[BIC-announce] Friday June 12 at Polytechnique, Prof. Joseph Dagher from University of Arizona

[Nikola Stikov]

Dear colleagues,

Prof. Joseph Dagher from the University of Arizona will be at
Polytechnique on Friday (June 12) to talk about his work on phase
quantification.  You are all welcome to join, and feel free to spread
the word.

Details of the talk are below, I look forward to seeing some of you at
Polytechnique on Friday at noon (room L-4812
<http://www.neuro.polymtl.ca/doku.php?id=contact>):

Nikola

Chers collègues,

Il me fait grand plaisir de vous inviter à une conférence du
professeur Joseph Dagher de l'Université de l'Arizona intitulé «Un
nouveau paradigme pour la quantification de phase de l'IRM». La
conférence est prévue le 12 Juin (vendredi) à 12 heures dans la salle
L-4812, vous êtes les bienvenus.

Les détails sont ci-dessous,

Nikola

Location: Lassonde room L-4812
http://www.neuro.polymtl.ca/doku.php?id=contact

Title: A new paradigm for quantitation from MR Phase

Abstract: Measuring the phase of the MR signal is faced with
fundamental challenges such as phase aliasing, noise and unknown
offsets of the coil array. There is a paucity of acquisition,
reconstruction and estimation methods that rigorously address these
challenges. This reduces the reliability of information processing in
phase domain. We propose a joint acquisition-processing framework that
addresses the challenges of MR phase imaging using a rigorous
theoretical treatment. Our proposed solution acquires the multi-coil
complex data without any increase in acquisition time. Our
corresponding estimation algorithm is applied optimally
voxel-per-voxel. Results show that our framework achieves performance
gains up to an order of magnitude compared to existing methods.  We
show the impact of this gain on applications such as susceptibility
imaging and MR thermometry.

Bio: Joseph Dagher received his BS in Computer Engineering from the
University of Balamand, Lebanon, his M.S. in Electrical Engineering
and PhD in Optical Sciences, both from The University of Arizona.
After his PhD, he joined in 2006 a computational imaging company in
Boulder CO as a Senior Scientist, where he collaborated with a vibrant
team of researchers on solving problems in microscopy, endoscopy,
biometrics, planetary imaging and consumer cameras.  In 2009, he
accepted an NIH T32 training fellowship that would transition his
engineering skills to solving problems in medical imaging.  He started
the fellowship at The University of Colorado, Center for Neuroscience,
and completed it at Mass General Hospital, Department of Radiology.
Joseph is now a Research Assistant Professor at the University of
Arizona, Department of Medical Imaging, where his 2014 NIH career
award is supporting his research on imaging the biomarkers of mild
Traumatic Brain Injury.

-- 
Nikola Stikov, PhD
Assistant Professor
Institute of Biomedical Engineering
École Polytechnique/Montreal Heart Institute
tel: 514 340 5121 (ext. 4549)
web: www.neuro.polymtl.ca
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