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research article
Spatiotemporal motion estimation for respiratory-correlated imaging of the lungs
2011
Purpose: Four-dimensional computed tomography (4D CT) can provide patient-specific motion information for radiotherapy planning and delivery. Motion estimation in 4D CT is challenging due to the reduced image quality and the presence of artifacts. We aim to improve the robustness of deformable registration applied to respiratory-correlated imaging of the lungs, by using a global problem formulation and pursuing a restrictive parametrization for the spatiotemporal deformation model.
Type
research article
Web of Science ID
WOS:000285769800018
Authors
Publication date
2011
Published in
Volume
38
Start page
166
End page
178
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
December 16, 2011
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