Spherical Demons: Fast Diffeomorphic Landmark-Free Surface Registration
Author(s)
Yeo, Boon Thye Thomas; Golland, Polina; Sabuncu, Mert R.; Fischl, Bruce; Vercauteren, Tom; Ayache, Nicholas; ... Show more Show less
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We present the Spherical Demons algorithm for registering two spherical images. By exploiting spherical vector spline interpolation theory, we show that a large class of regularizors for the modified Demons objective function can be efficiently approximated on the sphere using iterative smoothing. Based on one parameter subgroups of diffeomorphisms, the resulting registration is diffeomorphic and fast. The Spherical Demons algorithm can also be modified to register a given spherical image to a probabilistic atlas. We demonstrate two variants of the algorithm corresponding to warping the atlas or warping the subject. Registration of a cortical surface mesh to an atlas mesh, both with more than 160 k nodes requires less than 5 min when warping the atlas and less than 3 min when warping the subject on a Xeon 3.2 GHz single processor machine. This is comparable to the fastest nondiffeomorphic landmark-free surface registration algorithms. Furthermore, the accuracy of our method compares favorably to the popular FreeSurfer registration algorithm. We validate the technique in two different applications that use registration to transfer segmentation labels onto a new image (1) parcellation of in vivo cortical surfaces and (2) Brodmann area localization in ex vivo cortical surfaces.
Date issued
2010-03Department
Harvard University--MIT Division of Health Sciences and Technology; Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory; Massachusetts Institute of Technology. Department of Electrical Engineering and Computer ScienceJournal
IEEE transactions on medical imaging
Publisher
Institute of Electrical and Electronics Engineers
Citation
Yeo, B.T.T. et al. “Spherical Demons: Fast Diffeomorphic Landmark-Free Surface Registration.” Medical Imaging, IEEE Transactions on 29.3 (2010): 650-668. © 2010, IEEE
Version: Final published version
Other identifiers
INSPEC Accession Number: 11152914
ISSN
0278-0062
Keywords
Cortical registration, Demons, Diffeomorphism, Spherical registration, Surface registration, Vector field interpolation