JP2002330957A - 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 - Google Patents

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

Info

Publication number
JP2002330957A
JP2002330957A JP2001400490A JP2001400490A JP2002330957A JP 2002330957 A JP2002330957 A JP 2002330957A JP 2001400490 A JP2001400490 A JP 2001400490A JP 2001400490 A JP2001400490 A JP 2001400490A JP 2002330957 A JP2002330957 A JP 2002330957A
Authority
JP
Japan
Prior art keywords
imaging system
helical
data
image
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Withdrawn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
JP2002330957A5 (US06418184-20020709-M00003.png
Inventor
Sharon Xiaorong Wang
シャロン・シャオロン・ワン
Stephen W Metz
スティーブン・ダブリュー・メッツ
John A Fusco
ジョン・エー・フスコ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Publication of JP2002330957A publication Critical patent/JP2002330957A/ja
Publication of JP2002330957A5 publication Critical patent/JP2002330957A5/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computerised tomographs
    • A61B6/032Transmission computed tomography [CT]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/40Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/4064Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis specially adapted for producing a particular type of beam
    • A61B6/4085Cone-beams
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00X-ray or gamma ray systems or devices
    • Y10S378/901Computer tomography program or processor
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 true JP2002330957A (ja) 2002-11-19
JP2002330957A5 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
JP5133690B2 (ja) * 2004-10-08 2013-01-30 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ボクセルに依存する補間を用いる画像再構成
US7991242B2 (en) 2005-05-11 2011-08-02 Optosecurity Inc. Apparatus, method and system for screening receptacles and persons, having image distortion correction functionality
CA2608119A1 (en) 2005-05-11 2006-11-16 Optosecurity Inc. Method and system for screening luggage items, cargo containers or persons
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
KR102067367B1 (ko) 2011-09-07 2020-02-11 라피스캔 시스템스, 인코포레이티드 적하목록 데이터를 이미징/검출 프로세싱에 통합시킨 x-선 검사 방법
JP2013153832A (ja) * 2012-01-27 2013-08-15 Toshiba Corp X線ct装置
EP3764281A1 (en) 2016-02-22 2021-01-13 Rapiscan Systems, Inc. Methods of identifying firearms in radiographic images

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

Also Published As

Publication number Publication date
US6418184B1 (en) 2002-07-09
DE10164353A1 (de) 2002-08-22
IL147124A0 (en) 2002-08-14

Similar Documents

Publication Publication Date Title
JP4424709B2 (ja) 物体の像を形成する方法及びイメージング・システム
JP4487095B2 (ja) 撮像システムの回顧的心臓ゲーティングを用いた冠状動脈の石灰化の検出
US6421411B1 (en) Methods and apparatus for helical image artifact reduction
US6452996B1 (en) Methods and apparatus utilizing generalized helical interpolation algorithm
JP3894993B2 (ja) X線源に供給されるx線管電流を変調させるシステム
US6324247B1 (en) Partial scan weighting for multislice CT imaging with arbitrary pitch
US6977984B2 (en) Methods and apparatus for dynamical helical scanned image production
US20030072419A1 (en) Computed tomography method and apparatus for acquiring images dependent on a time curve of a periodic motion of the subject
US20040131140A1 (en) Method for computed tomography of a periodically moving object to be examined, and a CT unit for carrying out this method
US20080267455A1 (en) Method for Movement Compensation of Image Data
JP2002330957A (ja) 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
US6845144B2 (en) Three dimensional back projection method and an X-ray CT apparatus
JP2001137229A (ja) 動きに無関係な心臓ctイメージング方法及び装置
EP1470783B1 (en) Radiation computed tomography apparatus and tomographic image producing method
JP2002320612A (ja) 高品質画像再構成のためのコンピュータ断層撮影(ct)重み付け法
JP2002345808A (ja) Ctスカウト画像処理のための方法及び装置
JPH09285460A (ja) 物体の断層写真画像を発生するシステム
JP2002085398A (ja) 高速ct撮像における螺旋加重のための方法及び装置
JP2001224588A (ja) 被曝を低減したコンピュータ断層撮影イメージング方法及び装置
EP1372115A2 (en) Methods and apparatus for reconstructing an image of an object
JP2008519636A (ja) 周期運動物体の検査のためのコンピュータ断層撮影方法
JP2002153453A (ja) マルチスライス型ctスキャンのハイピッチ再構成
US6339632B1 (en) Multi slice single filtering helical weighting method and apparatus to use the same
US6038278A (en) Method and apparatus for helical multi-frame image reconstruction in a computed tomography fluoro system
US6885764B2 (en) High Speed Z-smoothing method and apparatus for CT imaging system

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20041207

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20041207

A761 Written withdrawal of application

Free format text: JAPANESE INTERMEDIATE CODE: A761

Effective date: 20050829