TY - CHAP
T1 - Multi-channel registration for diffusion mri
T2 - 9th International Workshop on Biomedical Image Registration, WBIR 2020
AU - Uus, Alena
AU - Pietsch, Maximilian
AU - Grigorescu, Irina
AU - Christiaens, Daan
AU - Tournier, Jacques Donald
AU - Grande, Lucilio Cordero
AU - Hutter, Jana
AU - Edwards, David
AU - Hajnal, Joseph
AU - Deprez, Maria
PY - 2020/1/1
Y1 - 2020/1/1
N2 - In multi-channel (MC) registration, fusion of structural and diffusion brain MRI provides information on both cortex and white matter (WM) structures thus decreasing the uncertainty of deformation fields. However, the existing solutions employ only diffusion tensor imaging (DTI) derived metrics which are limited by inconsistencies in fiber-crossing regions. In this work, we extend the pipeline for registration of multi-shell high angular resolution diffusion imaging (HARDI) [15] with a novel similarity metric based on angular correlation and an option for multi-channel registration that allows incorporation of structural MRI. The contributions of channels to the displacement field are weighted with spatially varying certainty maps. The implementation is based on MRtrix3 (MRtrix3: https://www.mrtrix.org) toolbox. The approach is quantitatively evaluated on intra-patient longitudinal registration of diffusion MRI datasets of 20 preterm neonates with 7–11 weeks gap between the scans. In addition, we present an example of an MC template generated using the proposed method.
AB - In multi-channel (MC) registration, fusion of structural and diffusion brain MRI provides information on both cortex and white matter (WM) structures thus decreasing the uncertainty of deformation fields. However, the existing solutions employ only diffusion tensor imaging (DTI) derived metrics which are limited by inconsistencies in fiber-crossing regions. In this work, we extend the pipeline for registration of multi-shell high angular resolution diffusion imaging (HARDI) [15] with a novel similarity metric based on angular correlation and an option for multi-channel registration that allows incorporation of structural MRI. The contributions of channels to the displacement field are weighted with spatially varying certainty maps. The implementation is based on MRtrix3 (MRtrix3: https://www.mrtrix.org) toolbox. The approach is quantitatively evaluated on intra-patient longitudinal registration of diffusion MRI datasets of 20 preterm neonates with 7–11 weeks gap between the scans. In addition, we present an example of an MC template generated using the proposed method.
KW - Certainty maps
KW - Fibre orientation distribution registration
KW - High angular resolution diffusion imaging
KW - Multi-channel registration
UR - http://www.scopus.com/inward/record.url?scp=85087041061&partnerID=8YFLogxK
U2 - 10.1007/978-3-030-50120-4_11
DO - 10.1007/978-3-030-50120-4_11
M3 - Conference paper
AN - SCOPUS:85087041061
SN - 9783030501198
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 111
EP - 121
BT - Biomedical Image Registration - 9th International Workshop, WBIR 2020, Proceedings
A2 - Spiclin, Ziga
A2 - McClelland, Jamie
A2 - Kybic, Jan
A2 - Goksel, Orcun
PB - SPRINGER
Y2 - 1 December 2020 through 2 December 2020
ER -