DTI registration with exact finite-strain differential

@article{Yeo2008DTIRW,
  title={DTI registration with exact finite-strain differential},
  author={B. T. Thomas Yeo and Tom Vercauteren and Pierre Fillard and Xavier Pennec and Polina Golland and Nicholas Ayache and Olivier Clatz},
  journal={2008 5th IEEE International Symposium on Biomedical Imaging: From Nano to Macro},
  year={2008},
  pages={700-703}
}
We propose an algorithm for the diffeomorphic registration of diffusion tensor images (DTI). Previous DTI registration algorithms using full tensor information suffer from difficulties in computing the differential of the Finite Strain tensor reorientation strategy. We borrow results from computer vision to derive an analytical gradient of the objective function. By leveraging on the closed-form gradient and the one-parameter subgroups of diffeomorphisms, the resulting registration algorithm is… CONTINUE READING

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