Contributions to 3D Diffeomorphic Atlas Estimation: Application to Brain Images

  title={Contributions to 3D Diffeomorphic Atlas Estimation: Application to Brain Images},
  author={Mat{\'i}as N. Bossa and Monica Hernandez and Salvador Olmos},
  journal={Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention},
  volume={10 Pt 1},
This paper focuses on the estimation of statistical atlases of 3D images by means of diffeomorphic transformations. Within a Log-Euclidean framework, the exponential and logarithm maps of diffeomorphisms need to be computed. In this framework, the Inverse Scaling and Squaring (ISS) method has been recently extended for the computation of the logarithm map, which is one of the most time demanding stages. In this work we propose to apply the Baker-Campbell-Hausdorff (BCH) formula instead. In a 3D… CONTINUE READING


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