NL1024447A1 - Werkwijzen en inrichtingen voor afknottingscompensatie. - Google Patents

Werkwijzen en inrichtingen voor afknottingscompensatie.

Info

Publication number
NL1024447A1
NL1024447A1 NL1024447A NL1024447A NL1024447A1 NL 1024447 A1 NL1024447 A1 NL 1024447A1 NL 1024447 A NL1024447 A NL 1024447A NL 1024447 A NL1024447 A NL 1024447A NL 1024447 A1 NL1024447 A1 NL 1024447A1
Authority
NL
Netherlands
Prior art keywords
methods
devices
trimming compensation
trimming
compensation
Prior art date
Application number
NL1024447A
Other languages
English (en)
Other versions
NL1024447C2 (nl
Inventor
Jiang Hsieh
Robert H Armstrong
Peter Joseph Arduini
Robert F Senzig
Original Assignee
Ge Med Sys Global Tech 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 Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of NL1024447A1 publication Critical patent/NL1024447A1/nl
Application granted granted Critical
Publication of NL1024447C2 publication Critical patent/NL1024447C2/nl

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computerised tomographs
    • A61B6/032—Transmission computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/027—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis characterised by the use of a particular data acquisition trajectory, e.g. helical or spiral
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/432—Truncation
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S378/00—X-ray or gamma ray systems or devices
    • Y10S378/901—Computer tomography program or processor
NL1024447A 2002-10-04 2003-10-03 Werkwijzen en inrichtingen voor afknottingscompensatie. NL1024447C2 (nl)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US41607202P 2002-10-04 2002-10-04
US41607202 2002-10-04
US60256503 2003-06-24
US10/602,565 US6810102B2 (en) 2002-10-04 2003-06-24 Methods and apparatus for truncation compensation

Publications (2)

Publication Number Publication Date
NL1024447A1 true NL1024447A1 (nl) 2004-04-06
NL1024447C2 NL1024447C2 (nl) 2005-09-27

Family

ID=32045373

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1024447A NL1024447C2 (nl) 2002-10-04 2003-10-03 Werkwijzen en inrichtingen voor afknottingscompensatie.

Country Status (6)

Country Link
US (1) US6810102B2 (nl)
JP (1) JP2004121853A (nl)
CN (1) CN100374080C (nl)
DE (1) DE10345705A1 (nl)
IL (1) IL158197A (nl)
NL (1) NL1024447C2 (nl)

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DE102007029364A1 (de) * 2007-06-26 2009-01-02 Siemens Ag Verfahren zum Bestimmen eines Zugangs zu einem Areal von einem Gehirn
DE102007031930A1 (de) * 2007-07-09 2009-01-29 Siemens Ag Verfahren und Vorrichtung zum bildlichen Darstellen von funktionellen Vorgängen im Gehirn
DE102007036561A1 (de) * 2007-08-03 2009-02-19 Siemens Ag Verfahren zur Korrektur von Trunkierungsartefakten in einem Rekonstruktionsverfahren für tomographische Aufnahmen mit trunkierten Projektionsdaten
US7675038B2 (en) * 2007-08-27 2010-03-09 Siemens Medical Solutions Usa, Inc. Truncation compensation in transmission reconstructions for a small FOV cardiac gamma camera
DE102007054079A1 (de) * 2007-11-13 2009-05-20 Siemens Ag Verfahren zur Extrapolation abgeschnittener, unvollständiger Projektionen für die Computertomographie
US8213694B2 (en) * 2008-02-29 2012-07-03 Barco N.V. Computed tomography reconstruction from truncated scans
JP5210726B2 (ja) * 2008-06-24 2013-06-12 株式会社東芝 Ｘ線ｃｔ装置
JP5171474B2 (ja) * 2008-08-19 2013-03-27 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 断層画像処理装置およびｘ線ｃｔ装置並びにプログラム
US8314380B2 (en) * 2008-09-11 2012-11-20 Siemens Medical Solutions Usa, Inc. On-line TOF-PET mashed rebinning for continuous bed motion acquisitions
US9466135B2 (en) * 2009-08-20 2016-10-11 Koninklijke Philips N.V. Reconstruction of a region-of-interest image
DE102009047867B4 (de) * 2009-09-30 2016-10-06 Siemens Healthcare Gmbh Verfahren und Vorrichtung zur Korrektur von trunkierten Projektionsdaten
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US8611627B2 (en) 2009-12-23 2013-12-17 General Electric Company CT spectral calibration
WO2012066469A1 (en) * 2010-11-18 2012-05-24 Koninklijke Philips Electronics N.V. Pet-ct system with single detector
JP6192542B2 (ja) 2011-01-27 2017-09-06 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｓｐｅｃｔ／ｃｔシステムのための反復コーンビームｃｔ再構成のための打ち切り補正
JP2013055971A (ja) 2011-09-07 2013-03-28 Fujifilm Corp 断層画像生成装置及び断層画像生成方法
US9196061B2 (en) 2012-11-02 2015-11-24 General Electric Company Systems and methods for performing truncation artifact correction
CN103961123B (zh) * 2013-01-31 2018-11-06 Ge医疗系统环球技术有限公司 计算机断层摄影（ct）方法和ct系统
US9600913B2 (en) * 2013-07-31 2017-03-21 Koninklijke Philips N.V. Iterative CT image reconstruction of a ROI with objects outside the scan FoV
CN104323789B (zh) 2014-09-25 2017-08-25 沈阳东软医疗系统有限公司 一种ct扫描图像重建方法及ct扫描仪
WO2017104700A1 (ja) * 2015-12-17 2017-06-22 国立大学法人東京大学 画像処理装置および画像処理方法
CN106920265B (zh) * 2015-12-28 2024-04-26 上海联影医疗科技股份有限公司 计算机断层扫描图像重建方法及装置
EP3667620A1 (en) * 2018-12-12 2020-06-17 Koninklijke Philips N.V. System for reconstructing an image of an object
CN111000581B (zh) * 2019-12-28 2021-10-15 上海联影医疗科技股份有限公司 医学成像方法及系统

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Also Published As

Publication number Publication date
US20040066911A1 (en) 2004-04-08
IL158197A0 (en) 2004-05-12
DE10345705A1 (de) 2004-09-02
IL158197A (en) 2010-06-30
CN100374080C (zh) 2008-03-12
JP2004121853A (ja) 2004-04-22
US6810102B2 (en) 2004-10-26
NL1024447C2 (nl) 2005-09-27
CN1504960A (zh) 2004-06-16

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AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20050523

PD2B A search report has been drawn up
VD1 Lapsed due to non-payment of the annual fee

Effective date: 20080501