JP4656413B2 - 予備補正を備えたct再構成方法及びシステム - Google Patents

予備補正を備えたct再構成方法及びシステム Download PDF

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JP4656413B2
JP4656413B2 JP2005274871A JP2005274871A JP4656413B2 JP 4656413 B2 JP4656413 B2 JP 4656413B2 JP 2005274871 A JP2005274871 A JP 2005274871A JP 2005274871 A JP2005274871 A JP 2005274871A JP 4656413 B2 JP4656413 B2 JP 4656413B2
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detector
ray
correction
data
sinogram data
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JP2006105975A (ja
JP2006105975A5 (https=
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ザイ・イン
ジョン・チュル・イェ
フランシス・ハワード・リトル
フォレスト・フランク・ホプキンス
マイケル・チュンヘ・ゴン
ヤンフェング・デュ
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General Electric Co
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/10Image enhancement or restoration using non-spatial domain filtering
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00Tomographic reconstruction from projections
    • G06T12/10Image preprocessing, e.g. calibration, positioning of sources or scatter correction
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T12/00Tomographic reconstruction from projections
    • G06T12/20Inverse problem, i.e. transformations from projection space into object space
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00Image generation
    • G06T2211/40Computed tomography
    • G06T2211/421Filtered back projection [FBP]

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
JP2005274871A 2004-09-30 2005-09-22 予備補正を備えたct再構成方法及びシステム Expired - Fee Related JP4656413B2 (ja)

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US10/955,623 US7215732B2 (en) 2004-09-30 2004-09-30 Method and system for CT reconstruction with pre-correction

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JP2006105975A5 JP2006105975A5 (https=) 2008-11-06
JP4656413B2 true JP4656413B2 (ja) 2011-03-23

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US (1) US7215732B2 (https=)
EP (1) EP1643447B1 (https=)
JP (1) JP4656413B2 (https=)
DE (1) DE602005003738T2 (https=)

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Also Published As

Publication number Publication date
DE602005003738T2 (de) 2008-12-04
JP2006105975A (ja) 2006-04-20
EP1643447A1 (en) 2006-04-05
US7215732B2 (en) 2007-05-08
US20060067461A1 (en) 2006-03-30
EP1643447B1 (en) 2007-12-12
DE602005003738D1 (de) 2008-01-24

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