ATE384310T1 - System und verfahren zur korrektur zeitlicher artefakte in tomographischen bildern - Google Patents

System und verfahren zur korrektur zeitlicher artefakte in tomographischen bildern

Info

Publication number
ATE384310T1
ATE384310T1 AT05756735T AT05756735T ATE384310T1 AT E384310 T1 ATE384310 T1 AT E384310T1 AT 05756735 T AT05756735 T AT 05756735T AT 05756735 T AT05756735 T AT 05756735T AT E384310 T1 ATE384310 T1 AT E384310T1
Authority
AT
Austria
Prior art keywords
unit
filter
essentially
angular velocity
data set
Prior art date
Application number
AT05756735T
Other languages
English (en)
Inventor
Lothar Spies
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE384310T1 publication Critical patent/ATE384310T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00—Tomographic reconstruction from projections
    • G06T12/30—Image post-processing, e.g. metal artefact correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10081—Computed x-ray tomography [CT]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Image Analysis (AREA)
AT05756735T 2004-07-07 2005-06-29 System und verfahren zur korrektur zeitlicher artefakte in tomographischen bildern ATE384310T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04103223 2004-07-07

Publications (1)

Publication Number Publication Date
ATE384310T1 true ATE384310T1 (de) 2008-02-15

Family

ID=34979722

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05756735T ATE384310T1 (de) 2004-07-07 2005-06-29 System und verfahren zur korrektur zeitlicher artefakte in tomographischen bildern

Country Status (7)

Country Link
US (1) US7668361B2 (de)
EP (1) EP1766570B1 (de)
JP (1) JP4792463B2 (de)
CN (1) CN100580701C (de)
AT (1) ATE384310T1 (de)
DE (1) DE602005004410T2 (de)
WO (1) WO2006006100A1 (de)

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US7601270B1 (en) * 1999-06-28 2009-10-13 California Institute Of Technology Microfabricated elastomeric valve and pump systems
DE10307331B4 (de) * 2003-02-17 2009-03-05 BAM Bundesanstalt für Materialforschung und -prüfung Bildgebendes Verfahren zur rechnergestützten Auswertung computer-tomographischer Messungen durch direkte iterative Rekonstruktion
DE102005036564A1 (de) * 2005-08-03 2007-02-22 Siemens Ag Betriebsverfahren für eine bildgebende medizintechnische Anlage und hiermit korrespondierende Gegenstände
US20070088331A1 (en) * 2005-08-18 2007-04-19 Transcutaneous Technologies Inc. Method and apparatus for managing active agent usage, and active agent injecting device
DE102006021373A1 (de) * 2006-05-08 2007-11-15 Siemens Ag Röntgendiagnostikeinrichtung
US9070181B2 (en) * 2007-12-21 2015-06-30 General Electric Company System and method for extracting features of interest from an image
JP5405093B2 (ja) * 2008-12-05 2014-02-05 富士フイルム株式会社 画像処理装置及び画像処理方法
WO2010146480A2 (en) * 2009-06-18 2010-12-23 Koninklijke Philips Electronics, N.V. Optimal energy windowing of scattered events in radionuclide imaging
CN104427939B (zh) * 2012-07-05 2018-04-24 皇家飞利浦有限公司 用于多通道x射线成像的图像流的时间对准和信噪比增强
DE102013202313A1 (de) * 2013-02-13 2014-08-14 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Korrektur von Bewegungsartefakten bei einem computertomographischen Bild
JP6414236B2 (ja) 2017-01-12 2018-10-31 オムロン株式会社 画像処理装置及び画像処理方法
JP6574957B2 (ja) * 2017-09-29 2019-09-18 株式会社リガク Ｘ線分析用信号処理装置及びｘ線分析用信号処理装置の調整方法
CN111096761B (zh) * 2018-10-29 2024-03-08 上海西门子医疗器械有限公司 修正楔形滤波器散射的方法、装置和相关设备
JP7534038B2 (ja) * 2018-11-30 2024-08-14 アキュレイ インコーポレイテッド コーンビームコンピュータ断層撮影における最適なパネル読み出しのための非対称散乱フィッティング

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FR2632749B1 (fr) 1988-06-10 1990-08-24 Gen Electric Cgr Procede et systeme d'etalonnage d'un scanner a rayons x en utilisant un ou plusieurs etalons circulaires excentres
US5265013A (en) * 1990-11-19 1993-11-23 General Electric Company Compensation of computed tomography data for X-ray detector afterglow artifacts
US5517544A (en) 1991-02-20 1996-05-14 Elscint Ltd. Afterglow artifact reduction
US5249123A (en) * 1991-11-25 1993-09-28 General Electric Company Compensation of computed tomography data for detector afterglow
US5359638A (en) * 1992-03-30 1994-10-25 General Electric Company Method for recursive filtering residual afterglow from previous computed tomography scans
JP3400015B2 (ja) * 1993-06-08 2003-04-28 株式会社東芝 Ｘ線ｃｔ装置
JP2000505347A (ja) * 1996-06-27 2000-05-09 アナロジック コーポレーション コンピュータ・トモグラフィのスキャナで使うためのマルチプロセッサによる残光アーティファクトの補正フィルタ
US6295331B1 (en) * 1999-07-12 2001-09-25 General Electric Company Methods and apparatus for noise compensation in imaging systems
JP2003061945A (ja) 2001-08-30 2003-03-04 Hitachi Medical Corp Ｘ線ｃｔ装置
US6632020B2 (en) 2001-10-12 2003-10-14 General Electric Company Method and apparatus for calibrating an imaging system
US6404853B1 (en) * 2001-11-02 2002-06-11 Ge Medical Systems Global Technology Company, Llc Method for identifying and correcting pixels with excess pixel lag in a solid state x-ray detector
DE10213564A1 (de) * 2002-03-26 2003-10-16 Siemens Ag Verfahren zur Unterdrückung von Geistbildartefakten bei Röntgenbildern und Röntgenvorrichtung zur Durchführung dieses Verfahrens
JP4468083B2 (ja) * 2003-08-26 2010-05-26 キヤノン株式会社 放射線撮影装置、放射線撮影方法
JP4694431B2 (ja) * 2006-07-20 2011-06-08 富士フイルム株式会社 胸壁欠損量計測方法およびファントム

Also Published As

Publication number Publication date
WO2006006100A1 (en) 2006-01-19
DE602005004410D1 (de) 2008-03-06
US20080044076A1 (en) 2008-02-21
CN1981303A (zh) 2007-06-13
JP2008505678A (ja) 2008-02-28
EP1766570A1 (de) 2007-03-28
CN100580701C (zh) 2010-01-13
EP1766570B1 (de) 2008-01-16
US7668361B2 (en) 2010-02-23
DE602005004410T2 (de) 2009-01-08
JP4792463B2 (ja) 2011-10-12

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