WO2008116565A3 - Image deformation using multiple image regions - Google Patents

Image deformation using multiple image regions Download PDF

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Publication number
WO2008116565A3
WO2008116565A3 PCT/EP2008/002056 EP2008002056W WO2008116565A3 WO 2008116565 A3 WO2008116565 A3 WO 2008116565A3 EP 2008002056 W EP2008002056 W EP 2008002056W WO 2008116565 A3 WO2008116565 A3 WO 2008116565A3
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WO
WIPO (PCT)
Prior art keywords
image
regions
deformation
deformable
algorithm
Prior art date
Application number
PCT/EP2008/002056
Other languages
French (fr)
Other versions
WO2008116565A2 (en
Inventor
Janne Llmari Nord
Jarkko Peltola
Original Assignee
Varian Med Sys Int
Janne Llmari Nord
Jarkko Peltola
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 Varian Med Sys Int, Janne Llmari Nord, Jarkko Peltola filed Critical Varian Med Sys Int
Publication of WO2008116565A2 publication Critical patent/WO2008116565A2/en
Publication of WO2008116565A3 publication Critical patent/WO2008116565A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
    • G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10116—X-ray image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing

Abstract

Disclosed are systems for and methods of registering (i.e., aligning) a deformable image with a reference image subject to a plurality of regions within the deformable and reference images. Different members of the plurality of regions may be used in different phases of a deformation algorithm and the identity of these regions may change between different iterations of the deformation algorithm. In some embodiments, most of an image is used for calculation of the internal force of the demons algorithm while a smaller subset of the image is used for calculating the opposing external force.
PCT/EP2008/002056 2007-03-23 2008-03-14 Image deformation using multiple image regions WO2008116565A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/726,884 2007-03-23
US11/726,884 US7778488B2 (en) 2007-03-23 2007-03-23 Image deformation using multiple image regions

Publications (2)

Publication Number Publication Date
WO2008116565A2 WO2008116565A2 (en) 2008-10-02
WO2008116565A3 true WO2008116565A3 (en) 2009-03-26

Family

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Family Applications (1)

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PCT/EP2008/002056 WO2008116565A2 (en) 2007-03-23 2008-03-14 Image deformation using multiple image regions

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US (1) US7778488B2 (en)
WO (1) WO2008116565A2 (en)

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Publication number Publication date
US7778488B2 (en) 2010-08-17
WO2008116565A2 (en) 2008-10-02
US20080232714A1 (en) 2008-09-25

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