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Valur T. Olafsson, Ph.D. - Publications

Affiliations: 
2009 University of Michigan, Ann Arbor, Ann Arbor, MI 
Area:
Electronics and Electrical Engineering
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12 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2018 Olafsson VT, Noll DC, Fessler JA. Fast Spatial Resolution Analysis of Quadratic Penalized Least-Squares Image Reconstruction With Separate Real and Imaginary Roughness Penalty: Application to fMRI. Ieee Transactions On Medical Imaging. 37: 604-614. PMID 29408788 DOI: 10.1109/Tmi.2017.2768825  0.613
2015 Mackey S, Olafsson V, Aupperle RL, Lu K, Fonzo GA, Parnass J, Liu T, Paulus MP. Greater preference consistency during the Willingness-to-Pay task is related to higher resting state connectivity between the ventromedial prefrontal cortex and the ventral striatum. Brain Imaging and Behavior. PMID 26271206 DOI: 10.1007/S11682-015-9435-Z  0.327
2015 Olafsson V, Kundu P, Wong EC, Bandettini PA, Liu TT. Enhanced identification of BOLD-like components with multi-echo simultaneous multi-slice (MESMS) fMRI and multi-echo ICA. Neuroimage. 112: 43-51. PMID 25743045 DOI: 10.1016/J.Neuroimage.2015.02.052  0.428
2014 Wong CW, Olafsson V, Plank M, Snider J, Halgren E, Poizner H, Liu TT. Resting-state fMRI activity predicts unsupervised learning and memory in an immersive virtual reality environment. Plos One. 9: e109622. PMID 25286145 DOI: 10.1371/Journal.Pone.0109622  0.339
2013 Wong CW, Olafsson V, Tal O, Liu TT. The amplitude of the resting-state fMRI global signal is related to EEG vigilance measures. Neuroimage. 83: 983-90. PMID 23899724 DOI: 10.1016/J.Neuroimage.2013.07.057  0.371
2013 Tal O, Diwakar M, Wong CW, Olafsson V, Lee R, Huang MX, Liu TT. Caffeine-Induced Global Reductions in Resting-State BOLD Connectivity Reflect Widespread Decreases in MEG Connectivity. Frontiers in Human Neuroscience. 7: 63. PMID 23459778 DOI: 10.3389/Fnhum.2013.00063  0.378
2012 Wong CW, Olafsson V, Tal O, Liu TT. Anti-correlated networks, global signal regression, and the effects of caffeine in resting-state functional MRI. Neuroimage. 63: 356-64. PMID 22743194 DOI: 10.1016/J.Neuroimage.2012.06.035  0.347
2009 Yip CY, Yoon D, Olafsson V, Lee S, Grissom WA, Fessler JA, Noll DC. Spectral-spatial pulse design for through-plane phase precompensatory slice selection in T2*-weighted functional MRI. Magnetic Resonance in Medicine. 61: 1137-47. PMID 19267346 DOI: 10.1002/Mrm.21938  0.556
2008 Funai AK, Fessler JA, Yeo DT, Olafsson VT, Noll DC. Regularized field map estimation in MRI. Ieee Transactions On Medical Imaging. 27: 1484-94. PMID 18815100 DOI: 10.1109/Tmi.2008.923956  0.58
2008 Olafsson VT, Noll DC, Fessler JA. Fast joint reconstruction of dynamic R2* and field maps in functional MRI. Ieee Transactions On Medical Imaging. 27: 1177-88. PMID 18753040 DOI: 10.1109/Tmi.2008.917247  0.635
2006 Olafsson V, Fessler JA, Noll DC. Spatial resolution analysis of iterative image reconstruction with separate regularization of real and imaginary parts 2006 3rd Ieee International Symposium On Biomedical Imaging: From Nano to Macro - Proceedings. 2006: 5-8.  0.563
2005 Fessler JA, Lee S, Olafsson VT, Shi HR, Noll DC. Toeplitz-based iterative image reconstruction for MRI with correction for magnetic field inhomogeneity Ieee Transactions On Signal Processing. 53: 3393-3402. DOI: 10.1109/Tsp.2005.853152  0.62
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