Valur T. Olafsson

Publication Activity (10 Years)

Years Active: 2005-2018
Publications (10 Years): 1

Top Topics

Spatial Resolution

Image Reconstruction

Functional Connectivity

Top Venues

IEEE Trans. Medical Imaging

Publications

Valur T. Olafsson, Douglas C. Noll, Jeffrey A. Fessler
Fast Spatial Resolution Analysis of Quadratic Penalized Least-Squares Image Reconstruction With Separate Real and Imaginary Roughness Penalty: Application to fMRI. IEEE Trans. Medical Imaging 37 (2) (2018)
Valur T. Olafsson, Prantik Kundu, Eric C. Wong, Peter A. Bandettini, Thomas T. Liu
Enhanced identification of BOLD-like components with multi-echo simultaneous multi-slice (MESMS) fMRI and multi-echo ICA. NeuroImage 112 (2015)
Chi Wah Wong, Valur T. Olafsson, Omer Tal, Thomas T. Liu
The amplitude of the resting-state fMRI global signal is related to EEG vigilance measures. NeuroImage 83 (2013)
Chi Wah Wong, Valur T. Olafsson, Omer Tal, Thomas T. Liu
Anti-correlated networks, global signal regression, and the effects of caffeine in resting-state functional MRI. NeuroImage 63 (1) (2012)
Amanda K. Funai, Jeffrey A. Fessler, Desmond Teck Beng Yeo, Valur T. Olafsson, Douglas C. Noll
Regularized Field Map Estimation in MRI. IEEE Trans. Medical Imaging 27 (10) (2008)
Valur T. Olafsson, Douglas C. Noll, Jeffrey A. Fessler
and Field Maps in Functional MRI. IEEE Trans. Medical Imaging 27 (9) (2008)
Valur T. Olafsson, Jeffrey A. Fessler, Douglas C. Noll
Spatial resolution analysis of iterative image reconstruction with separate regularization of real and imaginary parts. ISBI (2006)
Jeffrey A. Fessler, Sangwoo Lee, Valur T. Olafsson, Hugo R. Shi, Douglas C. Noll
Toeplitz-based iterative image reconstruction for MRI with correction for magnetic field inhomogeneity. IEEE Trans. Signal Process. 53 (9) (2005)