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Parallel MRI Reconstruction Using B-Spline Approximation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21230%2F05%3A03109944" target="_blank" >RIV/68407700:21230/05:03109944 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Parallel MRI Reconstruction Using B-Spline Approximation

  • Original language description

    Parallel MRI (pMRI) is a way to increase the speed of the MRI acquisition by sampling more sparsely in the k-space. The decrease of the data amount causing aliasing is compensated by a simultaneous use of several coils with distinct spatial sensitivities. We propose a new algorithm that estimates the coefficients of the linear reconstruction transformation directly without estimating the coil sensitivity maps first. The coefficients are approximated by B-spline functions. This reduces the number of variables and thus speeds up the estimation. It also makes the method more robust to noise. Tests were performed on phantom images. The proposed method had lower square difference error than two commercially used methods GRAPPA and mSENSE.

  • Czech name

    Není k dispozici

  • Czech description

    Není k dispozici

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JD - Use of computers, robotics and its application

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/1ET101050403" target="_blank" >1ET101050403: Artificial inteligence methods in diagnostics from medical images</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2005

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    ISMRM '05: Proceedings of the 13th Scientific Meeting and Exhibition of International Society for Magnetic Resonance in Medicine

  • ISBN

    1545-4428

  • ISSN

  • e-ISSN

  • Number of pages

    1

  • Pages from-to

    2421-2421

  • Publisher name

    International Society for Magnetic Resonance in Medicine

  • Place of publication

    Berkeley

  • Event location

    Miami

  • Event date

    May 7, 2005

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article