DE602005003738T2 - Verfahren und System zur CT Bildrekonstruktion mit Korrektur der Rohdaten - Google Patents

Verfahren und System zur CT Bildrekonstruktion mit Korrektur der Rohdaten Download PDF

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Publication number
DE602005003738T2
DE602005003738T2 DE602005003738T DE602005003738T DE602005003738T2 DE 602005003738 T2 DE602005003738 T2 DE 602005003738T2 DE 602005003738 T DE602005003738 T DE 602005003738T DE 602005003738 T DE602005003738 T DE 602005003738T DE 602005003738 T2 DE602005003738 T2 DE 602005003738T2
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Prior art keywords
detector
ray
correction
sinogram data
data
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Expired - Lifetime
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DE602005003738T
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German (de)
English (en)
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DE602005003738D1 (de
Inventor
Zhye Schenectady Yin
Francis Howard Little
Michael Chunhe Gong
Jong Chul Ye
Forrest Frank Scotia Hopkins
Yanfeng Rexford Du
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General Electric Co
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General Electric Co
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; 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 OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/421—Filtered back projection [FBP]

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  • 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 Expired - Lifetime 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

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

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DE602005003738T Expired - Lifetime DE602005003738T2 (de) 2004-09-30 2005-09-14 Verfahren und System zur CT Bildrekonstruktion mit Korrektur der Rohdaten

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US (1) US7215732B2 (enExample)
EP (1) EP1643447B1 (enExample)
JP (1) JP4656413B2 (enExample)
DE (1) DE602005003738T2 (enExample)

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Also Published As

Publication number Publication date
DE602005003738D1 (de) 2008-01-24
JP4656413B2 (ja) 2011-03-23
JP2006105975A (ja) 2006-04-20
US20060067461A1 (en) 2006-03-30
EP1643447B1 (en) 2007-12-12
EP1643447A1 (en) 2006-04-05
US7215732B2 (en) 2007-05-08

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