Super-resolution for multislice diffusion tensor imaging

Dirk H. J. Poot, Ben Jeurissen, Yannick Bastiaensen, Jelle Veraart, Wim Van Hecke, Paul M. Parizel, Jan Sijbers

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Diffusion weighted magnetic resonance images are often acquired with single shot multislice imaging sequences, because of their short scanning times and robustness to motion. To minimize noise and acquisition time, images are generally acquired with either anisotropic or isotropic low resolution voxels, which impedes subsequent posterior image processing and visualization. In this article, we propose a super-resolution method for diffusion weighted imaging that combines anisotropic multislice images to enhance the spatial resolution of diffusion tensor data. Each diffusion weighted image is reconstructed from a set of arbitrarily oriented images with a low through-plane resolution. The quality of the reconstructed diffusion weighted images was evaluated by diffusion tensor metrics and tractography. Experiments with simulated data, a hardware DTI phantom, as well as in vivo human brain data were conducted. Our results show a significant increase in spatial resolution of the diffusion tensor data while preserving high signal to noise ratio. Magn Reson Med, 2013. (c) 2012 Wiley Periodicals, Inc.

Original languageEnglish
Pages (from-to)103-113
Number of pages11
JournalMagnetic Resonance in Medicine
Volume69
Issue number1
DOIs
Publication statusPublished - Jan 2013
Externally publishedYes

Cite this

Poot, D. H. J., Jeurissen, B., Bastiaensen, Y., Veraart, J., Van Hecke, W., Parizel, P. M., & Sijbers, J. (2013). Super-resolution for multislice diffusion tensor imaging. Magnetic Resonance in Medicine, 69(1), 103-113. https://doi.org/10.1002/mrm.24233