User profiles for Fernando Calamante

Fernando Calamante

University of Sydney; Director of Sydney Imaging, Professor at Faculty of Engineering
Verified email at sydney.edu.au
Cited by 22117

Measuring cerebral blood flow using magnetic resonance imaging techniques

F Calamante, DL Thomas, GS Pell… - Journal of cerebral …, 1999 - journals.sagepub.com
Magnetic resonance imaging techniques measuring CBF have developed rapidly in the last
decade, resulting in a wide range of available methods. The most successful approaches …

Robust determination of the fibre orientation distribution in diffusion MRI: non-negativity constrained super-resolved spherical deconvolution

JD Tournier, F Calamante, A Connelly - Neuroimage, 2007 - Elsevier
Diffusion-weighted (DW) MR images contain information about the orientation of brain white
matter fibres that potentially can be used to study human brain connectivity in vivo using …

Delay and dispersion effects in dynamic susceptibility contrast MRI: simulations using singular value decomposition

F Calamante, DG Gadian… - Magnetic Resonance in …, 2000 - Wiley Online Library
Dynamic susceptibility contrast (DSC) MRI is now increasingly used for measuring perfusion
in many different applications. The quantification of DSC data requires the measurement of …

Anatomically-constrained tractography: improved diffusion MRI streamlines tractography through effective use of anatomical information

RE Smith, JD Tournier, F Calamante, A Connelly - Neuroimage, 2012 - Elsevier
Diffusion MRI streamlines tractography suffers from a number of inherent limitations, one of
which is the accurate determination of when streamlines should be terminated. Use of an …

Track-density imaging (TDI): super-resolution white matter imaging using whole-brain track-density mapping

F Calamante, JD Tournier, GD Jackson, A Connelly - Neuroimage, 2010 - Elsevier
Neuroimaging advances have given rise to major progress in neurosciences and neurology,
as ever more subtle and specific imaging methods reveal new aspects of the brain. One …

Direct estimation of the fiber orientation density function from diffusion-weighted MRI data using spherical deconvolution

JD Tournier, F Calamante, DG Gadian, A Connelly - Neuroimage, 2004 - Elsevier
Diffusion-weighted magnetic resonance imaging can provide information related to the
arrangement of white matter fibers. The diffusion tensor is the model most commonly used to …

MRtrix: diffusion tractography in crossing fiber regions

JD Tournier, F Calamante… - International journal of …, 2012 - Wiley Online Library
In recent years, diffusion‐weighted magnetic resonance imaging has attracted considerable
attention due to its unique potential to delineate the white matter pathways of the brain. …

Gadolinium deposition in the brain: summary of evidence and recommendations

V Gulani, F Calamante, FG Shellock, E Kanal… - The Lancet …, 2017 - thelancet.com
Emerging evidence has linked MRI signal changes in deep nuclei of the brain with repeated
administration of gadolinium-based contrast agents. Gadolinium deposits have been …

SIFT: Spherical-deconvolution informed filtering of tractograms

RE Smith, JD Tournier, F Calamante, A Connelly - Neuroimage, 2013 - Elsevier
Diffusion MRI allows the structural connectivity of the whole brain (the ‘tractogram’) to be
estimated in vivo non-invasively using streamline tractography. The biological accuracy of these …

Improved probabilistic streamlines tractography by 2nd order integration over fibre orientation distributions

JD Tournier, F Calamante… - Proceedings of the …, 2010 - archive.ismrm.org
Probabilistic streamlines algorithms are amongst the most promising methods for fibre-tracking,
but are potentially subject to a number of deficiencies. These include a tendency to …