DE602005003738D1 - Verfahren und System zur CT Bildrekonstruktion mit Korrektur der Rohdaten - Google Patents

Verfahren und System zur CT Bildrekonstruktion mit Korrektur der Rohdaten

Info

Publication number
DE602005003738D1
DE602005003738D1 DE602005003738T DE602005003738T DE602005003738D1 DE 602005003738 D1 DE602005003738 D1 DE 602005003738D1 DE 602005003738 T DE602005003738 T DE 602005003738T DE 602005003738 T DE602005003738 T DE 602005003738T DE 602005003738 D1 DE602005003738 D1 DE 602005003738D1
Authority
DE
Germany
Prior art keywords
correction
raw data
image reconstruction
reconstruction
image
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.)
Active
Application number
DE602005003738T
Other languages
English (en)
Other versions
DE602005003738T2 (de
Inventor
Zhye Yin
Francis Howard Little
Michael Chunhe Gong
Jong Chul Ye
Forrest Frank Hopkins
Yanfeng Du
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE602005003738D1 publication Critical patent/DE602005003738D1/de
Application granted granted Critical
Publication of DE602005003738T2 publication Critical patent/DE602005003738T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/10—Image enhancement or restoration using non-spatial domain filtering
    • 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
    • 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
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
DE602005003738T 2004-09-30 2005-09-14 Verfahren und System zur CT Bildrekonstruktion mit Korrektur der Rohdaten Active DE602005003738T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US955623 1992-10-02
US10/955,623 US7215732B2 (en) 2004-09-30 2004-09-30 Method and system for CT reconstruction with pre-correction

Publications (2)

Publication Number Publication Date
DE602005003738D1 true DE602005003738D1 (de) 2008-01-24
DE602005003738T2 DE602005003738T2 (de) 2008-12-04

Family

ID=35447174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005003738T Active DE602005003738T2 (de) 2004-09-30 2005-09-14 Verfahren und System zur CT Bildrekonstruktion mit Korrektur der Rohdaten

Country Status (4)

Country Link
US (1) US7215732B2 (de)
EP (1) EP1643447B1 (de)
JP (1) JP4656413B2 (de)
DE (1) DE602005003738T2 (de)

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JP6031339B2 (ja) * 2012-11-21 2016-11-24 富士フイルム株式会社 透視画像濃度補正方法、非破壊検査方法、及び画像処理装置
KR101527656B1 (ko) * 2013-12-12 2015-06-10 한국과학기술원 의료 영상에서 비강체 영상 정합을 이용한 점상 강도 분포 함수를 보간하는 방법 및 시스템
US9415546B2 (en) * 2014-01-29 2016-08-16 Xerox Corporation System and method for controlling material drop volume in three dimensional object printing
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KR101783001B1 (ko) * 2015-01-20 2017-09-28 삼성전자주식회사 단층 영상 장치 및 단층 영상의 이미징 방법
CN104751429B (zh) * 2015-01-27 2018-02-02 南方医科大学 一种基于字典学习的低剂量能谱ct图像处理方法
CN106353828B (zh) * 2015-07-22 2018-09-21 清华大学 在安检系统中估算被检查物体重量的方法和装置
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KR101850871B1 (ko) * 2015-08-26 2018-04-23 주식회사 디알텍 방사선 영상의 처리방법 및 방사선 촬영시스템
KR101717433B1 (ko) * 2015-09-01 2017-03-17 연세대학교 산학협력단 엑스레이 컴퓨터 단층촬영 환경에서 빔 경화현상에 의한 인공물 보정방법
CN108242066B (zh) 2016-12-26 2023-04-14 通用电气公司 Ct图像的空间分辨率增强装置和方法以及ct成像系统
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Also Published As

Publication number Publication date
EP1643447B1 (de) 2007-12-12
JP2006105975A (ja) 2006-04-20
US7215732B2 (en) 2007-05-08
JP4656413B2 (ja) 2011-03-23
DE602005003738T2 (de) 2008-12-04
US20060067461A1 (en) 2006-03-30
EP1643447A1 (de) 2006-04-05

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