Poster: http://www.physics.uwo.ca/colloquia/Colloquia%20Notices/2011_2012/KOAY%20Research%20Talk.pdf
Western University
DEPARTMENT OF PHYSICS AND ASTRONOMY
PHYSICS & ASTRONOMY COLLOQUIUM
Date: Thursday, 9th February 2012
Time: 1:30 p.m.
Location: Physics & Astronomy Seminar Room 22
Dr. Cheng Guan Koay
University of Wisconsin School of Medicine & Public Health
Madison, Wisconsin
“Diffusion Magnetic Resonance Imaging: From optimal acquisition design to signal extraction”
ABSTRACT
Diffusion Magnetic Resonance Imaging (MRI) in combination with functional MRI promises a whole new vista for scientists to investigate noninvasively the structural and functional connectivity of the human brain—the human connectome, which had heretofore been out of reach. As with other imaging modalities, diffusion MRI data are inherently noisy and its acquisition time-consuming. Further, a faithful representation of the human connectome that can serve as a predictive model requires a robust and accurate data-analytic pipeline. This talk will touch on recent advances on two important segments of a complex diffusion MRI data-analytic pipeline: temporally and spatially optimal acquisition design via deterministic approaches, and accurate signal extraction through a framework that is capable of breaking the noise floor.
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