JP2009540966A5 - - Google Patents

Download PDF

Info

Publication number
JP2009540966A5
JP2009540966A5 JP2009516750A JP2009516750A JP2009540966A5 JP 2009540966 A5 JP2009540966 A5 JP 2009540966A5 JP 2009516750 A JP2009516750 A JP 2009516750A JP 2009516750 A JP2009516750 A JP 2009516750A JP 2009540966 A5 JP2009540966 A5 JP 2009540966A5
Authority
JP
Japan
Prior art keywords
estimate
image
virtual
adjusting
generating
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
Application number
JP2009516750A
Other languages
English (en)
Japanese (ja)
Other versions
JP5198443B2 (ja
JP2009540966A (ja
Filing date
Publication date
Priority claimed from US11/472,572 external-priority patent/US7583780B2/en
Application filed filed Critical
Publication of JP2009540966A publication Critical patent/JP2009540966A/ja
Publication of JP2009540966A5 publication Critical patent/JP2009540966A5/ja
Application granted granted Critical
Publication of JP5198443B2 publication Critical patent/JP5198443B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2009516750A 2006-06-22 2007-06-22 画像の分解能を高めるシステム及び方法 Active JP5198443B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/472,572 US7583780B2 (en) 2006-06-22 2006-06-22 Systems and methods for improving a resolution of an image
US11/472,572 2006-06-22
PCT/US2007/071917 WO2007150037A2 (en) 2006-06-22 2007-06-22 Systems and methods for improving a resolution of an image

Publications (3)

Publication Number Publication Date
JP2009540966A JP2009540966A (ja) 2009-11-26
JP2009540966A5 true JP2009540966A5 (enExample) 2010-08-05
JP5198443B2 JP5198443B2 (ja) 2013-05-15

Family

ID=38834424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009516750A Active JP5198443B2 (ja) 2006-06-22 2007-06-22 画像の分解能を高めるシステム及び方法

Country Status (5)

Country Link
US (1) US7583780B2 (enExample)
JP (1) JP5198443B2 (enExample)
CN (2) CN101478919B (enExample)
DE (1) DE112007001451B4 (enExample)
WO (1) WO2007150037A2 (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009097580A2 (en) * 2008-01-30 2009-08-06 The Regents Of The University Of California Dose reduction and image enhancement in tomography through the utilization of the object's surroundings as dynamic constraints
US7949172B2 (en) * 2007-04-27 2011-05-24 Siemens Medical Solutions Usa, Inc. Iterative image processing
US8233682B2 (en) * 2007-06-05 2012-07-31 General Electric Company Methods and systems for improving spatial and temporal resolution of computed images of moving objects
EP2288938B1 (en) * 2008-06-06 2015-11-25 Koninklijke Philips N.V. Method and apparatus for attenuation correction
JP5537132B2 (ja) * 2008-12-11 2014-07-02 株式会社東芝 Ｘ線コンピュータ断層撮影装置、医用画像処理装置、及び医用画像処理プログラム
JP6144912B2 (ja) * 2009-07-14 2017-06-07 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． シフトバリアントぼけ補償を含む画像再構成
US8655033B2 (en) * 2009-10-28 2014-02-18 General Electric Company Iterative reconstruction
JP5681924B2 (ja) 2009-11-27 2015-03-11 ジーイー センシング アンド インスペクション テクノロジーズ ゲ−エムベーハー サンプルの立体表現を決定するためのコンピュータ断層撮影法、コンピュータソフトウェア、計算装置およびコンピュータ断層撮影システム
US8731266B2 (en) * 2009-12-17 2014-05-20 General Electric Company Method and system for correcting artifacts in image reconstruction
WO2011139745A2 (en) * 2010-04-27 2011-11-10 Chunlei Liu Systems and methods for susceptibility tensor imaging
EP2591431B1 (en) * 2010-07-09 2020-01-01 GE Sensing & Inspection Technologies GmbH Computed tomography method, computer program, computing device and computed tomography system
DE102010041191B4 (de) * 2010-09-22 2016-02-18 Siemens Aktiengesellschaft Erstellung von MR-Bilddaten mit paralleler Schichtanregung und teilweiser Überlappung der Schichten im Frequenzbereich
US9123098B2 (en) * 2011-04-28 2015-09-01 Hitachi Medical Corporation Medical image processing device and medical image processing method, applying weighted penalty term in iterative approximation
US8483471B2 (en) * 2011-06-30 2013-07-09 General Electric Company Method and system for scatter correction in X-ray imaging
EP2727083B1 (en) * 2011-06-30 2017-08-09 Analogic Corporation Iterative image reconstruction
CN103619259B (zh) * 2011-07-08 2015-12-09 株式会社日立医疗器械 图像重构装置及图像重构方法
US8837797B2 (en) * 2012-01-10 2014-09-16 Kabushiki Kaisha Toshiba Spatial resolution improvement in computer tomography (CT) using iterative reconstruction
US8861827B2 (en) 2012-02-28 2014-10-14 General Electric Company System and method for determining confidence measurements of single volume elements in computer tomography
DE102012217940A1 (de) * 2012-10-01 2014-04-03 Siemens Aktiengesellschaft Rekonstruktion von Bilddaten
US10679104B2 (en) * 2012-10-26 2020-06-09 Varian Medical Systems, Inc. Forward projection cylinder volume method
DE102012222149B4 (de) 2012-12-04 2014-09-18 Siemens Aktiengesellschaft Verfahren zur Erzeugung von Magnetresonanzmessdaten
KR102060659B1 (ko) * 2013-03-20 2019-12-30 삼성전자주식회사 영상 처리를 위한 투사 및 역투사 방법 및 그 영상 처리 장치
WO2014192775A1 (ja) * 2013-05-27 2014-12-04 株式会社東芝 Ｘ線ｃｔ装置及び画像診断装置
DE102014212943B4 (de) 2014-07-03 2016-11-24 Siemens Healthcare Gmbh Magnetresonanz-Bildgebung unter Berücksichtigung von unterschiedlichen Frequenzkodiermustern
CN107810519B (zh) * 2015-06-30 2022-01-25 皇家飞利浦有限公司 用于配准图像的配准装置和方法
DE102015224176A1 (de) * 2015-12-03 2017-06-08 Siemens Healthcare Gmbh Tomografieanlage und Verfahren zum Erzeugen einer Abfolge von Volumenbildern eines Gefäßsystems
US10115211B2 (en) * 2016-03-25 2018-10-30 L3 Security & Detection Systems, Inc. Systems and methods for reconstructing projection images from computed tomography volumes
CN108352077B (zh) * 2016-03-31 2022-03-01 上海联影医疗科技股份有限公司 图像重建的系统和方法
US10055860B2 (en) * 2016-05-27 2018-08-21 Toshiba Medical Systems Corporation Computed tomography apparatus and empirical pre-weighting method for decreasing image noise nonuniformity
CN107495976B (zh) * 2016-06-14 2021-01-01 上海联影医疗科技股份有限公司 图像重建中的最大值和灰度值图像的获取方法及装置
CN106934856B (zh) * 2017-03-20 2020-04-21 广东电网有限责任公司电力科学研究院 基于x射线检测技术的三维断层重建及切片显示方法
CN108064396B (zh) * 2017-05-27 2021-04-30 上海联影医疗科技股份有限公司 一种在图像引导放射治疗中补偿诊察台下沉的系统和方法
CN107492131B (zh) * 2017-07-01 2020-06-12 武汉斗鱼网络科技有限公司 用于安卓电视的倒影生成方法、存储介质、设备及系统
US10482634B2 (en) * 2017-10-24 2019-11-19 General Electric Company Systems and methods for imaging with anisotropic voxels
US12100174B2 (en) * 2021-07-26 2024-09-24 GE Precision Healthcare LLC Methods and system for dynamically annotating medical images
CN113450287B (zh) * 2021-07-27 2024-07-26 北京与光科技有限公司 高分辨率光谱恢复方法、装置和电子设备
CN115631232B (zh) * 2022-11-02 2023-07-25 佛山读图科技有限公司 一种确定双探头探测器径向位置方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404293A (en) * 1991-06-11 1995-04-04 The University Of Utah Cone beam reconstruction using helical data collection paths
US5907594A (en) * 1997-07-01 1999-05-25 Analogic Corporation Reconstruction of volumetric images by successive approximation in cone-beam computed tomography systems
US5909476A (en) * 1997-09-22 1999-06-01 University Of Iowa Research Foundation Iterative process for reconstructing cone-beam tomographic images
US6266388B1 (en) * 1999-09-07 2001-07-24 General Electric Company Methods and apparatus for two-pass cone beam image reconstruction
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
US20060052821A1 (en) * 2001-09-06 2006-03-09 Ovalis, Inc. Systems and methods for treating septal defects
US6702835B2 (en) * 2001-09-07 2004-03-09 Core Medical, Inc. Needle apparatus for closing septal defects and methods for using such apparatus
US6776784B2 (en) * 2001-09-06 2004-08-17 Core Medical, Inc. Clip apparatus for closing septal defects and methods of use
US6768782B1 (en) * 2002-12-16 2004-07-27 University Of Notre Dame Du Lac Iterative method for region-of-interest reconstruction
US6907102B1 (en) * 2002-12-16 2005-06-14 Ken Sauer Iterative reconstruction methods for multi-slice computed tomography

Similar Documents

Publication Publication Date Title
JP2009540966A5 (enExample)
EP2310840B1 (en) High efficiency computed tomography
US20190313993A1 (en) Method and apparatus for computed tomography (ct) and material decomposition with pile-up correction calibrated using a real pulse pileup effect and detector response
US20130343624A1 (en) Methods and systems for performing model-based iterative reconstruction
US20110268334A1 (en) Apparatus for Improving Image Resolution and Apparatus for Super-Resolution Photography Using Wobble Motion and Point Spread Function (PSF), in Positron Emission Tomography
CN110651302B (zh) 用于图像重建的方法和设备
JP2016522071A5 (enExample)
JP7475972B2 (ja) 装置、ｘ線ｃｔ装置、方法及びプログラム
CN103052972A (zh) 用于迭代图像重建的方法和系统
CN113167913B (zh) 针对常规成像的光子计数的能量加权
Lee et al. Estimation of basis line-integrals in a spectral distortion-modeled photon counting detector using low-order polynomial approximation of x-ray transmittance
US20210104079A1 (en) Pet image reconstruction using tof data and neural network
KR101272251B1 (ko) 컴프턴 카메라 및 그의 해상도 복원용 영상 재구성 방법
KR101268246B1 (ko) 양전자 단층 촬영 영상에서 워블 동작과 ｐｓｆ을 이용한 초해상도 촬영 장치 및 방법
EP3920144A1 (en) Methods and systems for multi-material decomposition
HUE035491T2 (en) Transmission Image Reconstruction and Imaging Using Poisson Detector Data
Van Slambrouck et al. Reconstruction scheme for accelerated maximum likelihood reconstruction: The patchwork structure
US7675038B2 (en) Truncation compensation in transmission reconstructions for a small FOV cardiac gamma camera
CN101278318B (zh) 使用替代图像进行pet图像重建的方法和系统
KR101207710B1 (ko) 양전자 단층촬영에서 영상의 해상도를 향상시키는 해상도 향상 장치 및 방법
Rahmim et al. System matrix modelling of externally tracked motion
JP2016198504A (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
Srivastava et al. Spectral response compensation for photon-counting clinical x-ray CT using sinogram restoration
CN107274459B (zh) 一种用于加快锥形束ct图像迭代重建的预条件方法
CN110858407A (zh) 光子计数光谱计算机断层扫描的优化能量仓参数集的提供