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Name
Danish Research Centre for Magnetic Resonance (DRCMR)
Type
Publication Repository
Items
22 Publications
Compatibility
OpenAIRE Basic (DRIVER OA)
OAI-PMH
http://eprints.drcmr.dk/cgi/oai2

 

  • Encoding of electrophysiology and other signals in MR images.

    Hanson, Lars G; Lund, Torben E; Hanson, Christian G (2007)
    PURPOSE: To develop a gradient insensitive, generic technique for recording of non-MR signals by use of surplus scanner bandwidth. MATERIALS AND METHODS: Relatively simple battery driven hardware is used to transform one or more signals into radio waves detectable by the MR scanner. Similar to the "magstripe" technique used for encoding of soundtracks in motion pictures, the electrical signals are in this way encoded as artifacts appearing in the MR images or spectra outside the region of int...

    DRCMR Annual Report 2009-2010

    DRCMR,
    The 2009-2010 annual report of the Danish Research Centre for Magnetic Resonance, Copenhagen University Hospital Hvidovre, Denmark.

    A graphical simulator for teaching basic and advanced MR imaging techniques.

    Hanson, Lars G. (2007)
    Teaching of magnetic resonance (MR) imaging techniques typically involves considerable handwaving, literally, to explain concepts such as resonance, rotating frames, dephasing, refocusing, sequences, and imaging. A proper understanding of MR contrast and imaging techniques is crucial for radiologists, radiographers, and technical staff alike, but it is notoriously challenging to explain spin dynamics by using traditional teaching tools. The author developed a freely available graphical simula...

    Shift Invariant Multilinear Decomposition of Neuroimaging Data

    Mørup, Morten; Hansen, Lars K; Arnfred, Sidse M; Lim, Lek-Heng; Madsen, Kristoffer H (2008)
    We present an algorithm for multilinear decomposition that allows for arbitrary shifts along one modality. The method is applied to neural activity arranged in the three modalities space, time, and trial. Thus, the algorithm models neural activity as a linear superposition of components with a fixed time course that may vary across either trials or space in its overall intensity and latency. Its utility is demonstrated on simulated data as well as actual EEG, and fMRI data. We show how shift-...

    DRCMR Annual Report 2008

    DRCMR,
    The 2008 annual report of the Danish Research Centre for Magnetic Resonance, Copenhagen University Hospital Hvidovre, Denmark.
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