JP2002330957A5 - - Google Patents

Download PDF

Info

Publication number
JP2002330957A5
JP2002330957A5 JP2001400490A JP2001400490A JP2002330957A5 JP 2002330957 A5 JP2002330957 A5 JP 2002330957A5 JP 2001400490 A JP2001400490 A JP 2001400490A JP 2001400490 A JP2001400490 A JP 2001400490A JP 2002330957 A5 JP2002330957 A5 JP 2002330957A5
Authority
JP
Japan
Prior art keywords
detector array
image
imaging system
slice
view
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Withdrawn
Application number
JP2001400490A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002330957A (ja
Filing date
Publication date
Priority claimed from US09/752,275 external-priority patent/US6418184B1/en
Application filed filed Critical
Publication of JP2002330957A publication Critical patent/JP2002330957A/ja
Publication of JP2002330957A5 publication Critical patent/JP2002330957A5/ja
Withdrawn legal-status Critical Current

Links

JP2001400490A 2000-12-29 2001-12-28 コンピュータ断層撮影画像のヘリカル行ビュー重み付け Withdrawn JP2002330957A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/752275 2000-12-29
US09/752,275 US6418184B1 (en) 2000-12-29 2000-12-29 Helical rowwise view weighting of computed tomographic images

Publications (2)

Publication Number Publication Date
JP2002330957A JP2002330957A (ja) 2002-11-19
JP2002330957A5 true JP2002330957A5 (US06418184-20020709-M00003.png) 2005-07-21

Family

ID=25025626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001400490A Withdrawn JP2002330957A (ja) 2000-12-29 2001-12-28 コンピュータ断層撮影画像のヘリカル行ビュー重み付け

Country Status (4)

Country Link
US (1) US6418184B1 (US06418184-20020709-M00003.png)
JP (1) JP2002330957A (US06418184-20020709-M00003.png)
DE (1) DE10164353A1 (US06418184-20020709-M00003.png)
IL (1) IL147124A0 (US06418184-20020709-M00003.png)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6490335B1 (en) * 2001-11-21 2002-12-03 Ge Medical Systems Global Technologies Company Llc Helical segment image reconstruction
US6654442B2 (en) * 2002-03-29 2003-11-25 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for weighting projection data
US6600802B1 (en) 2002-04-01 2003-07-29 Ge Medical Systems Global Technology Company, Llc Image space correction for multi-slice helical reconstruction with z-smoothing
US6584165B1 (en) * 2002-07-10 2003-06-24 Ge Medical Systems Global Technology Company, Llc Scan data correction view weighting of computed tomographic images
JP4056922B2 (ja) * 2003-04-21 2008-03-05 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 放射線計算断層画像装置
US7583777B2 (en) * 2004-07-21 2009-09-01 General Electric Company Method and apparatus for 3D reconstruction of images
DE602005019900D1 (de) * 2004-10-08 2010-04-22 Koninkl Philips Electronics Nv Bildrekonstruktion mit voxelabhängiger Interpolation
CA2608119A1 (en) 2005-05-11 2006-11-16 Optosecurity Inc. Method and system for screening luggage items, cargo containers or persons
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
US8364244B2 (en) * 2005-11-23 2013-01-29 General Electric Company Methods and systems to facilitate reducing banding artifacts in images
US7899232B2 (en) 2006-05-11 2011-03-01 Optosecurity Inc. Method and apparatus for providing threat image projection (TIP) in a luggage screening system, and luggage screening system implementing same
US8494210B2 (en) 2007-03-30 2013-07-23 Optosecurity Inc. User interface for use in security screening providing image enhancement capabilities and apparatus for implementing same
US7609802B2 (en) * 2007-04-25 2009-10-27 General Electric Company Method and system for reconstructing image volumes from helical scan acquisitions
GB2508565B (en) 2011-09-07 2016-10-05 Rapiscan Systems Inc X-ray inspection system that integrates manifest data with imaging/detection processing
JP2013153832A (ja) * 2012-01-27 2013-08-15 Toshiba Corp X線ct装置
EP3764280A1 (en) 2016-02-22 2021-01-13 Rapiscan Systems, Inc. Methods for verifying types of containers

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6219441B1 (en) 1993-06-22 2001-04-17 General Electric Company Reconstruction of images from three-dimensional cone beam data
US5724037A (en) 1995-05-23 1998-03-03 Analog Devices, Inc. Data acquisition system for computed tomography scanning and related applications
JP2914891B2 (ja) 1995-07-05 1999-07-05 株式会社東芝 X線コンピュータ断層撮影装置
DE19614223C1 (de) 1996-04-10 1997-12-04 Siemens Ag Bildrekonstruktionsverfahren für Mehrzeilendetektor-Computertomographen im Spiralbetrieb
US5848117A (en) 1996-11-27 1998-12-08 Analogic Corporation Apparatus and method for computed tomography scanning using halfscan reconstruction with asymmetric detector system
US5828718A (en) 1996-11-27 1998-10-27 Analogic Corporation Method and apparatus for helical computed tomography scanning with asymmetric detector system
US5946371A (en) 1997-12-08 1999-08-31 Analogic Corporation Method and apparatus for volumetric computed tomography scanning with offset symmetric or asymmetric detector system
US6134292A (en) * 1998-07-13 2000-10-17 General Electric Company Methods and apparatus for reducing z-axis non-uniformity artifacts
US6055291A (en) * 1998-08-25 2000-04-25 General Electric Company Systems, methods and apparatus for reconstructing images
US6285732B1 (en) 1999-11-16 2001-09-04 General Electric Company Methods and apparatus for adaptive interpolation reduced view CT scan
US6341154B1 (en) * 2000-06-22 2002-01-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for fast CT imaging helical weighting

Similar Documents

Publication Publication Date Title
Liu et al. Comparison of 3-D reconstruction with 3D-OSEM and with FORE+ OSEM for PET
US6665370B2 (en) Computed tomography method and apparatus for acquiring images dependent on a time curve of a periodic motion of the subject
JP2002330957A5 (US06418184-20020709-M00003.png)
JP4714316B2 (ja) イメージ再構成
US6466640B1 (en) Computed tomography system and method
US8571291B2 (en) Combination weight applied to iterative reconstruction in image reconstruction
Aguiar et al. Geometrical and Monte Carlo projectors in 3D PET reconstruction
US6343108B1 (en) Cone beam scanner using oblique surface reconstructions
JP6021311B2 (ja) X線コンピュータ断層撮影装置
US20090297009A1 (en) Method of reconstructing an image function from radon data
JP2007512034A (ja) 発散ビームスキャナのための画像再構成方法
US7529335B2 (en) Voxel-driven spiral reconstruction for cone-beam computer tomography
JP4468352B2 (ja) コンピュータトモグラフィにおける局所的患者線量の再構成
JPH09285460A (ja) 物体の断層写真画像を発生するシステム
US6490335B1 (en) Helical segment image reconstruction
US6418184B1 (en) Helical rowwise view weighting of computed tomographic images
US6351514B1 (en) Slice-adaptive multislice helical weighting for computed tomography imaging
US6522714B1 (en) Row-wise full helical view weighting method and apparatus for CT scanners
Defrise A short reader's guide to 3D tomographic reconstruction
JP4676641B2 (ja) マルチ・スライスct走査の螺旋再構成の方法及び装置
CN1644167A (zh) 用焦点探测器组合产生周期运动物体断层造影图像的方法
US8494111B2 (en) System and method for image reconstruction for helical cone beam computed tomography with factorized redundancy weighting
WO2007004196A2 (en) Exact fbp type algorithm for arbitrary trajectories
US7142628B2 (en) Computed tomography method
JP2002065663A (ja) イメージング・データを逆畳み込みするための方法及び装置