WO2006003002A3 - Imaging internal structures - Google Patents

Imaging internal structures Download PDF

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Publication number
WO2006003002A3
WO2006003002A3 PCT/EP2005/007297 EP2005007297W WO2006003002A3 WO 2006003002 A3 WO2006003002 A3 WO 2006003002A3 EP 2005007297 W EP2005007297 W EP 2005007297W WO 2006003002 A3 WO2006003002 A3 WO 2006003002A3
Authority
WO
WIPO (PCT)
Prior art keywords
phase
data
internal structures
correlated data
correlated
Prior art date
Application number
PCT/EP2005/007297
Other languages
French (fr)
Other versions
WO2006003002A2 (en
Inventor
Herk Marcel Van
Jan-Jakob Sonke
Lambert Zijp
Peter Remeijer
Original Assignee
Elekta Ab
Herk Marcel Van
Jan-Jakob Sonke
Lambert Zijp
Peter Remeijer
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 Elekta Ab, Herk Marcel Van, Jan-Jakob Sonke, Lambert Zijp, Peter Remeijer filed Critical Elekta Ab
Publication of WO2006003002A2 publication Critical patent/WO2006003002A2/en
Publication of WO2006003002A3 publication Critical patent/WO2006003002A3/en

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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/412—Dynamic

Abstract

A more accurate reconstruction of the data from a cone beam CT scan of a breathing patient is sought, which avoids the choice between a large volume of non-phase correlated data and a smaller volume of phase-correlated data. The dataset is therefore split into phase-correlated data sets, which are compared to each other and the relative transformation determined. This transformation then applied in reverse to bring the data sets back to a single phase. The whole data set is then used to reconstruct an image of that phase. Corresponding apparatus, methods and software modules are disclosed.
PCT/EP2005/007297 2004-07-06 2005-07-06 Imaging internal structures WO2006003002A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0415119.7 2004-07-06
GB0415119A GB2416101A (en) 2004-07-06 2004-07-06 Imaging internal structures and correcting for motion artifacts

Publications (2)

Publication Number Publication Date
WO2006003002A2 WO2006003002A2 (en) 2006-01-12
WO2006003002A3 true WO2006003002A3 (en) 2007-01-18

Family

ID=32865506

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/007297 WO2006003002A2 (en) 2004-07-06 2005-07-06 Imaging internal structures

Country Status (2)

Country Link
GB (1) GB2416101A (en)
WO (1) WO2006003002A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0714940D0 (en) 2007-08-01 2007-09-12 Depuy Orthopaedie Gmbh Image processing
US9047701B2 (en) * 2012-03-31 2015-06-02 Varian Medical Systems, Inc. 4D cone beam CT using deformable registration
US10062168B2 (en) 2016-02-26 2018-08-28 Varian Medical Systems International Ag 5D cone beam CT using deformable registration
US10499867B2 (en) * 2018-01-08 2019-12-10 Shenzhen Keya Medical Technology Corporation Method, storage medium, and system for analyzing image sequences of periodic physiological activities

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0752684A1 (en) * 1995-07-03 1997-01-08 Commissariat A L'energie Atomique Three dimensional image reconstruction method of a moving or deformable object
EP1087337A1 (en) * 1999-09-24 2001-03-28 Ge Medical Systems Sa Process for reconstructing a tri-dimensional image of a moving object
WO2001080184A1 (en) * 2000-04-14 2001-10-25 General Electric Company Reconstruction of computed tomographic images using interpolation between projection views

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2397738B (en) * 2003-01-21 2007-08-29 Elekta Ab Computed tomography scanning

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0752684A1 (en) * 1995-07-03 1997-01-08 Commissariat A L'energie Atomique Three dimensional image reconstruction method of a moving or deformable object
EP1087337A1 (en) * 1999-09-24 2001-03-28 Ge Medical Systems Sa Process for reconstructing a tri-dimensional image of a moving object
WO2001080184A1 (en) * 2000-04-14 2001-10-25 General Electric Company Reconstruction of computed tomographic images using interpolation between projection views

Also Published As

Publication number Publication date
GB0415119D0 (en) 2004-08-11
WO2006003002A2 (en) 2006-01-12
GB2416101A (en) 2006-01-11

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