltd | Direct detection of high energy single photons |
| US6950493B2 (en) * | 2003-06-25 | 2005-09-27 | Besson Guy M | Dynamic multi-spectral CT imaging |
| US7317841B2 (en) * | 2003-12-22 | 2008-01-08 | Ge Medical Systems Global Technology Company, Llc | System and method for image noise reduction using a minimal error spatiotemporal recursive filter |
| US7558362B2 (en) * | 2004-07-07 | 2009-07-07 | Koninklijke Philips Electronics N.V. | Streak artifact reduction in cardiac cone beam CT reconstruction |
| US7508968B2 (en) * | 2004-09-22 | 2009-03-24 | Siemens Medical Solutions Usa, Inc. | Image compounding based on independent noise constraint |
| US7362845B2 (en) * | 2005-04-25 | 2008-04-22 | University Of Rochester | Method and apparatus of global de-noising for cone beam and fan beam CT imaging |
| US7616841B2 (en) * | 2005-06-17 | 2009-11-10 | Ricoh Co., Ltd. | End-to-end design of electro-optic imaging systems |
| WO2007049168A2 (en) * | 2005-10-28 | 2007-05-03 | Koninklijke Philips Electronics, N.V. | Method and apparatus for spectral computed tomography |
| US7888651B2 (en) * | 2007-05-21 | 2011-02-15 | The Board Of Trustees Of The Leland Stanford Junior University | Method and system for using tissue-scattered coincidence photons for imaging |
| US8014616B2 (en) | 2007-11-02 | 2011-09-06 | Siemens Aktiengesellschaft | System and method for fixed point continuation for total variation based compressed sensing imaging |
| CA2729607A1 (en) * | 2008-07-23 | 2010-01-28 | Jianwei Miao | Incorporation of mathematical constraints in methods for dose reduction and image enhancement in tomography |
| JP2010078338A (ja) * | 2008-09-24 | 2010-04-08 | Toshiba Corp | Ｘ線検出器 |
| US8837666B2 (en) * | 2008-09-30 | 2014-09-16 | Hitachi Medical Corporation | X-ray CT apparatus |
| EP2380132B1 (en) * | 2008-12-25 | 2018-02-07 | Medic Vision - Imaging Solutions Ltd. | Denoising medical images |
| WO2010096701A1 (en) * | 2009-02-20 | 2010-08-26 | Mayo Foundation For Medical Education And Research | Projection-space denoising with bilateral filtering in computed tomography |
| US8031831B2 (en) * | 2009-05-28 | 2011-10-04 | Kabushiki Kaisha Toshiba | Voltage and or current modulation in dual energy computed tomography |
| EP2486546B1 (en) | 2009-10-06 | 2014-05-21 | Koninklijke Philips N.V. | Method for artifact reduction in cone-beam ct images |
| US8938110B2 (en) | 2009-10-22 | 2015-01-20 | Koninklijke Philips N.V. | Enhanced image data/dose reduction |
-
2011
- 2011-10-17 US US13/879,821 patent/US9031299B2/en active Active
- 2011-10-17 WO PCT/IB2011/054588 patent/WO2012056364A1/en not_active Ceased
- 2011-10-17 RU RU2013123937/14A patent/RU2586968C2/ru not_active IP Right Cessation
- 2011-10-17 BR BR112013009965A patent/BR112013009965A8/pt not_active IP Right Cessation
- 2011-10-17 MX MX2013004540A patent/MX2013004540A/es active IP Right Grant
- 2011-10-17 JP JP2013535544A patent/JP5937093B2/ja active Active
- 2011-10-17 CN CN201180051297.9A patent/CN103180875B/zh active Active
- 2011-10-17 EP EP11784781.4A patent/EP2633494B1/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2013542018A5 (enExample) | ||
| RU2013123937A (ru) | Уменьшение уровня шума в низкодозной компьютерной томографии | |
| Shrivakshan et al. | A comparison of various edge detection techniques used in image processing | |
| US8903150B2 (en) | Filtration imaging enhancement method and system | |
| CN103959329B (zh) | 图像域去噪 | |
| US20170139541A1 (en) | Performance monitoring and correction in a touch-sensitive apparatus | |
| JP2014509908A5 (enExample) | ||
| CN109584324B (zh) | 一种基于自动编码器网络的正电子发射型计算机断层显像(pet)重建方法 | |
| CN104240210A (zh) | 基于压缩感知的ct图像迭代重建方法 | |
| JP2017102245A5 (enExample) | ||
| JP6256608B2 (ja) | 画像再構成処理方法 | |
| JP6363197B2 (ja) | 画像データ処理 | |
| CN107810518B (zh) | 图像处理系统和方法 | |
| CN105493148A (zh) | 利用反相关滤波器的谱投影数据去噪 | |
| JP2016538945A5 (enExample) | ||
| Cui et al. | The adaptive sinogram restoration algorithm based on anisotropic diffusion by energy minimization for low-dose X-ray CT | |
| JP2014147753A5 (enExample) | ||
| Manhart et al. | Guided noise reduction for spectral CT with energy-selective photon counting detectors | |
| JP7187131B2 (ja) | 画像生成装置、ｘ線コンピュータ断層撮影装置及び画像生成方法 | |
| US20150078506A1 (en) | Practical Model Based CT Construction | |
| Rahmim et al. | System matrix modelling of externally tracked motion | |
| Valiollahzadeh et al. | Image recovery in PET scanners with partial detector rings using compressive sensing | |
| CN110853113B (zh) | 基于bpf的tof-pet图像重建算法及重建系统 | |
| Ashrafinia et al. | Towards continualized task-based resolution modeling in PET imaging | |
| JP2015072125A (ja) | 画像処理方法、画像再構成処理方法および断層画像撮影装置 |